CN105917645A

CN105917645A - Synchronized media servers and projectors

Info

Publication number: CN105917645A
Application number: CN201580004227.6A
Authority: CN
Inventors: 迭戈·德伊威约恩克; 杰尔姆·德尔沃; 亚历山大·威廉·戈克; 伊曼纽尔·卡彭; 斯科特·施特伦普
Original assignee: Barco Inc
Current assignee: Barco Inc
Priority date: 2014-10-28
Filing date: 2015-09-29
Publication date: 2016-08-31
Also published as: EP3213505A4; KR20170088357A; WO2016069175A1; EP3213505A1

Abstract

An immersive display system is disclosed. The immersive display system includes a master projector system and a plurality of slave projector systems. The master projector system synchronizes the display of a video with the plurality of slave projector systems using a synchronization signal. The synchronization signal is sequentially transmitted from the master projector system to each of the slave projector systems, wherein the projector systems are serially connected to one another. Sub-frame video synchronization is achieved by using the sequentially chained projector systems.

Description

Synchronous mode media server and projector

Cross-reference to related applications

This application claims in the entitled " Synchronized that on October 28th, 2014 submits to Media Servers and Projectors (synchronous mode media server and projector) " U.S. State's provisional application No.62/069, the benefit of priority of 720, entire contents is incorporated in by quoting This.

Technical field

The disclosure relates generally to provide the distributed throwing of the synchronization video projected on multiple screen Shadow instrument system.

Background technology

Digital cinema server and projector receive digital content to throw in theater or other places Shadow.Content can be packaged in one or more digital document for transmission and at media server Upper storage.Then, media server can extract in numeral from these one or more digital documents Hold to use one or more projectors to show.In some cases, content can be projection 3D video on screen, in this 3D video, projects slightly different vision content, for seeing Right eye and the left eye of the person of seeing are observed simultaneously, to create depth illusion.Many optical projection systems may be used for Video is shown on multiple screens by the place of such as theater or auditorium etc, in order to beholder Immersion experience.

Summary of the invention

Example embodiment described herein has the feature of innovation, and the most single feature is not not That can lack or be not the expectation attribute being responsible for them by oneself.It is being not intended to the model of claim On the premise of enclosing, some favorable characteristics be will be summarized now.

A kind of immersion display system can include what the immersion being arranged to provide video was watched Multiple optical projection systems.This immersion display system can include multiple projections of respective projection video Instrument system, wherein, synchronized with each other from the frame of video of each video.Each projecting apparatus system is permissible It is configured to its video-projection to being positioned in the projection surface around spectators.By this way, see Crowd can experience the sensation being immersed in the environment that video is described.Carried by the plurality of projecting apparatus system The synchronization video of confession can be projected in multiple projection surface, creates unified video and presents.At least portion Divide ground owing to video is presented simultaneously to beholder, this immersion display system energy from multiple directions The actualistic audiovisual that enough generations have relative high levels presents.

Generally, cinema provides the single screen for watching project video content.Video content can To store in a digital manner on a media server as the bag of digital document, media server is to it It is decoded being supplied to projector.But, this single-screen projecting apparatus system is not configured as carrying For multi views content (such as, being designed to project to the Media Stream on multiple screen).By multiple This single-screen projecting apparatus system be combined realizing multi views content present create immersion There is multinomial challenge in display system.Such as, in order to provide immersion audio visual environment, important is permissible It it is the problem that the immersion Quality of experience that may destroy beholder is reduced or eliminated.Specifically, if Video from different projectors is not synchronized, then beholder may become disorientation, divert attention, Or may otherwise lose the sensation immersed in the environment.Single-screen projecting apparatus system is entered Row combination can cause video synchronization problems, this is because this projecting apparatus system possibly cannot be joined It is set to and other projecting apparatus system synchronization videos.Therefore, attempt changing single-screen projecting apparatus system The video losing synchronization on different screen, fall can be caused for the part of immersion display system The enjoyment of low beholder and satisfaction.

Therefore, system for from multiple projecting apparatus systems provide synchronized media streams is provided herein And method.Specifically, main projection engine system can be based at least partially on and be carried by main projection engine system The Media Stream of confession produces synchronizing signal, and sends synchronization letter to multiple subordinate projecting apparatus systems order Number the chain of projecting apparatus system (such as, create).Continue, chain receives the every of synchronizing signal Individual subordinate projecting apparatus system can: (1) passes the signal along to follow-up subordinate projecting apparatus system, (2) Process synchronizing signal to determine when frame of display video so that it is same with the video of main projection engine system Step.Therefore, projecting apparatus system can be linked in sequence or link together, to synchronize each projector The Media Stream of system, this synchronizing signal is provided by main projection engine system.

In some embodiments, immersion display system includes having at least 3 order links At least 3 screens of projecting apparatus system.Digital media content can be downloaded to each projector system System, projecting apparatus system includes media server and projector, and wherein, media server drives projection Instrument.Main projection engine system creation also sends synchronizing signal, to realize all projecting apparatus systems to video The synchronized projection with subframe degree of accuracy of content.Synchronizing signal is at the projector of at least 3 links Sequentially transmit between system.

Advantageously, (such as, the projecting apparatus system of order link can utilize simple wired connection Coaxial cable between projecting apparatus system) send according to the standard time code used in media environment The synchronizing signal derived.The projecting apparatus system of use order link can also simplify synchronizing signal Produce and send.Such as, relative to the immersion display system of employing parallel join architecture, Design connected in series can be reduced or eliminated the needs amplifying signal.Similarly, relative to employing The immersion display system of parallel join architecture, design connected in series is reduced or eliminated central authorities Dissemination system is to the needs of each projecting apparatus system distribution synchronizing signal.Additionally, design connected in series Achieve the motility of projecting apparatus system quantity in immersion display system, this is because add another Projecting apparatus system has only to add another link in projecting apparatus system chain.This can provide and be better than also Row connects the advantage of design, connects this is because used up available physical when synchronizing signal dissemination system During point, parallel system can reach the maximum quantity of projecting apparatus system.Design connected in series also may be used To cause the relatively small delay between projecting apparatus system.Synchronizing signal can also realize having not The synchronization of the video of same frame per second, the ratio of width to height, codec etc., this is at least partially due to synchronize Signal is independent of these parameters.Such as, main projection engine system can be based at least partially on from it The signal of frame buffer produces synchronizing signal, and subordinate projecting apparatus system can be at least in part Export based on the signal regulating its frame buffer according to the information in synchronizing signal and synchronize its video.

In some embodiments, multi views content can be packaged with by media server number Word transmission and picked-up, wherein, this bag include will by corresponding multiple projecting apparatus systems show multiple Video channel.In certain embodiments, each video channel can be packed with conformance with standard digital content Form (standard such as, Digital Cinema Initiatives Co., Ltd (i.e. DCI) arranged). Main projection engine system including master server can absorb bag, extracts digital document, and to it He distributes video channel by subordinate projecting apparatus system.In certain embodiments, main projection engine system is permissible Video data is optionally distributed to the projecting apparatus system being intended to playing video data.Implement at some In example, each projecting apparatus system in immersion display system absorbs whole bag, and is configured to really Surely the suitable video channel decoding and showing.In certain embodiments, master server is configured to Automatically determine suitable subordinate projecting apparatus system for each video channel in bag, and throw to this subordinate Shadow instrument system send video channel data, wherein, this transmission can occur multi views content in Before now, during playing back, wherein, subordinate projecting apparatus system buffered video channel data, or Video channel data are transmitted in real time and are shown.

In certain embodiments, main projection engine system includes itself and subordinate projecting apparatus system are carried out district The hardware divided and/or component software.Such as, subordinate projecting apparatus system can include synchronization module or card, It allows subordinate projecting apparatus system to be based at least partially on the synchronizing signal general being derived from main projection engine system Video presents and carries out frame lock.In certain embodiments, main projection engine system and subordinate projector system System comprises identical hardware and/or component software, but main projection engine system is configured to act as main setting Standby, and other projecting apparatus systems are configured to act as slave.In certain embodiments, projection Instrument system includes being integrated into the media server in single physical unit and projector.Implement at some In example, projecting apparatus system include being physically separated and (such as, by wired or wireless connection) with Media server that the mode that can communicate is coupled to each other and projector.

Accompanying drawing explanation

For purpose of explanation, depict various embodiment in the accompanying drawings, and should be not by any way Various embodiments are construed as limiting the scope of the invention.Furthermore it is possible to the difference disclosed in Zu He The various features of embodiment are to form the additional embodiment as a part of this disclosure.Can remove Or omit any feature or structure.Run through accompanying drawing, reference can be reused to indicate reference Correspondence between key element.

