DE60106286D1 - Zeitbasisreferenzdatumregeneration für mpeg-transportströme - Google Patents
Zeitbasisreferenzdatumregeneration für mpeg-transportströmeInfo
- Publication number
- DE60106286D1 DE60106286D1 DE60106286T DE60106286T DE60106286D1 DE 60106286 D1 DE60106286 D1 DE 60106286D1 DE 60106286 T DE60106286 T DE 60106286T DE 60106286 T DE60106286 T DE 60106286T DE 60106286 D1 DE60106286 D1 DE 60106286D1
- Authority
- DE
- Germany
- Prior art keywords
- transcoder
- timing data
- clock
- packets
- offset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2365—Multiplexing of several video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/667,734 US6724825B1 (en) | 2000-09-22 | 2000-09-22 | Regeneration of program clock reference data for MPEG transport streams |
US667734 | 2000-09-22 | ||
PCT/US2001/027191 WO2002025952A2 (en) | 2000-09-22 | 2001-08-31 | Regeneration of program clock reference data for mpeg transport streams |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60106286D1 true DE60106286D1 (de) | 2004-11-11 |
DE60106286T2 DE60106286T2 (de) | 2005-10-13 |
Family
ID=24679412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60106286T Expired - Lifetime DE60106286T2 (de) | 2000-09-22 | 2001-08-31 | Zeitbasisreferenzdatumregeneration für mpeg-transportströme |
Country Status (11)
Country | Link |
---|---|
US (1) | US6724825B1 (de) |
EP (1) | EP1323312B1 (de) |
KR (1) | KR20030061808A (de) |
CN (1) | CN1212737C (de) |
AT (1) | ATE279073T1 (de) |
AU (1) | AU8699001A (de) |
CA (1) | CA2421788C (de) |
DE (1) | DE60106286T2 (de) |
MX (1) | MXPA03002418A (de) |
TW (1) | TW533739B (de) |
WO (1) | WO2002025952A2 (de) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1177692A1 (de) * | 2000-02-23 | 2002-02-06 | Koninklijke Philips Electronics N.V. | Verfahren, sender und übertragungssystem |
US6724825B1 (en) | 2000-09-22 | 2004-04-20 | General Instrument Corporation | Regeneration of program clock reference data for MPEG transport streams |
US6847656B1 (en) * | 2000-09-25 | 2005-01-25 | General Instrument Corporation | Statistical remultiplexing with bandwidth allocation among different transcoding channels |
ATE343262T1 (de) * | 2000-12-21 | 2006-11-15 | Cit Alcatel | Verbesserungsverfahren für eine programmtaktreferenz einer in vielfachzugriffsverfahren und burst-modus abeitende abwärts verbindung in einem integriertem mehrstrahlsatelliten kommunikationssystem |
US7023883B1 (en) * | 2000-12-27 | 2006-04-04 | Cisco Technology, Inc. | Method for providing a network timing reference clock in ethernet-connected VOIP equipment |
US6895520B1 (en) | 2001-03-02 | 2005-05-17 | Advanced Micro Devices, Inc. | Performance and power optimization via block oriented performance measurement and control |
US7194556B2 (en) * | 2001-03-30 | 2007-03-20 | Intel Corporation | Method and apparatus for high accuracy distributed time synchronization using processor tick counters |
US7173947B1 (en) * | 2001-11-28 | 2007-02-06 | Cisco Technology, Inc. | Methods and apparatus to evaluate statistical remultiplexer performance |
GB2386275B (en) * | 2002-03-05 | 2004-03-17 | Motorola Inc | Scalable video transmissions |
US7298741B2 (en) * | 2003-02-27 | 2007-11-20 | Sharp Laboratories Of America, Inc. | Robust MPEG-2 multiplexing system and method using an adjustable time stamp |
JP2004289295A (ja) * | 2003-03-19 | 2004-10-14 | Fujitsu Ltd | データ処理システム、データ処理装置及びデータ処理方法 |
KR100526189B1 (ko) * | 2004-02-14 | 2005-11-03 | 삼성전자주식회사 | 트랜스코딩 전후에 타이밍 파라미터를 일정하게유지시키는 트랜스코딩 시스템 및 방법 |
EP1615448A1 (de) * | 2004-07-09 | 2006-01-11 | Sony Deutschland GmbH | Verfahren zur Synchronisierung von Videosignalen |
