CN105049968A - Integrated digital sound effect processing audible device based on Android system and operation method thereof - Google Patents
Integrated digital sound effect processing audible device based on Android system and operation method thereof Download PDFInfo
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- CN105049968A CN105049968A CN201510393095.2A CN201510393095A CN105049968A CN 105049968 A CN105049968 A CN 105049968A CN 201510393095 A CN201510393095 A CN 201510393095A CN 105049968 A CN105049968 A CN 105049968A
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Abstract
The invention discloses an integrated digital sound effect processing audible device based on the Android system and an operation method thereof. The device comprises a digital sound effect chip and an intelligent terminal with the Android system. A control module, a Linux inner nuclear layer, an Android frame layer and an Android application layer are arranged inside the Android system, and the Linux inner nuclear layer, the Android frame layer and the Android application layer are connected in order from bottom to top. One end of the digital sound effect chip is connected with the Linux inner nuclear layer. The other end of the digital sound effect chip is connected with an input end of an audio frequency amplifier. The output end of the audio frequency amplifier is connected with a woofer. The intelligent terminal is electrically connected with the input end of the control module. The output end of the control module is in wireless communication connection with the Linux inner nuclear layer and the digital sound effect chip. The Android operation system and the digital sound effect chip are combined, thus the audible device is equipped with the Android operation system, integrated digital sound effect processing is achieved, intelligent control and independent operation can be ensured, effective processing of a digital audio frequency signal can be carried out, and thus the audible device can meet market demands.
Description
Technical field
The present invention relates to sound technique field, particularly relate to a kind of integrated digital audio effect processing formula acoustics based on android system and method for operation thereof.
Background technology
The main application of current Android operation system is field of mobile terminals, as small type mobile devices such as mobile phone and flat boards, quietly rise in the use of field of audio, the development speed of intelligent sound is progressively accelerated, relative to traditional sound equipment, the convenience of Bluetooth audio device meets people greatly for movement, the user demand of small and exquisite easy-to-use sound equipment; But abundanter at Internet resources, in the network environment more fast and convenient epoch, people have had further demand for sound equipment.And more quick, more multiple resource, more easily manipulates, human-computer interaction, is that traditional sound equipment and Bluetooth audio device cannot meet without numerous demands such as slot coupling.
Summary of the invention
For the weak point existed in above-mentioned technology, the invention provides a kind of structure simply, easily manipulates and human-computer interaction is strong the integrated digital audio effect processing formula acoustics based on android system and method for operation thereof.
For achieving the above object, the invention provides a kind of integrated digital audio effect processing formula acoustics based on android system, comprise digital audio chip and have the intelligent terminal of android system, described android system is built-in with control module for control figure sound chip and the Linux inner core be connected successively from the bottom to top, Android ccf layer and Android application layer; One end of described digital audio chip connects Linux inner core, and the other end of this digital audio chip connects the input of audio frequency amplifier, and the output of described audio frequency amplifier connects bass horn; Described intelligent terminal is electrically connected with the input of control module, and the output of described control module is connected with Linux inner core and the wireless telecommunications of digital audio chip respectively;
Realized the driving of digital audio chip by Linux inner core after, this Android ccf layer realizes the definition JNI method of digital audio chip; Android application layer calls JNI method, controls after realizing the access services of digital audio chip to digital audio chip.
Wherein, described digital audio chip is provided with I2C interface and SDO interface, and described digital audio chip is connected with Linux inner core communication by I2C interface; Described digital audio chip connects the input of audio frequency amplifier by SDO interface.
Wherein, this device also comprises multiple loudspeaker, and the output of described digital audio chip also connects multiple loudspeaker respectively.
Wherein, described Linux inner core is provided with ALSA audio driven interface and control interface, and described Linux inner core is connected with the I2C interface of digital audio chip by ALSA audio driven interface; Described Linux inner core is connected with the output communication of control module by control interface.
Wherein, described audio frequency amplifier is provided with I2S interface, and described digital audio chip is connected with the I2S interface of audio frequency amplifier by SDO interface.
Wherein, the model of described digital audio chip is YDA174, and the model of described audio frequency amplifier is TAS576OM.
For achieving the above object, the present invention also provides a kind of method of operation of the integrated digital audio effect processing formula acoustics based on android system, realized the driving of digital audio chip by Linux inner core after, this Android ccf layer realizes the definition JNI method of digital audio chip; Android application layer calls JNI method, controls after realizing the access services of digital audio chip to digital audio chip.
The invention has the beneficial effects as follows: compared with prior art, integrated digital audio effect processing formula acoustics based on android system provided by the invention and method of operation thereof, digital audio chip is connected with Linux inner core communication, and user carrys out the operation of control figure sound chip by control module, and realize the driving of digital audio chip by Linux inner core after, this Android ccf layer realizes the definition JNI method of digital audio chip; Android application layer calls JNI method, controls after realizing the access services of digital audio chip to digital audio chip.The improvement of this structure, Android operation system and digital audio chip are combined, sound equipment is made to carry Android operation system, integrated digital audio effect processing, both its Intelligent control can be ensured, independent operating, effectively can process digital audio and video signals again, makes this acoustics more can meet the demand in market.
Accompanying drawing explanation
Fig. 1 is of the present invention based on the integrated digital audio effect processing formula acoustics of android system and the working envelope figure of method of operation thereof.
Main element symbol description is as follows:
10, digital audio chip 11, intelligent terminal
12, control module 13, Linux inner core
14, Android ccf layer 15, Android application layer
16, audio frequency amplifier 17, bass horn
18, loudspeaker.
Embodiment
In order to more clearly state the present invention, below in conjunction with accompanying drawing, the present invention is further described.
Refer to Fig. 1, integrated digital audio effect processing formula acoustics based on android system of the present invention, comprise digital audio chip 10 and have the intelligent terminal 11 of android system, android system is built-in with control module 12 for control figure sound chip and the Linux inner core 13 be connected successively from the bottom to top, Android ccf layer 14 and Android application layer 15; One end of digital audio chip 10 connects Linux inner core 13, and the other end of this digital audio chip 10 connects the input of audio frequency amplifier 16, and the output of audio frequency amplifier 16 connects bass horn 17; Intelligent terminal 11 is electrically connected with the input of control module 12, and the output of control module 12 is connected with Linux inner core 13 and digital audio chip 10 wireless telecommunications respectively;
Realized the driving of digital audio chip 10 by Linux inner core 13 after, this Android framework 14 layers realizes the definition JNI method of digital audio chip; Android application layer 15 calls JNI method, controls after realizing the access services of digital audio chip 10 to digital audio chip 10.
Compared to the situation of prior art, integrated digital audio effect processing formula acoustics based on android system provided by the invention, digital audio chip 10 is connected with Linux inner core 13 communication, and user carrys out the operation of control figure sound chip 10 by control module 12, and realize the driving of digital audio chip 10 by Linux inner core 13 after, this Android ccf layer realizes the definition JNI method of digital audio chip; Android application layer calls JNI method, controls after realizing the access services of digital audio chip to digital audio chip.The improvement of this structure, Android operation system and digital audio chip are combined, sound equipment is made to carry Android operation system, integrated digital audio effect processing, both its Intelligent control can be ensured, independent operating, effectively can process digital audio and video signals again, makes this acoustics more can meet the demand in market.
In the present embodiment, digital audio chip 10 is provided with I2C interface and SDO interface, and digital audio chip 10 is connected with Linux inner core 13 communication by I2C interface; Digital audio chip 10 connects the input of audio frequency amplifier 16 by SDO interface.
In the present embodiment, this device also comprises multiple loudspeaker 18, and the output of digital audio chip 10 also connects multiple loudspeaker 18 respectively.Certainly, be not limited to the quantity of loudspeaker and bass horn in this case, can improve its quantity according to the actual needs.
In the present embodiment, Linux inner core 13 is provided with ALSA audio driven interface and control interface, and Linux inner core 13 is connected with the I2C interface of digital audio chip 10 by ALSA audio driven interface; Linux inner core 13 is connected with the output communication of control module 12 by control interface.Audio frequency amplifier 16 is provided with I2S interface, and digital audio chip 10 is connected with the I2S interface of audio frequency amplifier 16 by SDO interface.
In the present embodiment, the model of digital audio chip is YDA174, and the model of audio frequency amplifier is TAS576OM.Certainly, above-mentioned signal is not limited to.
For achieving the above object, the present invention also provides a kind of method of operation of the integrated digital audio effect processing formula acoustics based on android system, realized the driving of digital audio chip by Linux inner core after, this Android ccf layer realizes the definition JNI method of digital audio chip; Android application layer calls JNI method, controls after realizing the access services of digital audio chip to digital audio chip.
The method of operation of the integrated digital audio effect processing formula acoustics based on android system provided by the invention, this intelligence is rung device and is had powerful digital audio chip and Android operation system, and such combination can tackle calmly any demand of intelligent sound; This acoustics carries Android operation system, and integrated digital audio effect processing unit, both can ensure its Intelligent control, independent operating, can carry out perfection process again to digital audio and video signals.Control interface in android system can be utilized in the apparatus to realize hardware abstraction layer, definition JNI method; Registration hardware access service interface, calls JNI method, realizes hardware access service, for the application of android system provides application function; Application developer can carry out control according to application and development function to digital audio chip and realize corresponding software function and application.The structure provided in this case goes for all intelligent sound products formed with digital audio chip and android system; If change changing of Android version of living to corresponding modification, sound chip, all fall in the protection range of this case.
Below the definition about above-mentioned several interface:
I2C: be (Inter-IntegratedCircuit) bus is the twin wire universal serial bus developed by PHILIPS company, for connecting microcontroller and ancillary equipment thereof.It is a kind of bus standard that microelectronics Control on Communication field extensively adopts.It is a kind of special shape of synchronous communication, has interface line few, and control mode is simple, and device package form is little, and traffic rate is advantages of higher comparatively.
ALSA:AdvancedLinuxSoundArchitecture, the abbreviation of senior Linux sound framework, it provides the support of audio frequency and MIDI(MusicalInstrumentDigitalInterface on (SuSE) Linux OS.
I2S:(Inter-ICSound) bus be PHILIPS Co. is a kind of bus standard that the audio data transmission between digital audio-frequency apparatus is formulated, this bus specializes in the transfer of data between audio frequency apparatus, is widely used in various multimedia system.
SDO:ServiceDataObjects is a kind of normalized illustration for using unified data programing model between different data sources.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (7)
1. the integrated digital audio effect processing formula acoustics based on android system, it is characterized in that, comprise digital audio chip and have the intelligent terminal of android system, described android system is built-in with control module for control figure sound chip and the Linux inner core be connected successively from the bottom to top, Android ccf layer and Android application layer; One end of described digital audio chip connects Linux inner core, and the other end of this digital audio chip connects the input of audio frequency amplifier, and the output of described audio frequency amplifier connects bass horn; Described intelligent terminal is electrically connected with the input of control module, and the output of described control module is connected with Linux inner core and the wireless telecommunications of digital audio chip respectively;
Realized the driving of digital audio chip by Linux inner core after, this Android ccf layer realizes the definition JNI method of digital audio chip; Android application layer calls JNI method, controls after realizing the access services of digital audio chip to digital audio chip.
2. the integrated digital audio effect processing formula acoustics based on android system according to claim 1, it is characterized in that, described digital audio chip is provided with I2C interface and SDO interface, and described digital audio chip is connected with Linux inner core communication by I2C interface; Described digital audio chip connects the input of audio frequency amplifier by SDO interface.
3. the integrated digital audio effect processing formula acoustics based on android system according to claim 1, it is characterized in that, this device also comprises multiple loudspeaker, and the output of described digital audio chip also connects multiple loudspeaker respectively.
4. the integrated digital audio effect processing formula acoustics based on android system according to claim 1, it is characterized in that, described Linux inner core is provided with ALSA audio driven interface and control interface, and described Linux inner core is connected with the I2C interface of digital audio chip by ALSA audio driven interface; Described Linux inner core is connected with the output communication of control module by control interface.
5. the integrated digital audio effect processing formula acoustics based on android system according to claim 1, it is characterized in that, described audio frequency amplifier is provided with I2S interface, and described digital audio chip is connected with the I2S interface of audio frequency amplifier by SDO interface.
6. the integrated digital audio effect processing formula acoustics based on android system according to claim 1, it is characterized in that, the model of described digital audio chip is YDA174, and the model of described audio frequency amplifier is TAS576OM.
7. based on a method of operation for the integrated digital audio effect processing formula acoustics of android system, it is characterized in that, realized the driving of digital audio chip by Linux inner core after, this Android ccf layer realizes the definition JNI method of digital audio chip; Android application layer calls JNI method, controls after realizing the access services of digital audio chip to digital audio chip.
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Application publication date: 20151111 |