Fig. 1 shows for providing the immersion example immersion display system that display is experienced.

Fig. 2 shows that picked-up digital content is to carry out the multiple Exemplary projection instrument systems shown.

Fig. 3 shows multiple Exemplary projection instrument systems of display synchronization video.

Fig. 4 shows the block diagram of example media server system.

Fig. 5 shows that slave media server receives synchronizing signal next slave media in chain Server sends synchronizing signal.

Fig. 6 shows and is configured to allow projecting apparatus system upgrade to from single-screen projecting apparatus system can Example media server module using the projecting apparatus system of the part as immersion display system.

Fig. 7 shows that in the media server connected in series in immersion display system, synchronization is many The flow chart of the exemplary method of individual Media Stream.

Fig. 8 shows that subordinate is regarded by the synchronizing signal being based at least partially on self-contained projector system Frequency carries out the flow chart of synchronize exemplary method with main video.

Fig. 9 shows for utilizing the control between projecting apparatus system to connect and connected by projecting apparatus system Receive the content line of server to provide the immersion example immersion display system that display is experienced.

Detailed description of the invention

Although there is disclosed herein some embodiment and example, but subject matter exceedes concrete open Embodiment, extend to other alternatives of the present invention and/or application and amendment thereof and equivalent. Therefore, scope of the following claims is not limited to any specific embodiment hereinafter described herein.Example As, in any method disclosed herein or process, the method or the action of process or operation can To perform with any proper order, and it is not necessarily limited to any specifically disclosed order.Having Help understand the mode of specific embodiment, various operations can be described as multiple discrete operations successively； But, the serial interpretation of description should not depended on order for these operations of hint.Additionally, originally Structure described in literary composition can be presented as the assembly of integrated assembly or separation.In order to by various realities Execute example to compare, describe some aspect and the advantage of these embodiments.Any specific embodiment All these aspect or advantage need not be realized.It is therefoie, for example, to realize or institute herein can be optimized One advantage of teaching or the mode of advantage group realize various embodiment, the most same without realizing Other aspects that are that sample is instructed or that advise or advantage.

Immersion display system

Fig. 1 shows the example immersion display system including multiple projector 200a～c 100, multiple projector 200a～c be configured to project image onto on corresponding screen 105a～c with Immersion display is provided to experience.Immersion display system 100 can include (such as, but not limited to): Multiple direct viewing type display, multiple rear projection display and/or multiple front projection display, such as shield Curtain 105a～c.Gap can be there is between adjacent displays.Such as, screen 105a～c is permissible There is gap the most between which.In certain embodiments, gap can be relatively small, Close to zero, or it is zero.Immersion display system 100 can include the aobvious of multiple smooth or bending Show device or screen, or it can include single curved displays or screen.Screen can be relative to Rotate each other.Screen 105a～c can also relative to each other have respective gradient.Immersion Screen 105a～c of display system 100 can include flat screen, curved screens or the group of the two Close.

Example immersion display system 100 includes three plane front projection screens, wherein, Mei Geping Image on curtain is provided by projecting apparatus system.Projecting apparatus system 200a is configured to arrive video-projection On screen 105a, projecting apparatus system 200b is configured in video-projection to screen 105b, and Projecting apparatus system 200c is configured in video-projection to screen 105c.Audio system can be pacified It is contained in after screen 105a, screen 105b and/or screen 105c.

The light occurred from projecting apparatus system 200a～c can each have different spectrum.This can make Aberration between the image provided by these projecting apparatus systems is provided.These aberration can be electronically Compensate.Use is disclosed in the open No.2007/0127121 of United States Patent (USP) of B.Maximus et al. In the exemplary method of the aberration compensated between two projectors, this United States Patent (USP) is open by having quoted It is herein incorporated wholely.The spectrum of projecting apparatus system 200a～c can be configured to such as mend at electronics Repay and utilize the colour gamut according to Rec.709 or DCI P3 to carry out projection of color images afterwards.

Projecting apparatus system 200a～c represents and is configured in video-projection to screen 150a～c Equipment.These projecting apparatus systems 200a～c can include media server and projector.At some In embodiment, media server is physically separate from projector, and (such as, by wired or Wireless connections) so that projector can be coupled in the way of communicating.In certain embodiments, projector System includes integrated media server and projector.The media server part of projecting apparatus system can To include the hardware and software component being configured to receive, store and decode media content.Media take Business device can include being configured to perform the following hardware and software operated: picked-up (ingest) and Decoding digital content file, produces Media Stream (such as, video and audio frequency), sends to projector View data.Media server can include the module for carrying out following operation: in picked-up numeral Hold, the content that decoding is absorbed, produce video according to decoded content, according to decoded Content produces audio frequency, it is provided that for accessing the security credence of secure content, and produces or explains Synchronizing signal of presenting etc. is synchronized for providing.Projector can include light engine, modulation element Part, optics etc. are so that projector can produce, modulate and projection picture.Such as, projection Instrument can use cathode ray tube (CRT), liquid crystal display (LCD), digital light process (DLP), DMD (DMD) etc. realizes.

Projecting apparatus system 200a～c can be configured to supply has meet in multiple standard any The ratio of width to height of one standard and the video of resolution, the plurality of standard include (such as, but not limited to): 4K (such as, 3636 × 2664,3996 × 2160,3840 × 2160,4096 × 2160 etc.), 2K (such as, 1828 × 1332,1998 × 1080), HD (such as, 1920 × 1080,1280 × 720) Deng.Projecting apparatus system 200a～c can be configured to supply the video with various frame per second, and this is each Kind of frame per second include (such as, but not limited to): 24fps, 30fps, 60fps, 120fps Deng.Projecting apparatus system 200a～c can be configured to 3D content (such as, the stereopsis that will synchronize Frequently) display is on two or more screens.

As it is shown in figure 1, projecting apparatus system 200a can be configured to main projection engine system.Such as this Using in literary composition, main projection engine system or main media server provide synchronizing signal, subordinate projector System outputs it synchronize with this synchronizing signal.Main projection engine system 200a is in immersion display system Absorb, decode and/or provide main audiovisual to present in 100.Projecting apparatus system 200b and 200c is Subordinate projecting apparatus system.As used in this article, subordinate projecting apparatus system or slave media server The image being synchronized to main system is provided, wherein, is synchronized to be at least partly based on by main projection engine system The synchronizing signal provided.Subordinate projecting apparatus system can be provided in outside the video provided by main system Enclose, projection neighbouring, neighbouring and/or otherwise supplement video.

Main projection engine system 200a connects 130a to the first subordinate projecting apparatus system (example by cable As, projecting apparatus system 200b) send synchronizing signal, afterwards, the first subordinate projecting apparatus system passes through Cable connects 130b and sends to the second subordinate projecting apparatus system (such as, projecting apparatus system 200c) Identical synchronizing signal.Synchronizing signal is identical for all projecting apparatus systems or is substantially the same, To realize global synchronization video in immersion display system.Therefore, at least partially due to project Instrument system 200a～c carrys out projection video based on synchronizing signal, provides and synchronize on screen 150a～c Video presents.As used in this article, synchronization video includes the video from different projecting apparatus systems, This video has the respective frame each other of display in sufficiently small time window, with essentially simultaneously Display.In certain embodiments, synchronization video includes following video, and wherein respective frame is shown as Make time between the display of synchronization frame less than or equal to about 1ms, less than or equal to about 500 μ s, less than or equal to about 350 μ s, less than or equal to about 250 μ s, or are less than Or equal to about 200 μ s.This synchronization can be referred to as having subframe degree of accuracy in it synchronizes. Such as, for the video that frame per second is 30fps (or 60fps), each frame of video is shown big About 33.3ms (or 16.7ms).The video synchronized in the part of the time of frame of display video It may be said that have subframe degree of accuracy.Such as, subframe degree of accuracy can include having between respective frame with The synchronization of lower delay: this delay, less than about the 10% of frame per second, less than about the 5% of frame per second, is less than About the 1% of frame per second, or less than about the 0.1% of frame per second.

In certain embodiments, main projection engine system 200a can control video in units of frame Display, and use and synchronize from projecting apparatus system 200b and 200c for the timing code of each frame Frame of video, this timing code is by entrained by synchronizing signal, herein in reference to Fig. 4 to this in more detail Describe.Therefore, projecting apparatus system 200a～c can be based at least partially in synchronizing signal for The timing code of each frame carrys out the video to screen 150a～c of synchronized projection exactly.

As example, immersion display system 100 can include being configured at the cinema play DCI compatibility projecting apparatus system 200a～c of DCI compatible content.DCI compatible content can include matchmaker Body stream (video data such as, extracted from digital content or video and voice data).One In a little embodiments, such as, Media Stream be provided for being distributed to cinema include compression, That encrypt and packing data are at interior digital movie bag (" DCP ").Data can include numeral Film distributor mother matrix (" DCDM "), it include being mapped to document format data picture structure, Audio frequency structure, captions structure etc..Data can include constituting the image-element that in DCP, audiovisual presents File (picture essencefile) and audio essence file (audio essence file). DCP can include following synthesis (composition), this synthesis include to positive (feature), The single numeral of trailer, advertisement, mark etc. presents required all key elements (essence) and unit Data.Projecting apparatus system 200a～c can be configured to absorb DCP and produce DCDM visually The copy being difficult to differentiate between, then use this copy of DCDM to produce image and sound with to spectators in Existing.

Fig. 1 shows 3 projecting apparatus system 200a～c and 3 screens.But, immersion Display system can include projecting apparatus system and/or the screen of varying number.Such as, immersion shows System 100 can include 2,3,4,5,6,7,8,9,10 or be more than the projection of 10 Instrument system.Immersion display system 100 can include 2,3,4,5,6,7,8,9,10 Individual or more than the screen of 10.Immersion display system 100 is configured such that more than one Projecting apparatus system video is provided on single screen so that image is the most overlapping.Immersion shows System 100 is configured such that projecting apparatus system provides video on single screen, wherein, The most overlapping from the video of projecting apparatus system, adjacent one another are or closer to each other, to carry Present for the most unified video.

Exemplary projection instrument system

Fig. 2 shows that picked-up digital content 110 is to show in immersion display system 100 Multiple Exemplary projection instrument system 200a～d.Digital content 110 can be include content-data and Metadata is at the arbitrary collection of interior digital document, and this content-data and metadata constitute will be by sinking The synthesis of immersion display system 100 display.Net can be passed through by multiple projecting apparatus system 200a～d Network connects 150 and absorbs digital content 110.Media server 210a～d can be configured to from The digital content 110 of picked-up extracts suitable data file and suitable video content is solved Code is to send to homolographic projection instrument 220a～d.Main projection engine system 200a can produce synchronizing signal To be sent to the first subordinate projecting apparatus system 200b by cable 130 (such as, coaxial cable). Then, the first subordinate projecting apparatus system 200b can send to the second subordinate projecting apparatus system 200c Synchronizing signal, the second subordinate projecting apparatus system 200c can be to the 3rd subordinate projecting apparatus system afterwards 200d sends synchronizing signal, and the rest may be inferred.By this way, immersion display system 100 can To show synchronization video from multiple projecting apparatus systems.

In certain embodiments, main projection engine system and subordinate projecting apparatus system 200a～d can be by It is configured to only absorb the part being intended for this specific projection instrument system in digital content 110.Such as, Projecting apparatus system 200a～d can download in digital packets to comprise to be enough to provide and be intended for this specific throwing The data of the content of shadow instrument system are in interior part.In certain embodiments, main projection engine system 200a absorbs whole digital content 110, and distributes this numeral to subordinate projecting apparatus system 200b～d The copy of content 110.In some embodiments, after picked-up digital content 110, main throwing Shadow instrument system distributes a part for digital content 110 to each subordinate projecting apparatus system 200b～d, Wherein, the part sent to subordinate projecting apparatus system comprises and is sufficient so that this specific subordinate projector system System provides the data that its audiovisual presents.150 generations can be connected to digital content 110 by network Transmission, it 150 can be wired connection, wireless connections or wired connection and nothing that this network connects Line connects the combination of both.

Main projection engine system 200a can connect 150 to subordinate projecting apparatus system by network 200b～d sends the copy of digital content 110 or the copy of a part for digital content 110.? In this case, presented by buffered data in each subordinate projecting apparatus system 200b～d During the synthesis comprised in digital content 110, and/or during presenting this synthesis in real time, principal view Instrument system 200a can send presenting forward direction subordinate projecting apparatus system 200b～d comprising this synthesis Digital content 110.In some embodiments, main projection engine system 200a can project to subordinate Instrument system 200b～d sends information, each subordinate projector in this information designation number content 110 Which part is system should absorb.It is based at least partially on this information, each subordinate projecting apparatus system 200b, 200c, 200d can absorb a part for digital content 110.

Digital content 110 and projecting apparatus system 200a～d can be configured to comply with digital movie mark Standard, describes document format data, hardware capabilities, safety criterion etc. the most among other things Digital movie system specification (" DCSS ").This specification such as DCSS etc can allow various Different content production sides, different distributor work to produce to spectators together with the different sides of presenting Life, distribution and display digit content, such as film.Afterwards, the numeral of such as film etc is presented The cinema of content and other this places can be invested and can be shown the numeral packed according to this specification The system of content.

Digital content 110 can include the data meeting single specification.Such as, digital content 110 Can be digital movie bag (" DCP ").In certain embodiments, the standard associated with DCP can To expand to include multi views content (video such as, being simultaneously displayed on multiple screen). DCP can include data (such as, the sound of each screen in immersion display system 100 Frequently, video and metadata).In certain embodiments, DCP can be configured with for The composition playlist (" CPL ") of each screen in immersion display system 100.At some In embodiment, digital content 110 includes each screen in immersion display system 100 DCP.It is based at least partially in digital content 110 DCP and/or CPL comprised, each projection Instrument system 200a～d can realize intelligence capture functions, and this intelligence capture functions is by digital content 110 Picked-up be restricted in digital content 110 for its expection screen relevant portion.Implement at some In mode, immersion display system 100 is from the projection for adapting to curved screens mixed Instrument system 200a～d shows DCP content.

Digital content 110 can include the data meeting multiple specification.Such as, digital content 110 A part can be DCP, and other parts can include the data that meet another specification.Similar Ground, digital content 110 can include the data of compliant and not meet the data of specification.Example As, a part for digital content 110 can be DCP, and other parts can include non-DCP number According to.

When digital content 110 meets single specification, multiple specification or single specification and unconventional During combination, system and method described herein can advantageously allow for from multiple projecting apparatus systems The synchronization of video.This advantage is at least partially due to main projection engine system 200a is in decoding video Produce synchronizing signal after appearance and be implemented.Main projection engine system 200a can produce independent of numeral The reasonable time line of content 110 form and metadata, and this information is encoded in synchronizing signal. In certain embodiments, can complete to synchronize (such as, synchronization based on line) between frame of video. Such as, before the modulation portion (such as, dmd chip) of projector, main projection engine system 200a Synchronizing signal can be produced after the frame Buffer output in projector.Each subordinate projector 200b～d can receive synchronizing signal, and controls based on the timeline in this signal and metadata Its display to video.Such as, subordinate projecting apparatus system 200b～d can with main projection engine system On the hardware-level that system 200a is similar, synchronizing signal is carried out frame lock (such as, frame buffer it Rear and before modulation chip).Therefore, in certain embodiments, projecting apparatus system 200a～ D can synchronize based on frame, and content carries out frame lock, and wherein, frame by frame link is fixed Time.Therefore, immersion display system 100 can by synchronized with each other for projecting apparatus system 200a～d, To have the content playback of subframe degree of accuracy, wherein, each server has different DCP, list Different CPL and/or DCP in individual DCP and non-DCP content.

Immersion display system 100 can also synchronize have different the ratio of width to height, different content form (example As, JPEG2000, MPEG4 etc.) and/or the video of different frame per second.Such as, side screen is permissible There is the frame per second higher than the frame per second of main screen, or vice versa.In certain embodiments, not It is multiple (such as, 30fps and 60fps) each other with frame per second, is the multiple (example of public frame per second As, 24fps and 60fps is the multiple of 12) in the case of, or the number in synchronizing signal In the case of allowing to synchronize with different frame per second according to rate, (such as, the fundamental frequency in synchronizing signal is can In the case of the multiple of energy frame per second), the synchronization to different frame per second can occur.Immersion display is System 100 can also synchronize three-dimensional video-frequency, non-cubic video or the combination of both.

In certain embodiments, immersion product show system 100 can show and be synchronized to (such as, by Main projection engine system 200a provide) DCP content (such as, by subordinate projecting apparatus system 200b, 200c and/or 200d provides) non-DCP content.By dynamic content (such as, this can allow From the summary of social media, advertisement, news recap etc.) present (such as, just together with main video Sheet) show together.In certain embodiments, in subordinate projecting apparatus system 200b～d or Multiple offers are superimposed upon the dynamic synchronizing content on main screen or side screen.

In certain embodiments, main projection engine system 200a provides on the home screen from DCP's Content, and at least 2 subordinates projecting apparatus system 200b, 200c provide from non-on the screen of side The content in DC source.In certain embodiments, main projection engine system 200a and subordinate projecting apparatus system 200b～d provides the captions synchronized across multiple screens.Such as, different captions may be displayed on On different screens.In some embodiments, captions are parts for content bag.Real at some Execute in mode, captions can never homology obtain and can with audio video synchronization show at one or On multiple screens.In certain embodiments, in subordinate projecting apparatus system 200b～d or many Individual being configured on the screen of side provides video on the home screen with by main projection engine system 200a Synchronously show news recap (such as, rich site summary or RSS feeds).Such as, main throwing Shadow instrument system 200a can show that synthesis (such as, has JPEG2000 form on the home screen Positive), and at least one subordinate projecting apparatus system 200b～d can synthesis on superposition to RSS Summary (such as, comes freelyThe summary of social networking website) scene present.? In some embodiments, projecting apparatus system 200a～d can utilize and existing be display configured to captions Hardware and software show content of text additionally or alternatively.

In certain embodiments, one or more in media server 210a～d can be closed with it Projector 220a～d of connection is physically separated.In this case, as described herein, synchronize Signal can be produced by main media server 210a before frame Buffer output.Similarly, subordinate matchmaker Body server 210b～d can synchronization video output before its frame Buffer output.

Main projection engine system 200a and subordinate projecting apparatus system 200b～d can be substantially the same Equipment.In some embodiments, equipment can be configured to undertake leading role's normal complexion subordinate angle by user Color.In some embodiments, equipment the content absorbed at least partially determines projecting apparatus system Role's (such as, main or subordinate).Therefore immersion display system 100 can be configured to not Including any specific master server controlling subordinate projecting apparatus system.

Main projection engine system 200a can include carrying out it with subordinate projecting apparatus system 200b～d The hardware distinguished and/or component software.Such as, main projection engine system 200a can include being exclusively used in Produce hardware and/or the software of synchronizing signal.Similarly, subordinate projecting apparatus system 200b～d is permissible Including being exclusively used in hardware and/or the software carrying out synchronization video output based on synchronizing signal.

Immersion display system 100 can carry out operating (such as, movie theatre pipe in automated system Reason system (i.e. " TMS ") and/or screen management system (i.e. " SMS ")).In TMS, Such as, immersion display system 100 can be considered single entity.This can allow existing TMS Relatively easily from the single-screen optical projection system that exclusive formula operates, operation is expanded to comprise immersion show Show system 100.

The projecting apparatus system of example sequence link

Fig. 3 shows the multiple Exemplary projection instrument systems showing synchronization video on multiple screens 200a～c.Projecting apparatus system 200a～c utilizes cable 130a and 130b connected in series synchronizing Signal from main projection engine system 200a be relayed to the first subordinate projecting apparatus system 200b again to second from Belong to projecting apparatus system 200c.By the communication of cable 130a, 130b be enough to use subframe degree of accuracy The data transfer rate carrying out the video between synchronized projection instrument system 200a～c occurs in real time.

Illustratively non-restrictive example, each projecting apparatus system 200a～c can have at it The single DCP of upper storage.Main projection engine system 200a can extract video from its DCP, and extremely It is at least partly based on video to produce synchronizing signal.Video can be shown by main projection engine system 200a On the home screen.Main projection engine system 200a can be projected to the first subordinate by the first coaxial cable Instrument system 200b sends synchronizing signal.First subordinate projecting apparatus system 200b can be from its DCP Extract video, and use synchronizing signal will video to be presented and main projection engine on the first side screen Video is presented and synchronizes by system 200a.With process synchronizing signal concurrently, the first subordinate is thrown Shadow instrument system 200b can also be turned to the second subordinate projecting apparatus system 200c by the second coaxial cable Send out synchronizing signal.Second subordinate projecting apparatus system 200c can extract video from its DCP, and makes Video will be presented with main projection engine system 200a regarding on the second side screen by synchronizing signal Presenting of frequency synchronizes.

Projecting apparatus system 200a～c can also be via network connection 150 coupling in the way of can communicating Closing, it can be wired (such as, using Ethernet to connect), wireless (example that network connects 150 As, use the WAP of such as IEEE 802.11n etc) or both combination.? In some embodiments, the communication being connected 150 by network need not support real-time Communication for Power.At certain In a little embodiments, 150 can be connected by network and project to subordinate from main projection engine system 200a One or more transmission videos in instrument system 200b, 200c.Before presenting video or just When presenting video (such as, use buffer system or in real time), video can be sent.At certain In a little embodiments, each projecting apparatus system 200a～c uses network to connect 150 and absorbs and to show The content shown.It is to be understood that subordinate projecting apparatus system 200b, 200c can connect not having network 150 existence or network connect 150 situations being connected in projecting apparatus system 200a～c a part Lower Tong Bu with main projection engine system 200a.Such as, one or more projecting apparatus system 200a～c Can be used for from computer-readable recording medium (such as, Blu-ray disc, usb driver etc.) picked-up The content presented, and this content can utilize cable 130a, 130b with by projection connected in series The content synchronization that instrument system 200a～c provides.

Main projection engine system 200a be based at least partially on its content provided (such as, depending on Frequency and/or audio frequency) produce synchronizing signal, with by cable 130a to the first subordinate projector system System 200b provides.Synchronizing signal can be time encoding so that the first subordinate projecting apparatus system Its video frequency output can be carried out synchronize with the output of main projection engine system 200a by 200b.Can lead to Cross and in chain, add another link additional subordinate projecting apparatus system is added to the chain of projecting apparatus system. For example, it is possible to by utilizing cable 130b that the second subordinate projecting apparatus system 200c is connected to first Subordinate projecting apparatus system 200b adds the second subordinate projecting apparatus system 200c.Then, first from Belong to synchronizing signal that it can receive from main projection engine system 200a by projecting apparatus system 200b to Second subordinate projecting apparatus system 200c propagates.Add more subordinate projecting apparatus system and follow same Pattern.Add subordinate projecting apparatus system, and this subordinate projecting apparatus system with before subordinate throw Connect cable between shadow instrument system so that subordinate projecting apparatus system before can to newly added from Belong to projecting apparatus system and propagate synchronizing signal.

The sum of projecting apparatus system 200 can be based at least partially on desired use and change.Projection The maximum quantity of instrument system 200 can be based at least partially on acceptable synchronization degree of accuracy.Each Additional projection instrument system adds the bulk delay in system, potentially reduces synchronization degree of accuracy. As used in this article, the delay of system can send synchronizing signal with main projection engine system 200a Last subordinate projecting apparatus system in time and chain receives the time between the time of synchronizing signal Relevant.System postpone can also and in main projection engine system 200a the time of frame of display video with Time difference phase between the time showing corresponding video frame in subordinate projecting apparatus system 200b, 200c Close.System postpone can also and in theory should frame of display video time with actually show regard Frequently the time difference between the time of frame is correlated with.

In certain embodiments, acceptable synchronization degree of accuracy can be measured as in main video continuously Mark (the frame of the video such as, main projection engine system 200a provided of the time between frame of video The display time), wherein, acceptable degree of accuracy can less than or equal to the frame display time about 10%, less than or equal to about the 5% of the frame display time, less than or equal to the frame display time about 1%, less than or equal to about the 0.1% of the frame display time, or less than or equal to the frame display time About 0.01%.In certain embodiments, acceptable synchronization degree of accuracy can be come in seconds Measuring, wherein, acceptable degree of accuracy can be less than or equal to about 1ms, less than or equal to big About 500 μ s, less than or equal to about 350 μ s, less than or equal to about 250 μ s, less than or Equal to about 200 μ s, less than or equal to about 100 μ s, or less than or equal to about 50 μ s. In some embodiments, the sum of system be (such as, but not limited to): 3 systems, 4 Individual system, 5 systems, 6 systems, 7 systems, 8 systems, 9 systems, 10 be System, 15 systems, 20 systems, at least 10 systems or 3 systems and 10 systems it Between.

Synchronizing signal can be configured to waveform, and this waveform (such as, can use digital method) By data encoding to wherein.Such as, synchronizing signal can include being defined as being respectively provided with 64 bit letters The word of breath.Each word can include synchronizing information (such as, timing code) and/or additional information, than Such as the order for subordinate projecting apparatus system.In certain embodiments, the data transfer rate of synchronizing signal can To be about 2Mbps.If each word in signal is 64 bits, then execute due to synchronizing signal The constraint added and the delay caused is that (the 2Mbps/64 bit of each word is about to about 32 μ s 31,250 words/second).Other data transfer rates and/or word size are possible, and this will result in different meters Calculate and measure and postpone.

Synchronizing signal can also include being intended for one or more subordinate projecting apparatus system 200b, The order of 200c.150 can also be connected to subordinate projecting apparatus system 200b, 200c by network Send order.The order being encoded in synchronizing signal can be to be intended for performing in real time or close to real The order of Shi Zhihang.Such as, the order sent by synchronizing signal can be included at least partly (such as, ground change the order of screen color space, side, brightness etc. based on the metadata in content If the image on the screen of side is bright, then the order in synchronizing signal can be with offside screen prjection Instrument output gives the weighting of less light, to reduce the effect to the content projected on main screen). The order being connected 150 transmissions by network can be to be intended for close to performing in real time or postponing to perform Order.For example, it is possible to by network connect 150 transmissions be used for opening or closing dark slide or The order of loading content.

In certain embodiments, by utilizing synchronizing signal to carry out indication lag, permissible between screen There is the content delay being independently arranged.Such as, synchronizing signal can include that timeline adjusts, this time Top-stitching adjusts and provides the ability adjusting each video shown by each projecting apparatus system.At some In embodiment, if the one or more stoppings in subordinate projecting apparatus system 200b, 200c show regard Frequently content (such as, due to fault), then main projection engine system 200a can be configured to continue to show Show video.

Carry out synchronized projection instrument system with respect to parallel join, projecting apparatus system 200a～c is gone here and there Row carries out daisy chaining (Daisy-chaining) together and provides multiple advantage.Such as, Projecting apparatus system 200a～c carries out daisy chaining allows immersion display system to avoid outside use Portion synchronizes or signal amplifying apparatus.As another example, projecting apparatus system 200a～c can use From the simple wiring (such as, coaxial cable or BNC cable) of a projector to next projector And link together.This connected in series can cause relatively small delay.Can by amendment or The existing simultaneous techniques that employing can be used by coaxial cable or other analogous cables is (such as, Linear time code (" LTC ") or AES3 signal (such as, meet IEC 60958 standard Signal)) realize synchronizing signal, thus reduce in existing projector or other display systems real Execute the potential obstacle of this technology.

Example media server

Fig. 4 shows the block diagram of example media server system 210.Media server system 210 Can be main media server or slave media server.Media server system 210 can be joined It is set to produce synchronizing signal (such as, when it is main media server system), sends and synchronize letter (such as, number (such as, by the synchronization link of such as coaxial cable etc), receive synchronizing signal When it is slave media server system), be based at least partially on synchronizing signal by video in Now synchronize, connected by network to send and communicate with receiving, process digital document and regard to produce Frequently, it is provided that security credence is to extract video etc..Media server system 210 can include being enough to Complete the hardware and software of function described herein.

Media server system 210 includes the controller 201 of such as computer processor etc and all Data storage 202 such as non-transitory computer storage.Controller 201 can be configured to Computing capability and guidance are provided and coordinate being enough to provide the target merit of media server system 210 Can be with the execution of the function of desired function.Data storage 202 may be used for storing digital document (example Such as, DCP), software, executable instruction, configuration setting, calibration information etc..In some embodiments In, media server 210 provides can connect the user interface accessed or control program by network, This user interface or control program allow user or other system to provide to media server system 210 Order, monitors the state of media server system, and/or to media server system 210 request letter Breath.In certain embodiments, user or other system can be with the main matchmakers in immersion display system Body server communication, to control all media servers in immersion display system.

Media server system 210 includes that communication module 203, communication module 203 are configured to lead to Cross network connection (network such as, described connects 150) herein in reference to Fig. 2 and Fig. 3 to locate Manage, send, receive, construct and/or explanation information.Such as, communication module 203 can be configured For picked-up digital content to be shown by the projector being associated.As described herein, communication mould Block 203 can be configured to perform intelligence capture functions, and wherein, picked-up is in the throwing being associated Show data necessary to content on shadow instrument, and do not absorb other data.Communication module 203 can To be configured to send the order to be performed by the media server connected.Such as, main media clothes Business device can order one or more slave media server by block (dowsing) shutter or its His similar functions controls the projecting apparatus system of its association.Communication module in subordinate projecting apparatus system 203 can be configured to receive and explain the order received from main projection engine system.

Media server system 210 includes that media module 204, media module 204 are configured to place Reason numerical data presents to produce video.Media module 204 can be configured to from such as DCP bag Etc reference format in extract the file of packing, and provide suitable signal to projector, Make projector display expection video.Such as, in order to show positive, media module 204 can be by Digital document decompresses, and identifies suitable play list file, enters the image-element file of association Row decoding, is decoded the audio essence file of association, and produces to projector transmission for aobvious The video signal shown.

Media server system 210 includes that security module 205, security module 205 are configured to carry For suitable security function to access secure digital file.Such as, DCP can be encrypted to prevent Unauthorized access.Security module 205 can provide suitable security credence and carry out digital document Deciphering so that media module 204 can access file.When the video produced by media module 204 Signal cable to be passed through is when projector sends, such as, when projector and media server system 210 When being physically separate from, security module can also provide security function.

Media server system 210 includes that synchronization module 206, synchronization module 206 are configured to produce Raw synchronizing signal (such as, when media server 210 is main projection engine system a part of), Send synchronizing signal (such as, pass through synchronizing cable), and/or process synchronizing signal (such as, when When media server 210 is subordinate projecting apparatus system a part of).Synchronization module 206 can be by It is configured to produce synchronizing signal.Synchronizing signal can independent of with synthesis (such as, video presents) The synchronizing information that theres is provided in relevant digital document and be generated.For example, it is possible at least part of ground In the video signal produced by media module to produce synchronizing signal.It is imported into throwing at video signal Before modulation chip in shadow instrument (or being parallel with), projector can be based at least partially on In the output of frame buffer produce synchronizing signal.

Synchronizing signal can be waveform, and this waveform has and is coded in information therein.This waveform can To utilize two-phase symbolic coding (" BMC ") to encode data (such as, at AES3 and S/PDIF Used in signal).The synchronizing signal utilizing BMC to encode can be insensitive to polarity, This can be favourable in the immersion display system have multiple projecting apparatus system.Can be by this ripple Shape is divided into word or bit group, and the specific location that information is coded in word.This waveform is permissible There is one or more encoded word.Sync waveform can be modified linear session code (" LTC ") or modified AES3 signal.Smpte time code data can be entered by this waveform Row coding, to realize subordinate projecting apparatus system is synchronized to main projection engine system.This waveform is all right To being addressed to or be intended for the order of one or more projecting apparatus system or other information (such as, Metadata) encode.

Illustratively non-restrictive example, synchronizing signal can include the word of two 64 bits. First character can include the frame number of 24 bits, effective status bit, channel status bit, user Data bit, Parity Check Bits (word such as, received for checking).Implement at some In mode, the effective edge in bits of user data is along can serve to indicate that main projection engine system will start Next frame.Second word can comprise by main projection engine system for the subordinate projector connected The imperative structures of system with commands.The additional data of such as metadata etc can be included in first In individual word or second word.Such as, second word can include from main projection engine system to being connected 24 bit instruction of subordinate projecting apparatus system.Metadata may be used for carrying to subordinate projecting apparatus system For information to revise its function.Such as, metadata can serve to indicate that main projection engine system halt. Then, subordinate projecting apparatus system can suspend its playback, until receiving instruction main projection engine system On the most recovered another signal of playback till.To standard signal (such as, synchronizing signal can be LTC or AES3 signal) amendment.This can allow existing projecting apparatus system, hardware and/or soft Part is incorporated to the element that be enough to be realized synchronizing signal by relative straightforward and easy way.

Synchronization module 206 can include for explain be encoded as synchronizing signal signal look-up table, Data structure, tables of data, database.Such as, synchronization module 206 can include order table, This order table is by order and the digital correlation being encoded in synchronizing signal.

Illustratively non-restrictive example, synchronizing signal can have the data of about 2Mbps Rate.When using 64 bit words to encode synchronizing signal, data transfer rate is about 32 μ s/ words. In the case of synchronizing signal includes two words, the time sending packet (such as, two words) is About 64 μ s.

Synchronization module 206 can be configured to be based at least partially on synchronizing signal to adjust frame of video Display.Such as, synchronization module 206 can wait and stay in the coupling frame id received in synchronizing signal. When receiving coupling frame id, synchronization module 206 may indicate that projector shows suitable frame of video.

In certain embodiments, synchronization module 206 is based at least partially on and is carried by media module 204 The audio frequency of confession produces synchronizing signal.Such as, sound can be produced by main projection engine system, and The timing of audio frequency can drive audio video synchronization chain.Audio frequency can be processed in real time by media module 204, And frame of video can specify in the sense that the quantity of the clock cycle relative to audio clock territory. This can realize the automatic alignment of Voice & Video during playing back.In certain embodiments, permissible During video blanking time slot (such as, use back-pressure (back-pressure) algorithm) perform right Continuous or the generally continuous adjustment of video playback.Therefore, main projection engine system can be broadcast in real time Playback frequency, and use media module 204 to show the video being synchronized to audio frequency.Main projection engine system Also provide synchronizing signal via synchronization module 206 to the subordinate projecting apparatus system connected.Then, Subordinate projecting apparatus system can be by their audio video synchronization to this synchronization provided by main projection engine system Signal, so that their video and main audio video synchronization are without being synchronized to their audio frequency.

Slave media server sync

Fig. 5 shows that slave media server 210 receives synchronizing signal at the first adapter 502 And send synchronizing signal from adapter 504 to next the slave media server chain.First connects Device 502 and the second adapter 504 can be to synchronize input letter for the most normally used Number and the AN connector that used of synchronization output signal, such as bnc connector.

When receiving synchronizing signal at adapter 502, slave media server 210 can use Active electronic device 505 by this signal from receive (Rx) port cycle to transmission (Tx) port. In certain embodiments, active electronic device includes amplifier.In certain embodiments, active electrical Sub-device 505 is configured to reduce to synchronizing to introduce in chain delay.

Slave media server 210 synchronizing signal can also be directed to synchronization module carry out process and Utilize.Slave media server 210 can include being configured to from synchronizing signal extract synchronizing letter Cease and be based at least partially on extracted synchronizing information to control the hardware and software group of video playback Part.Such as, slave media server 210 can include being configured to be played back and synchronizing signal Carry out the hardware of frame lock.

Modularity media server module

Fig. 6 shows and is configured to allow projecting apparatus system upgrade to from single-screen projecting apparatus system can So that as immersion display system, (immersion such as, described herein in reference to Fig. 1 and Fig. 2 shows Show system) the example media server module 610 of projecting apparatus system of a part.Media services Device module 610 can include that adapter and interface element 620 are to provide and existing projecting apparatus system base Plinth framework (such as, projecting apparatus system architecture present in screen management system (" SMS ")) Compatibility.Media server module 610 can also include being configured to supply herein in reference to figure The electronic device 630 of 4 functions described.Such as, adapter 620 and electronic device 630 can be by It is configured to receive synchronizing signal and be based at least partially on synchronizing signal to control video playback.As Another example, adapter 620 and electronic device 630 can be configured to be produced from definition and synchronize letter Number play back with synchronization video between multiple projecting apparatus systems.As another example, adapter 620 The part of projecting apparatus system that order links can be configured to electronic device 630, wherein, Synchronizing signal is sequentially transmitted between projecting apparatus system connected in series.

Media server module 610 can be configured to be integrated in projecting apparatus system so that media Server module 610 is configured to drive the projector of projecting apparatus system.By this way, media Server module 610 allows projecting apparatus system to update and upgrading is without changing projector.Therefore, Media server module 610 provides and upgrades to projecting apparatus system including described herein immersing Formula presents the mode of ability.It addition, media server module 610 can serve as integrated film media Processor, thus integrated film processor and the function of media server are provided.This can will project Instrument system is converted to projector compatible for DCI and media server.

Media Stream synchronous method

Fig. 7 shows that in the media server connected in series in immersion display system, synchronization is many The flow chart of the exemplary method 700 of individual Media Stream.Method 700 can be by immersion display system Multiple projecting apparatus systems and/or media server perform.A small piece of land surrounded by water as herein in reference to Fig. 2, Fig. 4, One or more media servers of the media server that Fig. 5 or Fig. 6 describes can perform method The one or more steps of 700.It addition, one or more modules of media server are (such as, The one or more modules described herein in reference to Fig. 4) of method 700 or many can be performed Individual step.Additionally, the single step of method 700 can be by more than one module and/or projector System performs.

In frame 705, main projection engine system extracts the synthesis (composition) for presenting. As described herein, synthesis can include the video and/or audio to present to spectators.Synthesize permissible Including the video to be shown by main projection engine system.In some embodiments, synthesis can include The video to be shown by two or more subordinate projecting apparatus systems.In this scene, principal view Instrument system can send to each subordinate projecting apparatus system and be enough to show the data of video.Real at some Executing in example, two or more subordinate projecting apparatus systems all extract synthesis, to be thrown by respective subordinate Shadow instrument system presents.

In block 710, main projection engine system is based at least partially on the synthesis of extraction to produce synchronization Signal.Encoding of data words can be sync waveform by synchronizing signal.The data word of coding can include There is the synchronizing information of timing code form.In certain embodiments, main projection engine system is at least part of Ground produces synchronizing signal based on the audio frequency in the synthesis presented by main projection engine system.

In frame 715, main projection engine system sends synchronizing signal to the first subordinate projecting apparatus system. Main projection engine system can be by coaxial cable or have other cables of holding wire and earth lead and send out Send synchronizing signal.In frame 720, the first subordinate projecting apparatus system receives synchronizing signal and to second Subordinate projecting apparatus system forwards synchronizing signal.First subordinate projecting apparatus system can synchronize even in input Connect reception synchronizing signal at device, and send synchronizing signal at output synchronous connector.

In frame 725, main projection engine system shows the frame of video from the synthesis extracted.At frame 730, the first subordinate projecting apparatus system and the second subordinate projecting apparatus system show and by main projection engine system The frame of video of the video frame synchronization of display, wherein, is based at least partially on and is produced by main projection engine system Raw synchronizing signal synchronizes shown frame of video.First subordinate projecting apparatus system and the second subordinate Projecting apparatus system all can process the synchronizing signal received to extract synchronizing information.It addition, first Subordinate projecting apparatus system and the second subordinate projecting apparatus system all can be based at least partially on and be extracted Synchronizing information controls the playback to its video (such as, controlling the timing of when frame of display video).

Fig. 8 shows that subordinate is regarded by the synchronizing signal being based at least partially on self-contained projector system Frequency carries out the flow chart of synchronize exemplary method 800 with main video.The method can be shown by immersion Show that subordinate projecting apparatus system in system performs, such as herein in reference to figure l to Fig. 5 describe from Belong to projecting apparatus system.Subordinate projecting apparatus system can include the step being configured in execution method 800 Rapid hardware and software, and each step in the method can be by the one of subordinate projecting apparatus system Individual or multiple assemblies and/or one or more module perform.Similarly, in method 800 Or multiple step can be performed by any combination of the hardware and software of subordinate projecting apparatus system.Side Method 800 can allow subordinate projecting apparatus system to carry out synchronize by slave video with main video.At some In embodiment, subordinate projecting apparatus system can include modified single projector system.Such as, Projecting apparatus system can turn over by the module of the module 610 such as described herein in reference to Fig. 6 etc Newly, this module is configured to receive synchronizing signal and be based at least partially on the synchronizing signal received Synchronize its video.In some embodiments, synchronizing signal can be produced by main projection engine system, This main projection engine system is not specifically designed as a part for immersion display system.Such as, joined Put the projecting apparatus system for single-screen movie theatre can standard based on such as LTC or AES3 etc come Produce synchronizing signal.Subordinate projecting apparatus system can receive synchronizing signal, and based on this generation same Step signal synchronizes its video.In this way it is possible to use existing hardware and by one or more Projecting apparatus system renovation (such as, using module 610) is to create as subordinate projecting apparatus system Immersion display system.

In frame 805, subordinate projecting apparatus system receives synchronizing signal.Can be by main projection engine system Or it is configured to produce another system of synchronizing signal to produce synchronizing signal.Synchronizing signal is permissible Based on standard sync signal (such as, LTC, AES3 etc.), or it can meet subordinate projection The form that instrument system can process, and it can extract synchronizing information according to this form.Permissible Synchronizing signal is received by the cable with holding wire and earth lead of such as coaxial cable etc. It is to be understood that other cabling options in the scope of the present disclosure, it include (such as, but not limited to): Serial cable, twisted-pair cable, USB cable etc..

In frame 810, subordinate projecting apparatus system by another cable (such as, be used for receiving with Walk the cable that the cable of signal is different) the synchronization letter received is sent to another subordinate projecting apparatus system Number.Subordinate projecting apparatus system can include active electronic device, and this active electronic device is configured to Receive synchronizing signal and next the subordinate projecting apparatus system in chain transmits this signal.Implement at some In example, subordinate projecting apparatus system include amplifier, wave filter and/or other be configured to synchronize letter Reduce synchronizing signal number when a subordinate projecting apparatus system is delivered to next subordinate projecting apparatus system bad The electronic device changed.

In frame 815, subordinate projecting apparatus system extracts synchronizing information from the synchronizing signal received. This can occur concurrently with the transmission of synchronizing signal in frame 810.This operation can be completed to reduce Or minimize the delay in immersion display system.Synchronizing information can include that being sufficient so that subordinate throws Shadow instrument system provides and by another projecting apparatus system (such as, main projection engine system and/or other subordinates Projecting apparatus system) information of the frame of video of audio video synchronization that provides.Synchronizing information can include (example As, but be not limited to): frame number, timestamp, timing code, metadata, for subordinate projector system The order etc. of system, is more fully described this herein.

In frame 820, subordinate projecting apparatus system provides and the video provided by another projecting apparatus system The frame of video synchronized.Subordinate projecting apparatus system can at frame buffer synchronized video frames.Subordinate is thrown Shadow instrument system can process in chain the point (such as, at video decoding stage) before frame buffer Synchronized video frames.Synchronize frame of video can with show together with the video of other projecting apparatus systems On screen, to provide immersion viewing experience to beholder.

The connection that uses for movie contents carrys out the example of the projecting apparatus system that order links

In some cases, movie contents can before being sent to each projecting apparatus system first Hold place (hosted) on server.Fig. 9 shows and utilizes between projecting apparatus system 900a～c Control connect (such as, for sending the connection of order) and for from server node 980 The connection sending content to projecting apparatus system 900a～c provides the immersion example that display is experienced to sink Immersion display system 899.As described in the disclosure before, projecting apparatus system 900a～c is permissible Cable 930a～b is utilized sequentially to link.Each in projecting apparatus system 900a～c is all right Including media server.The media clothes such as described herein in reference to Fig. 2, Fig. 4, Fig. 5 or Fig. 6 What one or more media servers of business device etc were used as in projecting apparatus system 900a～c appoints The media server of what projecting apparatus system.The media server of projecting apparatus system 900a～c is also Can include integrated film media processor, it can be to be combined with integrated film processor and media Single or the single electron plate of the function of server.

First server 990 can hold place movie contents.Such as (but not limited to), movie contents The compatible content of DCI can be stored as, including the Media Stream of such as DCP and/or DCDM etc. It should be understood, however, that: the system and method provided in the disclosure can apply to for transmitting and/or beating Any file format of bag digital cinema content, such as (but not limited to): REDCODE, labelling figure As file format (" TIFF "), TIF/electrofax (" TIFF/EP "), Digital negative file (" DNG "), extensible meta-data platform file (" XMP "), commutative figure As file format (" Exif ") etc..Server 990 can include or be couple to network-attached depositing Reservoir (" NAS ").Server 990 can also is that the assembly of TMS, or can be independent system A part for system.Media Stream can include single file, merge file or multiple file.

Movie contents on server 990 can be stored as compression, encryption and/or packetized form and/ Or decompress, decipher and/or solve packet form.In some cases, server 990 can run soft Part and/or there is the hardware decompressing movie contents, decipher and/or unpacking.In some feelings Under condition, data the most decompressed, that decipher and/or unpack can be uploaded on server 990.

From server 990 movie contents can by compression, encryption and/or packetized form and/or Decompress, decipher and/or solve packet form and send to server node 980.Can be by having signal The cable of line and earth lead sends movie contents.Such as (but not limited to), cable can include Coaxial cable, Ethernet cable, HDMI cable, component cable, HD-SDI cable etc..Should be understood that Other cabling options are in the scope of the present disclosure, including such as (but not limited to): serial electricity Cable, twisted-pair cable, USB cable etc..In addition it is possible to use 1000BASE-T GB transceiver And/or meet any cable of IEEE gigabit Ethernet standard and/or assembly to transmit data.Additional Ground, can (Wireless Networking such as, using such as IEEE 802.11n etc be assisted with being wirelessly transferred View) carry out breakdown cable.

From server node 980, can be by cable 940a～c to each projecting apparatus system 900a～c sends movie contents respectively, and wherein, cable 940a～c can include any aforementioned electricity Cable or be wirelessly transferred.In some embodiments, movie contents can be configured with for often The composition playlist (" CPL ") of individual projecting apparatus system 900a～c.It is based at least partially on electricity The data comprised in shadow content and/or CPL, each projecting apparatus system 900a～c can realize intelligence Capture functions, the picked-up of movie contents will be limited to for this specific projection by this intelligence capture functions The relevant portion of instrument system.At projecting apparatus system 900a～c, can be by being positioned at each projector Integrated film media processor at system 900a～c receives movie contents.

As mentioned, in some cases it may by integrated film media processor by decompress, Deciphering and/or solution packet form receive movie contents.So, projecting apparatus system 900a～c can not Movie contents is further decompressed, deciphered, unpacked and/or is processed for viewing.? In the case of other, movie contents can be received by compression, encryption and/or packetized form.This In the case of, the integrated film media processor of projecting apparatus system 900a～c can in movie contents Movie contents was decompressed, decipher and/or unpacks before viewing.Projecting apparatus system 900a～ C can be configured to carry out projection video at least based on the movie contents received and (such as, project to On screen).

Alternatively, it is also possible to use cable 950a～c.Cable 950a～c can include any before State cable or be wirelessly transferred, and also the connection between projecting apparatus system 900a～c is provided.One In the case of Xie, cable 950a～c can provide the added communications between projecting apparatus system 900a～c, Wherein, each projecting apparatus system can send order and/or control signal to other projectors.One In the case of Xie, cable 950a～c can also send between projecting apparatus system 900a～c compression, Movie contents that is that encrypt and/or packing and/or that decompress, deciphering and/or that unpack.Such as (but not limited to), it may be desirable that the correction that transmits of movie contents is sent to the interior of error projection instrument by mistake Hold, change on which screen, watch what content, and/or further enhance viewing experience.

One or more in projecting apparatus system 900a～c may be coupled to one or more user and connect Mouth is to provide user's input and/or to control.User interface can also show state, statistics/data and Log history.User interface can also comprise for handling/edit movie contents and/or processing film The software of content.Such as (but not limited to), projecting apparatus system 900a can pass through cable 975 Being connected to interface 970, cable 975 can be any of above cable or be wirelessly transferred.Interface 970 Can be personal computer, panel computer, mobile device, web browser and/or can be to projection Instrument system 900a sends and receives any equipment of signal.Projecting apparatus system 900a can also couple To the computer of such as touch panel computer (" TPC ") 960 etc, it can also allow for User's input and/or control.

Conclusion

In certain embodiments, have and include CPU (CPU), input/output (I/0) Assembly, storage device and memorizer may be used for implementing projector system in the calculating system of interior assembly System or the specific components of projecting apparatus system.The executable code module of projecting apparatus system can be stored in In the memorizer of calculating system and/or in other kinds of non-transitory computer-readable storage media. In certain embodiments, projecting apparatus system can configure with the mode being different from aforesaid way.

Previously each in process, method and the algorithm described in chapters and sections can be embodied as code Module and come automatization wholly or in part, wherein by one or more computers, meter by code module Calculation machine processor or be configured to the machine of computer instructions to perform this code module.Code Module can be stored in any kind of non-transitory computer-readable medium or tangible computer storage On equipment, such as hard drive, solid-state memory, CD etc..System and module can also be respectively On kind of computer-readable transmission medium as generation data signal (such as, as carrier wave or other A part for analog or digital transmitting signal) send, this computer-readable transmission medium includes base In wireless and based on wired/cable medium, and system and module can use various forms (such as, as a single or part for multiplexed analog signal, or divide as multiple discrete digital Group or frame).Can in special circuit partially or completely realization process and algorithm.Can be forever For a long time property ground or otherwise at any kind of non-transitory computer memory device (such as, easily Lose property or non-volatile memory device) in storage disclosed in process and process step result.