US8189679B2 (en) * | 2004-09-02 | 2012-05-29 | Sony Corporation | Content receiving apparatus, method of controlling video-audio output timing and content providing system |
US20060095940A1 (en) * | 2004-11-03 | 2006-05-04 | Yearwood Bradley N | Method and apparatus for distributing digital stream data to a user terminal |
US7649874B2 (en) * | 2005-03-10 | 2010-01-19 | Qualcomm Incorporated | Methods and apparatus for providing power efficient time management for mobile media |
JP4991129B2 (ja) * | 2005-07-19 | 2012-08-01 | Necディスプレイソリューションズ株式会社 | 映像音声再生装置および映像音声再生方法 |
US20070177519A1 (en) * | 2006-01-30 | 2007-08-02 | Thomsen Jan H | Systems and methods for transcoding bit streams |
US8068541B2 (en) * | 2006-01-30 | 2011-11-29 | Jan Harding Thomsen | Systems and methods for transcoding bit streams |
US7548543B2 (en) * | 2006-05-19 | 2009-06-16 | Scientific-Atlanta, Inc. | Generation of valid program clock reference time stamps for duplicate transport stream packets |
US7702056B2 (en) | 2006-10-26 | 2010-04-20 | Toshiba America Electronic Components, Inc. | Time base corrector |
JP4607856B2 (ja) * | 2006-12-26 | 2011-01-05 | 富士通株式会社 | 符号化復号システム及び符号化復号方法 |
US20080205389A1 (en) * | 2007-02-26 | 2008-08-28 | Microsoft Corporation | Selection of transrate and transcode processes by host computer |
US8165199B2 (en) * | 2007-10-18 | 2012-04-24 | Texas Instruments Incorporated | Method and apparatus for on-chip voltage controlled oscillator function |
US20100278236A1 (en) * | 2008-01-17 | 2010-11-04 | Hua Yang | Reduced video flicker |
CN101247527B (zh) * | 2008-03-21 | 2010-04-21 | 华为技术有限公司 | 时钟恢复的方法及装置 |
JP2009290768A (ja) * | 2008-05-30 | 2009-12-10 | Toshiba Corp | 映像処理装置および映像処理方法 |
US7899089B2 (en) * | 2008-07-09 | 2011-03-01 | Ericsson Television, Inc. | Constant bit rate padding of MPEG transport streams |
CN102204249B (zh) | 2008-07-09 | 2014-06-04 | 爱立信电视公司 | Mpeg传输流的恒定比特率填充 |
US8526506B1 (en) | 2008-08-15 | 2013-09-03 | Ipera Technology, Inc. | System and method for transcoding with quality enhancement |
KR100972792B1 (ko) * | 2008-11-04 | 2010-07-29 | 한국전자통신연구원 | 스테레오스코픽 영상을 동기화하는 장치 및 방법과 이를 이용한 스테레오스코픽 영상 제공 장치 및 방법 |
US20120036277A1 (en) * | 2009-03-16 | 2012-02-09 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Modified Stream Synchronization |
WO2011035443A1 (en) | 2009-09-26 | 2011-03-31 | Sharif-Ahmadi Seyed M | System and method for micro-cloud computing |
US8458362B2 (en) | 2010-09-30 | 2013-06-04 | Comcast Cable Communications, Llc | Delivering content in multiple formats |
US8514329B2 (en) | 2011-05-31 | 2013-08-20 | Motorola Mobility Llc | Jitter estimation for MPEG receivers |
US20130083859A1 (en) * | 2011-10-04 | 2013-04-04 | General Instrument Corporation | Method to match input and output timestamps in a video encoder and advertisement inserter |
US9380327B2 (en) | 2011-12-15 | 2016-06-28 | Comcast Cable Communications, Llc | System and method for synchronizing timing across multiple streams |
CN103577456B (zh) * | 2012-07-31 | 2016-12-21 | 国际商业机器公司 | 用于处理时序数据的方法和装置 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5216503A (en) | 1991-12-24 | 1993-06-01 | General Instrument Corporation | Statistical multiplexer for a multichannel image compression system |
JPH0837662A (ja) | 1994-07-22 | 1996-02-06 | Hitachi Ltd | 画像符号化復号化装置 |
US5623312A (en) | 1994-12-22 | 1997-04-22 | Lucent Technologies Inc. | Compressed-domain bit rate reduction system |
EP0756800B1 (de) | 1995-02-22 | 2000-05-10 | Koninklijke Philips Electronics N.V. | System zur simultanen übertragung mehrerer videoprogramme über einen übertragungskanal |
