CN109378017A - A kind of way of recording, device, audio system, sound pick-up outfit and storage medium - Google Patents
A kind of way of recording, device, audio system, sound pick-up outfit and storage medium Download PDFInfo
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- CN109378017A CN109378017A CN201811124626.8A CN201811124626A CN109378017A CN 109378017 A CN109378017 A CN 109378017A CN 201811124626 A CN201811124626 A CN 201811124626A CN 109378017 A CN109378017 A CN 109378017A
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- audio
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- recording
- frequency data
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
- G11B2020/10546—Audio or video recording specifically adapted for audio data
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
Abstract
This application provides a kind of way of recording, device, audio system, equipment and storage medium, the way of recording is applied to the audio hardware abstract module in audio system based on android system, and method includes: acquisition multi-path audio-frequency data；Multi-path audio-frequency data is saved into the first buffer pool；When the first recording application requests multi-path audio-frequency data by first interface, multi-path audio-frequency data in the first buffer pool is transmitted to the first recording application by first interface, first interface is the interface for being used for transmission at least two-way audio signal.The application can realize the input of the above microphone audio of two-way by Android system, can be suitable for the application scenarios using microphone array acquisition audio data.
Description
Technical field
This application involves field of artificial intelligence more particularly to a kind of way of recording, device, audio system, recording to set
Standby and storage medium.
Background technique
Android system is as a operating system, in current complicated application, because of opening and the height of its height
Customizability plays increasingly important role in artificial intelligence field.Current Android system could support up two-way Mike
The input of wind audio, and in certain application scenarios (such as noise reduction, echo cancellor, auditory localization), it usually needs use Mike
Wind array acquires audio data, this requires realizing the input of the two-way above microphone audio by Android system, therefore, such as
What by Android system realization the above microphone audio of two-way input be instantly urgent need to resolve the problem of.
Summary of the invention
In view of this, being used this application provides a kind of way of recording, device, audio system, sound pick-up outfit and storage medium
To realize that the above microphone audio of two-way inputs by Android system, its technical solution is as follows:
A kind of way of recording, applied to the audio hardware abstract module in audio system based on android system, the side
Method includes:
Obtain multi-path audio-frequency data；
The multi-path audio-frequency data is saved into the first buffer pool；
When the first recording application requests multi-path audio-frequency data by first interface, described in first buffer pool
Multi-path audio-frequency data is transmitted to first recording application by the first interface, wherein the first interface is for passing
Transport to the interface of few two-way audio signal.
The way of recording further include:
By in the multi-path audio-frequency data all the way or two-way audio data are saved into the second buffer pool；
It, will be in second buffer pool when the second recording application is requested all the way or when two-way audio data by second interface
All the way or two-way audio data by the second interface are transmitted to second recording application, wherein the second interface
For the interface for being used for transmission most two-way audio signals.
The way of recording further include:
When any buffer pool in first buffer pool, second buffer pool is filled up by audio data, with wait protect
It deposits audio data and covers the audio data saved earliest in the buffer pool.
Wherein, the acquisition multi-path audio-frequency data, comprising:
When Android system starting, starting recording thread；
The multi-path audio-frequency data is obtained from the audio driver module in the audio system by the recording thread.
The way of recording further include:
When Android system starting, start communication service module corresponding with the first interface；
The multi-path audio-frequency data by first buffer pool is transmitted to described by the first interface
One recording application, comprising:
After first recording application establishes connection by first interface and the communication service module, by being based on institute
The communication channel that first interface and the communication service module are established is stated, the multi-path audio-frequency data is transmitted to first record
Sound application.
A kind of recording device is abstracted mould applied to the audio hardware in the audio system of smart machine based on android system
Block, comprising: obtain module, the first cache module and the first transmission module；
The acquisition module, for obtaining multi-path audio-frequency data；
First cache module, for saving the multi-path audio-frequency data into the first buffer pool；
First transmission module is used for when the first recording application requests multi-path audio-frequency data by first interface, will
The multi-path audio-frequency data in first buffer pool is transmitted to first recording application by the first interface,
In, the first interface is the interface for being used for transmission at least two-way audio signal.
The recording device further include: the second cache module and the second transmission module；
Second cache module, for by the multi-path audio-frequency data all the way or two-way audio data are saved to
In two buffer pools；
Second transmission module, for when the second recording application by second interface request all the way or two-way audio data
When, by second buffer pool all the way or two-way audio data by the second interface be transmitted to it is described second recording answer
With, wherein the second interface is the interface for being used for transmission most two-way audio signals.
A kind of audio system of smart machine based on android system, includes at least: audio hardware abstract module, audio are driven
Dynamic model block and multiple analog-to-digital conversion modules, wherein the audio hardware abstract module is provided with the first buffer pool, and each modulus turns
Change the mold the corresponding microphone of block；
The analog-to-digital conversion module, for obtaining the analog audio signal of corresponding microphone acquisition, by the analogue audio frequency
Signal is converted to digital audio and video signals；
The audio driver module, for obtaining the multi-path audio-frequency data of the multiple analog-to-digital conversion module output；
The audio hardware abstract module, for obtaining the multi-path audio-frequency data from the audio driver module, by institute
Multi-path audio-frequency data is stated to save into the first buffer pool；And when the first recording application requests MCVF multichannel voice frequency by first interface
When data, the multi-path audio-frequency data in first buffer pool is transmitted to first recording by the first interface
Using, wherein the first interface is used for transmission at least two-way audio signal.
Wherein, the audio hardware abstract module is additionally provided with the second buffer pool；
The audio hardware abstract module, be also used to by the multi-path audio-frequency data all the way or two-way audio data protect
It deposits into the second buffer pool；And when the second recording application is requested by second interface all the way or when two-way audio data, by institute
State in the second buffer pool all the way or two-way audio data by the second interface are transmitted to second recording application,
In, the second interface is used for transmission most two-way audio signals.
Wherein, the audio hardware abstract module is specifically used in Android system starting, starting recording thread,
The multi-path audio-frequency data is obtained from the audio driver module by the recording thread.
Wherein, the audio system is provided with communication service module corresponding with the first interface；
The audio hardware abstract module is specifically used for starting the communication service mould in Android system starting
Block, after first recording application establishes connection by the first interface and the communication service module, by being based on institute
The multi-path audio-frequency data is transmitted to first recording and answered by the communication channel for stating first interface and communication service foundation
With.
A kind of sound pick-up outfit, comprising: memory and processor；
The memory, for storing program；
The processor, for executing described program, described program is specifically used for:
Obtain multi-path audio-frequency data；
The multi-path audio-frequency data is saved into the first buffer pool；
When the first recording application requests multi-path audio-frequency data by first interface, described in first buffer pool
Multi-path audio-frequency data is transmitted to first recording application by the first interface, wherein the first interface is for passing
Transport to the interface of few two-way audio signal.
A kind of readable storage medium storing program for executing is stored thereon with computer program, real when the computer program is executed by processor
Each step of the existing way of recording.
It can be seen via above technical scheme that the way of recording provided by the present application, device, audio system, sound pick-up outfit and
Storage medium is arranged after getting multipath audio signal by saving multipath audio signal to audio hardware abstract module
The first buffer pool in so that when the first recording application by be arranged be used for transmission multi-path audio-frequency data first interface request
When multi-path audio-frequency data, audio hardware abstract module can obtain multipath audio signal from the first buffer pool, and pass through first
Multipath audio signal is transmitted to the first recording application by interface, it can be seen that, the application can by Android system realize two-way with
The input of upper microphone audio data, so as to be suitable for the application scenarios using microphone array acquisition audio data.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of audio system based on android system in the prior art；
Fig. 2 is the structural schematic diagram of audio system based on android system provided by the embodiments of the present application；
Fig. 3 is a flow diagram of the way of recording provided by the embodiments of the present application；
Fig. 4 is another flow diagram of the way of recording provided by the embodiments of the present application；
Fig. 5 is the structural schematic diagram of recording device provided by the embodiments of the present application；
Fig. 6 is the structural schematic diagram of sound pick-up outfit provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Referring to Fig. 1, the structural schematic diagram of existing audio system based on android system is shown, the audio system packet
Include analog-to-digital conversion module 101, audio driver module 102, audio hardware abstract module 103, audio frame module 104.Based on Fig. 1
The scheme that audio system realizes recording is shown are as follows:
Analog-digital converter 101 obtain microphone acquisition single channel or two-way analog audio signal, the single channel that will acquire or
Two-way analog audio signal is converted to digital audio and video signals, and single channel or two-way digital audio and video signals are transmitted to audio driven mould
Required audio format is first passed through Android mark when recording application 100 requests audio data by Android standard interface by block 102
Quasi- interface is transferred to audio hardware abstract module 103, and audio hardware abstract module 103 obtains single from audio driver module 102
Road or two-way digital audio-frequency data, the audio data that will acquire is converted to format required for recording application, then format is converted
Audio data afterwards is transferred to recording application 100 by Android standard interface.It should be noted that in recording, audio hardware
Abstract module 103 calls Android standard interface, so that audio frame module 104 executes recording behaviour by the Android standard interface
Make.
Since Android system is mainly used in mobile terminal such as mobile phone, tablet computer etc. at present, and mobile phone, tablet computer etc.
Microphone be one or two, therefore, current Android system could support up the input of two-way audio data, and can not support
The input of the above audio data of two-way.
In order to realize the input to the above audio data of two-way, the embodiment of the present application provides a kind of based on android system
Audio system, referring to Fig. 2, showing the structural schematic diagram of the audio system, which may include: that multiple moduluses turn
Change the mold block 201, audio driver module 202, audio hardware abstract module 203, communication service module 204 and audio frame module
205, wherein audio hardware abstract module 203 is provided with the first buffer pool, the corresponding microphone of each analog-to-digital conversion module 201.
Analog-to-digital conversion module 201 turns analog audio signal for obtaining the analog audio signal of corresponding microphone acquisition
It is changed to digital audio and video signals.
Audio driver module 202, the multi-path audio-frequency data exported for obtaining multiple analog-to-digital conversion modules 203.
Audio hardware abstract module 203, for obtaining multi-path audio-frequency data from audio driver module 202, by MCVF multichannel voice frequency
Data are saved into the first buffer pool, when the first recording application 206 requests multi-path audio-frequency data by first interface, by first
Multi-path audio-frequency data in buffer pool is transferred to the first recording application 206 by first interface.
Wherein, the first recording application 206 can be the record dedicated for obtaining the multichannel especially above audio data of two-way
Sound application, first interface are the interface for being used for transmission at least two-way audio data that the application is specially arranged.
It should be noted that the first recording application 206 is when requesting multi-path audio-frequency data, first by the sound of required audio data
Frequency format is sent to audio hardware abstract module 203 by first interface, and audio hardware abstract module 203 is from the first buffer pool
Obtain multi-path audio-frequency data, audio lattice needed for the format for the multi-path audio-frequency data that will acquire is converted to the first recording application 206
Then multi-path audio-frequency data after formatting is transmitted to the first recording application 206 by first interface by formula.
In this application, when Android system starts, the starting recording of audio hardware abstract module 203 starts the same of recording
When, starting recording thread constantly obtains audio data from audio driver module 202.
In addition, starting communication service module 204, while the starting recording of audio hardware abstract module 203 to wait first
Recording application requests multi-path audio-frequency data.Audio hardware abstract module 203 requests to connect in the first recording application by first interface
It connects, and after establishing connection with communication service module 204, it is logical by the communication based on first interface and communication service module foundation
Multi-path audio-frequency data is transmitted to the first recording application by road.In one possible implementation, first interface can be local
Socket LocalSocket, communication service module 204 can be local socket LocalSocket service module.
It should be noted that in the prior art in order to realize the input of multi-path audio-frequency data, in the base of existing audio system
On plinth, a transfer application is set, transfer, which is applied, to be obtained multi-path audio-frequency data by Android standard interface and cache, when for obtaining
When the recording application of MCVF multichannel voice frequency requests multi-path audio-frequency data, audio format is transferred to by transfer by the privately owned interface of setting and is answered
With transfer applies the multi-path audio-frequency data after converting format by privately owned interface to be transmitted to and is used to obtain multi-path audio-frequency data
Recording application.Inventor has found that, due to the exclusivity for resource of recording, transfer application occupies during realizing the invention
When recording, for obtain all the way or the recording application of two-way audio can not by Android standard interface obtain audio data.
In view of existing scheme there are the problem of, it is existing for obtaining all the way or the recording of two-way audio data in order to make
It is independent of each other using when obtaining audio data at the same time with the recording application for obtaining MCVF multichannel voice frequency, in this application, audio
Hardware abstraction layer 203 is also provided with the second buffer pool, the second buffer pool be used to cache in multi-path audio-frequency data all the way or two
Road audio data.
Specifically, audio hardware abstract module 203 is after getting multi-path audio-frequency data from audio driver module 202, one
Aspect saves multi-path audio-frequency data into the first buffer pool, on the other hand, obtains from multi-path audio-frequency data all the way or two-way
Audio data is saved into the second buffer pool.
When the second recording application requests audio data by second interface, audio hardware abstract module 201 delays second
Rush in pond all the way or two-way audio data by second interface are transmitted to the second recording application.Wherein, the second recording application is
For obtaining all the way or the application of two-way audio data, second interface are the interface for being used for transmission most two-way audio signals,
It can be existing Android standard interface.
In audio system based on android system provided by the present application, audio hardware abstract module is getting MCVF multichannel voice frequency
When signal, on the one hand multi-path audio-frequency data is saved into the first buffer pool, on the other hand, by multi-path audio-frequency data all the way
Or two-way audio data are saved into the second buffer pool, this makes, when the first recording application requests multichannel sound by first interface
Frequency according to when, audio hardware abstract module can obtain multi-path audio-frequency data from the first buffer pool, and by multi-path audio-frequency data
It is transmitted to the first recording application by first interface, when the second recording application is requested all the way or two-way audio number by second interface
According to when, audio hardware abstract module can obtain all the way or two-way audio data from the second buffer pool, and will all the way or two-way
Audio data is transmitted to the second recording application by second interface.It can be seen that audio system provided by the embodiments of the present application is not
But the input of the above audio data of two-way may be implemented, moreover, because multi-path audio-frequency data with all the way or two-way audio data protect
There are the audio datas in different buffer pools, and in two buffer pools by different interface transmission, and therefore, the first recording is answered
It is independent of each other with when obtaining audio data simultaneously with the second recording application.
The embodiment of the present application also provides a kind of way of recording, which is applied to audio system based on android system
Audio hardware abstract module in system, audio hardware abstract module are provided with the first buffer pool, referring to Fig. 3, showing the record
The flow diagram of sound method, this method may include:
Step S301: multi-path audio-frequency data is obtained.
Specifically, multi-path audio-frequency data is obtained from the audio driver module in audio system, multi-path audio-frequency data is by more
A microphone acquire and converted by analog-digital converter after audio data.
In this application, when Android system starts, recording thread can be started, by recording thread from audio driver module
Obtain recording data.
Step S302: multi-path audio-frequency data is saved into the first buffer pool.
When saving multi-path audio-frequency data to the first buffer pool, if filling up audio data in the first buffer pool, with to
It saves audio data and covers the data saved earliest in the first buffer pool.
Step S303:, will be in the first buffer pool when the first recording application requests multi-path audio-frequency data by first interface
Multi-path audio-frequency data the first recording application is transmitted to by first interface.
Wherein, the first recording application can be dedicated for obtaining the recording of the multichannel especially above audio data of two-way and answering
With first interface is the interface for being used for transmission at least two-way audio data that the application is specially arranged.
In the present embodiment, when Android system starts, communication service module can be started, to wait the first recording application to ask
Multi-path audio-frequency data is sought, requests to connect by first interface in the first recording application, and after establishing connection with communication service module,
By the communication channel based on first interface and communication service module foundation, multi-path audio-frequency data is transmitted to the first recording and is answered
With.In one possible implementation, first interface can be for local socket LocalSocket, communication service module
Local socket LocalSocket service module.
Include: by the process that first interface is transmitted to the first recording application by the multi-path audio-frequency data in the first buffer pool
Multi-path audio-frequency data is obtained from the first buffer pool, the format for the multi-path audio-frequency data that will acquire is converted to the first recording application institute
The audio format needed, is then transmitted to the first recording by first interface for the multi-path audio-frequency data after formatting and answers
With.
The way of recording provided by the embodiments of the present application, after getting multipath audio signal, by by multipath audio signal
It saves in the first buffer pool being arranged to audio hardware abstract module, so that when the first recording application is used for transmission by what is be arranged
When the first interface of multi-path audio-frequency data requests multi-path audio-frequency data, audio hardware abstract module can be obtained from the first buffer pool
Multipath audio signal is taken, and multipath audio signal is transmitted to by the first recording application by first interface, it can be seen that, the application
The way of recording that embodiment provides can realize the input of the above microphone audio data of two-way by Android system.
It is obtained all the way or the recording application of two-way audio data is answered with being used to obtain the recording of MCVF multichannel voice frequency to be used in
It is independent of each other with when obtaining audio data at the same time, the embodiment of the present application provides another way of recording, referring to Fig. 4, showing
The flow diagram of the way of recording, this method may include:
Step S401: multi-path audio-frequency data is obtained.
When Android system starting, starting recording thread, by recording thread from the audio driver module in audio system
Obtain multi-path audio-frequency data.
Step S402: multi-path audio-frequency data is saved into the first buffer pool, by multi-path audio-frequency data all the way or two
Road audio data is saved into the second buffer pool.
When any buffer pool in the first buffer pool, the second buffer pool is filled up by audio data, with audio number to be saved
According to the audio data saved earliest in the covering buffer pool.
Step S403a:, will be in the first buffer pool when the first recording application requests multi-path audio-frequency data by first interface
Multi-path audio-frequency data the first recording application is transmitted to by first interface.
Wherein, the first recording application can be dedicated for obtaining the recording of the multichannel especially above audio data of two-way and answering
With first interface is the interface for being used for transmission at least two-way audio data that the application is specially arranged.
Step S403b: when the second recording application requests to delay all the way or when two-way audio data by second by second interface
Rush in pond all the way or two-way audio data by second interface are transmitted to the second recording application.
Wherein, the second recording application is acquisition all the way or the application of two-way audio data, second interface are to be used for transmission most
The interface of more two-way audio signals can be existing Android standard interface.
The way of recording provided by the present application makes, and audio hardware abstract module is when getting multipath audio signal, a side
Face saves multi-path audio-frequency data into the first buffer pool, on the other hand, by multi-path audio-frequency data all the way or two-way audio
Data are saved into the second buffer pool, this makes, when the first recording application requests multi-path audio-frequency data by first interface, energy
It is enough that multi-path audio-frequency data is obtained from the first buffer pool, and multi-path audio-frequency data is transmitted to the first recording by first interface and is answered
With when the second recording application requests to obtain from the second buffer pool all the way or when two-way audio data by second interface
It all the way or two-way audio data, and will all the way or two-way audio data by second interface are transmitted to the second recording application.Thus
As it can be seen that the input of the above audio data of two-way not only may be implemented in audio system provided by the present application, moreover, because MCVF multichannel voice frequency
Data are from all the way or two-way audio data are placed in different buffer pools, and therefore, the first recording application and the second recording application are same
When obtain audio data when be independent of each other.
The embodiment of the present application also provides a kind of recording device, which is applied to audio system based on android system
Audio hardware abstract module in system, audio hardware abstract module are provided with the first buffer pool, referring to Fig. 5, showing the dress
The structural schematic diagram set may include: to obtain module 501, the first cache module 502 and the first transmission module 503.
Module 501 is obtained, for obtaining multi-path audio-frequency data.
First cache module 502, for saving multi-path audio-frequency data into the first buffer pool.
First transmission module 503 is used for when the first recording application requests multi-path audio-frequency data by first interface, by institute
The multi-path audio-frequency data stated in the first buffer pool is transmitted to first recording application by the first interface.
Wherein, first interface is the interface for being used for transmission at least two-way audio signal.
Recording device provided by the present application is set after getting multipath audio signal by the way that multipath audio signal to be placed on
In the first buffer pool set, so that when the first recording application is asked by the first interface for being used for transmission multi-path audio-frequency data of setting
When seeking multi-path audio-frequency data, multipath audio signal can be obtained from the first buffer pool, and passes through first interface for MCVF multichannel voice frequency
Signal is transmitted to the first recording application, it can be seen that, the application can realize the defeated of the above audio data of two-way by Android system
Enter.
It is obtained all the way or the recording application of two-way audio data is answered with being used to obtain the recording of MCVF multichannel voice frequency to be used in
It is independent of each other with when obtaining audio data at the same time, recording device provided by the above embodiment can also include: the second caching mould
Block and the second transmission module.
Second cache module, for by the multi-path audio-frequency data all the way or two-way audio data are saved to
In two buffer pools.
Second transmission module, for when the second recording application by second interface request all the way or two-way audio data
When, by second buffer pool all the way or two-way audio data by the second interface be transmitted to it is described second recording answer
With.
Wherein, the second interface is the interface for being used for transmission most two-way audio signals.
In recording device provided by the above embodiment, the first cache module delays saving multi-path audio-frequency data to first
When rushing pond, if the first buffer pool is filled up by audio data, with audio data covering the first buffering to be saved to the buffer pool
The audio data saved earliest in pond.
Similarly, the second cache module, by the multi-path audio-frequency data all the way or two-way audio data save to
When the second buffer pool, if the second buffer pool is filled up by audio data, covered in the second buffer pool most with audio data to be saved
The audio data early saved.
In recording device provided by the above embodiment, module is obtained, is specifically used for the starting when Android system starting
Recording thread obtains the multi-path audio-frequency data from the audio driver module in the audio system by the recording thread.
In recording device provided by the above embodiment, the first transmission module is specifically used for logical in first recording application
It crosses after first interface establishes connection with corresponding communication service module, by being based on the first interface and the communication service mould
The communication channel that block is established, is transmitted to first recording application for the multi-path audio-frequency data.
The embodiment of the invention also provides a kind of sound pick-up outfits, referring to Fig. 6, the structural schematic diagram of the equipment is shown,
The equipment may include: memory 601 and processor 602.
Memory 601, for storing program；
Processor 602, for executing described program, described program is specifically used for:
Obtain multi-path audio-frequency data；
The multi-path audio-frequency data is saved into the first buffer pool；
When the first recording application requests multi-path audio-frequency data by first interface, described in first buffer pool
Multi-path audio-frequency data is transmitted to first recording application by the first interface, wherein the first interface is for passing
Transport to the interface of few two-way audio signal.
Sound pick-up outfit can also include: bus, communication interface 603, input equipment 604 and output equipment 606.
Processor 602, memory 601, communication interface 603, input equipment 604 and output equipment 606 are mutual by bus
Connection.Wherein:
Bus may include an access, transmit information between computer system all parts.
Processor 602 can be general processor, such as general central processor (CPU), microprocessor etc., be also possible to
Application-specific integrated circuit (application-specific integrated circuit, ASIC), or one or more use
In the integrated circuit that control the present invention program program executes.It can also be digital signal processor (DSP), specific integrated circuit
(ASIC), ready-made programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components.
Processor 602 may include primary processor, may also include baseband chip, modem etc..
The program for executing technical solution of the present invention is preserved in memory 601, can also preserve operating system and other
Key business.Specifically, program may include program code, and program code includes computer operation instruction.More specifically, it stores
Device 601 may include read-only memory (read-only memory, ROM), the other types that can store static information and instruction
Static storage device, random access memory (random access memory, RAM), can store information and instruction its
The dynamic memory of his type, magnetic disk storage, flash etc..
Input equipment 604 may include receive user input data and information device, such as keyboard, mouse, camera,
Scanner, light pen, speech input device, touch screen, pedometer or gravity sensor etc..
Output equipment 606 may include allowing output information to the device, such as display screen, loudspeaker etc. of user.
Communication interface 603 may include using the device of any transceiver one kind, so as to logical with other equipment or communication network
Letter, such as Ethernet, wireless access network (RAN), WLAN (WLAN) etc..
Processor 602 executes the program stored in memory 601, and calls other equipment, can be used for realizing this Shen
Please the way of recording provided by embodiment each step.
Present invention also provides a kind of readable storage medium storing program for executing, are stored thereon with computer program, the computer program quilt
When processor executes, each step of the way of recording of above-described embodiment is realized.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment emphasis is said
Bright is the difference from other embodiments, and the same or similar parts in each embodiment may refer to each other.
Herein, relational terms such as first and second and the like be used merely to by an entity or operation with it is another
One entity or operation distinguish, and without necessarily requiring or implying between these entities or operation, there are any this reality
Relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (13)
1. a kind of way of recording, which is characterized in that be abstracted mould applied to the audio hardware in audio system based on android system
Block, which comprises
Obtain multi-path audio-frequency data；
The multi-path audio-frequency data is saved into the first buffer pool；
When the first recording application requests multi-path audio-frequency data by first interface, by the multichannel in first buffer pool
Audio data is transmitted to first recording application by the first interface, wherein the first interface be used for transmission to
The interface of few two-way audio signal.
2. the way of recording according to claim 1, which is characterized in that further include:
By in the multi-path audio-frequency data all the way or two-way audio data are saved into the second buffer pool；
When the second recording application is requested by second interface all the way or when two-way audio data, by one in second buffer pool
Road or two-way audio data are transmitted to second recording application by the second interface, wherein the second interface is to use
In the interface for transmitting most two-way audio signals.
3. the way of recording according to claim 2, which is characterized in that further include:
When any buffer pool in first buffer pool, second buffer pool is filled up by audio data, with sound to be saved
The audio data saved earliest in the frequency data cover buffer pool.
4. the way of recording according to claim 1 or 2, which is characterized in that the acquisition multi-path audio-frequency data, comprising:
When Android system starting, starting recording thread；
The multi-path audio-frequency data is obtained from the audio driver module in the audio system by the recording thread.
5. the way of recording according to claim 1 or 2, which is characterized in that the method also includes: when the Android system
When starting, start communication service module corresponding with the first interface；
The multi-path audio-frequency data by first buffer pool is transmitted to first record by the first interface
Sound application, comprising:
After first recording application establishes connection by first interface and the communication service module, by based on described the
The multi-path audio-frequency data is transmitted to first recording and answered by the communication channel that one interface and the communication service module are established
With.
6. a kind of recording device, which is characterized in that applied to the audio in the audio system of smart machine based on android system
Hardware abstraction layer, comprising: obtain module, the first cache module and the first transmission module；
The acquisition module, for obtaining multi-path audio-frequency data；
First cache module, for saving the multi-path audio-frequency data into the first buffer pool；
First transmission module is used for when the first recording application requests multi-path audio-frequency data by first interface, will be described
The multi-path audio-frequency data in first buffer pool is transmitted to first recording application by the first interface, wherein institute
Stating first interface is the interface for being used for transmission at least two-way audio signal.
7. recording device according to claim 6, which is characterized in that further include: the second cache module and the second transmission mould
Block；
Second cache module, for by the multi-path audio-frequency data all the way or two-way audio data save to second and delay
It rushes in pond；
Second transmission module, for when the second recording application is by second interface request all the way or when two-way audio data,
By in second buffer pool all the way or two-way audio data by the second interface are transmitted to second recording application,
Wherein, the second interface is the interface for being used for transmission most two-way audio signals.
8. a kind of audio system of smart machine based on android system, which is characterized in that include at least: audio hardware is abstracted mould
Block, audio driver module and multiple analog-to-digital conversion modules, wherein the audio hardware abstract module is provided with the first buffer pool,
The corresponding microphone of each analog-to-digital conversion module；
The analog-to-digital conversion module, for obtaining the analog audio signal of corresponding microphone acquisition, by the analog audio signal
Be converted to digital audio and video signals；
The audio driver module, for obtaining the multi-path audio-frequency data of the multiple analog-to-digital conversion module output；
The audio hardware abstract module will be described more for obtaining the multi-path audio-frequency data from the audio driver module
Road audio data is saved into the first buffer pool；And when the first recording application requests multi-path audio-frequency data by first interface
When, the multi-path audio-frequency data in first buffer pool is transmitted to first recording by the first interface and is answered
With, wherein the first interface is used for transmission at least two-way audio signal.
9. audio system according to claim 8, which is characterized in that the audio hardware abstract module is additionally provided with second
Buffer pool；
The audio hardware abstract module, be also used to by the multi-path audio-frequency data all the way or two-way audio data save to
In second buffer pool；And when the second recording application is requested all the way or when two-way audio data by second interface, by described the
In two buffer pools all the way or two-way audio data by the second interface are transmitted to second recording application, wherein institute
It states second interface and is used for transmission most two-way audio signals.
10. audio system according to claim 8 or claim 9, which is characterized in that the audio hardware abstract module, it is specific to use
In in Android system starting, starting recording thread obtains institute from the audio driver module by the recording thread
State multi-path audio-frequency data.
11. audio system according to claim 8 or claim 9, which is characterized in that the audio system is provided with and described first
The corresponding communication service module of interface；
The audio hardware abstract module is specifically used for starting the communication service module in Android system starting, when
After first recording application establishes connection by the first interface and the communication service module, by being based on described first
The communication channel that interface and the communication service are established, is transmitted to first recording application for the multi-path audio-frequency data.
12. a kind of sound pick-up outfit characterized by comprising memory and processor；
The memory, for storing program；
The processor, for executing described program, described program is specifically used for:
Obtain multi-path audio-frequency data；
The multi-path audio-frequency data is saved into the first buffer pool；
When the first recording application requests multi-path audio-frequency data by first interface, by the multichannel in first buffer pool
Audio data is transmitted to first recording application by the first interface, wherein the first interface be used for transmission to
The interface of few two-way audio signal.
13. a kind of readable storage medium storing program for executing, is stored thereon with computer program, which is characterized in that the computer program is processed
When device executes, each step such as the way of recording according to any one of claims 1 to 5 is realized.
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| CN201811124626.8A CN109378017B (en) | 2018-09-26 | 2018-09-26 | Recording method, recording device, audio system, recording equipment and storage medium |
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