Above-mentioned various feature and process can be used independently of one another, maybe can be by above-mentioned various features It is combined in every way with processing.All possible combination and sub-portfolio are contemplated within the disclosure In the range of.Furthermore, it is possible to omit some method in some embodiments or process block.Herein Described method and process are also not limited to any particular order, and can be by other applicable orders Perform relative piece or state.For example, it is possible to by different from specifically disclosed order suitable Sequence performs described task or event, or can be by multiple tasks or composition of matter single In block or state.Example task can be performed serially, concurrently or in some other manner Or event.Can add to disclosed example embodiment or therefrom remove task or event.Permissible It is configured differently example system as herein described and assembly with described mode.Such as, with disclosed Example embodiment compares, and can add, removes or rearrange key element.

Conditional language used herein (such as " can ", " meeting ", " possible ", " can With ", " such as " etc.) be frequently not in order to imply feature, element and/or step for one or It is all necessary for multiple embodiments or implies that one or more embodiment must include logic circuit So that with and without author input perhaps can in the case of decide whether these features, element And/or step is included in any specific embodiment, or in any specific embodiment, perform described spy Levy, element and/or step.Term " comprises ", " including ", " having " etc. are synonyms, And used by inclusive in an open-ended fashion, and it is not excluded for other elements, feature, action, behaviour Make.Additionally, term "or" is used as inclusive implication (and not being removing property implication) so that When being used such as with connecting element list, term "or" represent one of element in list, Part or all.Unless the most additionally limited in literary composition, otherwise connectivity statement is (such as, short Language " at least one in X, Y and Z ") should be understood to be generally used for expressing item in conjunction with context Mesh, term etc. can be X, Y or Z.Therefore, this connectivity statement is frequently not to imply Specific embodiment needs all to there is at least one X, at least one Y and at least one Z.Term is " big About " or " approximation " etc. is synonym, and the value modified by this term for instruction has and it The understanding scope of association, wherein, this scope can be ± 20%, ± 15%, ± 10%, ± 5% or ± 1%. Term " substantially " is used for indicating result (such as, measured value) close to desired value, wherein, connects Closely can represent such as result in the 80% of value, value 90% in, value 95% in, or In the 99% of value.

Notwithstanding some example embodiment, but these embodiments are only meant as exemplary, Rather than in order to limit scope of the invention herein disclosed.Therefore, any in above description It is essential that content is all not intended to any special characteristic, characteristic, step, module or frame Or indispensable.Really, new method described herein and system can be revised as various its His form；Furthermore, it is possible on the premise of without departing from the spirit of invention disclosed herein, right The form of methods and systems described herein carries out various omissions, substitutions and changes.

Claims

1. an immersion display system, including:

Main projection engine system, including main media server and main projection engine, described main media server It is configured to:

Produce the synchronizing signal including the waveform that synchronizing information is encoded；

Described synchronization letter is sent by being electrically coupled to the first synchronizing cable of described main projection engine system Number；

Main video is provided；And

Described main video is sent to show to described main projection engine；

First subordinate projecting apparatus system, including the first slave media server and the first subordinate projector, Described first slave media server is configured to:

By being electrically coupled to described first synchronizing cable of described first subordinate projecting apparatus system from described Main projection engine system receives described synchronizing signal；

Send described by being electrically coupled to the second synchronizing cable of described first subordinate projecting apparatus system Synchronizing signal；

Extract described synchronizing information；

First slave video is provided；And

Described first slave video is sent to show to described first subordinate projector；

Second subordinate projecting apparatus system, including the second slave media server and the second subordinate projector, Described second slave media server is configured to:

By being electrically coupled to described second synchronizing cable of described second subordinate projecting apparatus system from described First subordinate projecting apparatus system receives described synchronizing signal；

Extract described synchronizing information；

Second slave video is provided；And

Described second slave video is sent to show to described second subordinate projector；And

Networking connects, and in the way of can communicating, described main projection engine system is coupled to described first Subordinate projecting apparatus system and be coupled to described second subordinate projecting apparatus system；

Wherein, be based at least partially on described synchronizing information to synchronize described main video, described first Slave video and described second slave video.

Immersion display system the most according to claim 1, wherein, described synchronizing signal is Two-phase symbolic coding is used to encode.

Immersion display system the most according to claim 1, wherein, described synchronizing signal bag Include the data word of 64 bits.

Immersion display system the most according to claim 1, wherein, described first synchronizes electricity Cable and described second synchronizing cable are coaxial cables.

Immersion display system the most according to claim 1, wherein, described main video, institute State the first slave video identical with the frame per second of each in described second slave video.

Immersion display system the most according to claim 5, wherein, described frame per second is 30fps.

Immersion display system the most according to claim 1, wherein, described main video be from Digital movie bag extracts.

Immersion display system the most according to claim 7, wherein, described first subordinate regards Frequency extracts from described digital movie bag.

Immersion display system the most according to claim 7, wherein, described first subordinate regards Frequency extracts from the second digital movie bag.

Immersion display system the most according to claim 7, wherein, described second subordinate regards Frequency extracts from described digital movie bag.

11. immersion display systems according to claim 1, also include: network connects, institute State network connection, in the way of can communicating, described main projection engine system is coupled to described first subordinate Projecting apparatus system.

12. immersion display systems according to claim 11, wherein, described network connects Also in the way of can communicating, described main projection engine system is coupled to described second subordinate projector system System.

13. immersion display systems according to claim 1, wherein, described synchronizing signal Data transfer rate is about 2Mbps.

14. immersion display systems according to claim 1, wherein, described main video and institute State the delay between the second slave video less than 100 μ s.

15. immersion display systems according to claim 1, wherein, described main video and institute State postponing between the second slave video and be less than the 0.01% of the frame per second of described main video.

Subordinate projecting apparatus system in 16. 1 kinds of immersion display systems, described subordinate projector system System includes:

Media module, is configured to supply the video including multiple frame of video；

Synchronize input connector, be configured to from being electrically coupled to the first of described synchronization input connector Synchronizing cable receives synchronizing signal；And

Synchronism output adapter, is electrically coupled to described synchronization input connector, and described synchronism output is even Connect device to be configured to send described to the second synchronizing cable being electrically coupled to described synchronism output adapter Synchronizing signal；

Synchronization module, is electrically coupled to described synchronization input connector, and described synchronization module is configured to:

Synchronizing information is extracted from the described synchronizing signal received；And

Described synchronizing information is provided to described media module,

Wherein, described media module is based at least partially on described synchronizing information to provide described video Frame of video,

Wherein, the frame of video provided and another projecting apparatus system in described immersion display system Audio video synchronization.

17. subordinate projecting apparatus systems according to claim 16, wherein, described synchronization inputs Adapter is electrically coupled to described synchronism output adapter by active electronic device.

18. subordinate projecting apparatus systems according to claim 16, also include: projector, quilt It is configured to the frame of video that display is provided.

19. subordinate projecting apparatus systems according to claim 16, wherein, described synchronizing signal Format according to AES3 standard.

20. subordinate projecting apparatus systems according to claim 16, wherein, described media module It is additionally configured to extract described video from digital movie bag.

21. subordinate projecting apparatus systems according to claim 20, wherein, described digital movie Being stored at least partially on described subordinate projecting apparatus system of bag.

22. 1 kinds of immersion display systems, including:

Server, is configured to store movie contents；

Server node, is connected to described server, and wherein, described server node is configured to Receive described movie contents and distribute described movie contents；And

Multiple projecting apparatus systems, each projecting apparatus system includes integrated film media processor, described Integrated film media processor is configured to receive described movie contents base from described server node Projection video is carried out in the movie contents received,

Wherein, the plurality of projecting apparatus system includes that main projection engine system and at least one subordinate project Instrument system, described main projection engine system is can be coupled at least one subordinate described in the way of communicating Projecting apparatus system, to send synchronizing signal at least one subordinate projecting apparatus system described, thus will The video that described main projection engine system is projected is projected with at least one subordinate projecting apparatus system described Video synchronize.

23. immersion display systems according to claim 22, wherein, the plurality of projection Instrument system includes described main projection engine system, the first subordinate projecting apparatus system and the projection of the second subordinate Instrument system, wherein, described main projection engine system is connected to described first subordinate by the first cable and throws Shadow instrument system, and described first subordinate projecting apparatus system is connected to described second by the second cable Subordinate projecting apparatus system, described first cable is configured to from described main projection engine system to described One subordinate projecting apparatus system send synchronizing signal, described second cable be configured to from described first from Belong to projecting apparatus system and send described synchronizing signal to described second subordinate projecting apparatus system.