US5694170A (en) | 1995-04-06 | 1997-12-02 | International Business Machines Corporation | Video compression using multiple computing agents |
JP4223571B2 (ja) | 1995-05-02 | 2009-02-12 | ソニー株式会社 | 画像符号化方法及び装置 |
US5920572A (en) | 1995-06-30 | 1999-07-06 | Divicom Inc. | Transport stream decoder/demultiplexer for hierarchically organized audio-video streams |
US5650860A (en) | 1995-12-26 | 1997-07-22 | C-Cube Microsystems, Inc. | Adaptive quantization |
US5835493A (en) | 1996-01-02 | 1998-11-10 | Divicom, Inc. | MPEG transport stream remultiplexer |
US5905732A (en) | 1996-08-27 | 1999-05-18 | Zenith Electronics Corporation | PCR restamper |
US5917830A (en) * | 1996-10-18 | 1999-06-29 | General Instrument Corporation | Splicing compressed packetized digital video streams |
EP0851656A1 (de) | 1996-12-23 | 1998-07-01 | HE HOLDINGS, INC. dba HUGHES ELECTRONICS | System und Verfahren zur hochauflösenden Videokompression mit Bildtäfelung |
US5949490A (en) | 1997-07-08 | 1999-09-07 | Tektronix, Inc. | Distributing video buffer rate control over a parallel compression architecture |
US6356567B2 (en) * | 1997-09-26 | 2002-03-12 | International Business Machines Corporation | Embedded clock recovery and difference filtering for an MPEG-2 compliant transport stream |
US6111896A (en) | 1998-01-14 | 2000-08-29 | Skystream Corporation | Remultiplexer for video program bearing transport streams with program clock reference time stamp adjustment |
EP1118225A1 (de) | 1998-10-02 | 2001-07-25 | General Instrument Corporation | Verfahren und vorrichtung zur ratensteuerung in einem videocodierer |
WO2000064092A1 (fr) * | 1999-04-16 | 2000-10-26 | Sony Corporation | Dispositif de communication, procede de communication, et support d'enregistrement |
JP2001251616A (ja) * | 2000-03-02 | 2001-09-14 | Media Glue Corp | 多重化音響・動画圧縮符号化信号変換方法、装置および変換プログラムを記録した媒体 |
US6724825B1 (en) | 2000-09-22 | 2004-04-20 | General Instrument Corporation | Regeneration of program clock reference data for MPEG transport streams |
US7068719B2 (en) * | 2001-06-01 | 2006-06-27 | General Instrument Corporation | Splicing of digital video transport streams |
-
2000
- 2000-09-22 US US09/667,734 patent/US6724825B1/en not_active Expired - Lifetime
-
2001
- 2001-08-10 TW TW090119638A patent/TW533739B/zh not_active IP Right Cessation
- 2001-08-31 DE DE60106286T patent/DE60106286T2/de not_active Expired - Lifetime
- 2001-08-31 CA CA2421788A patent/CA2421788C/en not_active Expired - Lifetime
- 2001-08-31 KR KR10-2003-7004129A patent/KR20030061808A/ko not_active Application Discontinuation
- 2001-08-31 CN CNB018193668A patent/CN1212737C/zh not_active Expired - Lifetime
- 2001-08-31 MX MXPA03002418A patent/MXPA03002418A/es active IP Right Grant
- 2001-08-31 AT AT01966481T patent/ATE279073T1/de not_active IP Right Cessation
- 2001-08-31 EP EP01966481A patent/EP1323312B1/de not_active Expired - Lifetime
- 2001-08-31 AU AU8699001A patent/AU8699001A/xx active Pending
- 2001-08-31 WO PCT/US2001/027191 patent/WO2002025952A2/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US6724825B1 (en) | 2004-04-20 |
AU8699001A (en) | 2002-04-02 |
ATE279073T1 (de) | 2004-10-15 |
CN1212737C (zh) | 2005-07-27 |
EP1323312A2 (de) | 2003-07-02 |
DE60106286T2 (de) | 2005-10-13 |
CA2421788A1 (en) | 2002-03-28 |
EP1323312B1 (de) | 2004-10-06 |
KR20030061808A (ko) | 2003-07-22 |
WO2002025952A2 (en) | 2002-03-28 |
TW533739B (en) | 2003-05-21 |
MXPA03002418A (es) | 2004-02-12 |
CN1476726A (zh) | 2004-02-18 |
WO2002025952A3 (en) | 2002-07-04 |
CA2421788C (en) | 2011-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |