CN108446092A - Audio-frequency inputting method, audio output device, equipment and storage medium - Google Patents
Audio-frequency inputting method, audio output device, equipment and storage medium Download PDFInfo
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- CN108446092A CN108446092A CN201810183893.6A CN201810183893A CN108446092A CN 108446092 A CN108446092 A CN 108446092A CN 201810183893 A CN201810183893 A CN 201810183893A CN 108446092 A CN108446092 A CN 108446092A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
Abstract
This application discloses a kind of audio-frequency inputting method, audio output device, equipment and storage mediums.The audio-frequency inputting method, method include：Multi-path audio-frequency data is decoded into PCM audio data respectively；According to the output channel information of each audio data, it is packaged PCM audio data respectively, the data after packing are known as PCM transmission packets, and PCM transmission packets include output channel information；According to the output channel information of PCM transmission packets, corresponding audio frequency process is carried out to PCM audio data, and export to corresponding audio output apparatus, to realize while play audio.According to technical solution provided by the embodiments of the present application, front end is packaged into PCM transmission packets by being decoded to different audio datas, includes output channel information in transmission packet；Rear end by the way that audio frequency process corresponding with output channel information is arranged can solve that under existing terminal device multi-screen pattern audio issue cannot be played simultaneously.
Description
Technical field
The present disclosure relates generally to field of audio play more particularly to audio-frequency inputting method, audio output device, equipment and deposit
Storage media.
Background technology
Terminal device (such as intelligent TV set, mobile phone, tablet computer pad, personal computer PC with voice call function
Deng) support the output of a variety of audio frequency apparatuses.One station terminal equipment inherently carries earphone, loud speaker, multiple sound such as bluetooth headset
Sound output equipment adds omnifarious external device, such as by HDMI audio output, and bluetooth, the modes such as wifi connect,
The output of sound is set to have more diversity.Terminal device provides a set of audio control to support so many audio frequency apparatus to connect
The automatic switchover of audio frequency apparatus may be implemented by case mechanism for frame processed and mechanism, can also realize the active of user class
Switching.
Although providing voice-grade channel handover mechanism, the multi-screen in the case of can not being shown for multi-screen is different plays correspondence simultaneously
Audio.Even if it is also the audio mixed to have audio output, user experience is excessively poor.
Invention content
In view of drawbacks described above in the prior art or deficiency, it is intended to provide audio output side that is a kind of while playing Multi-audio-frequency
Method, audio output device, equipment and storage medium.
In a first aspect, providing a kind of audio-frequency inputting method, method includes：
Multi-path audio-frequency data is decoded into PCM audio data respectively；
According to the output channel information of each audio data, it is packaged PCM audio data respectively, the data after packing are known as PCM
Transmission packet, PCM transmission packets include output channel information；
According to the output channel information of PCM transmission packets, corresponding audio frequency process is carried out to PCM audio data, and export extremely
Corresponding audio output apparatus, to realize while play audio.
In one embodiment of the invention or multiple embodiments, according to the output channel information of each audio data, respectively
Being packaged PCM audio data includes：
Set output channel information, counter and data length in the packet header of PCM transmission packets, counter is passed for recording
The number of defeated packet, convenient for by played in order audio is packaged, data length is used to record the size of PCM data in transmission packet；
PCM audio data is formed to the data of fixed size, and as the data of PCM transmission packets.
In one embodiment of the invention or multiple embodiments, according to the output channel information of PCM transmission packets, to PCM
Audio data carries out corresponding audio frequency process：
According to counter information, PCM is transmitted into packet and is preserved to buffer；
PCM transmission packet in buffer is respectively sent to corresponding channel injector, channel note according to output channel information
Enter device and is respectively arranged with channel injector for configuring the audio output setting needed for output channel, each voice-grade channel.
In one embodiment of the invention or multiple embodiments, according to counter information, PCM is transmitted into packet and is preserved to slow
Rushing device includes：
According to counter values, with ascending order buffer PCM transmission packets.
In one embodiment of the invention or multiple embodiments, the audio output setting packet needed for output channel is set
It includes：Sample rate, voice-grade channel number and the sampling resolution of injector are set.
In one embodiment of the invention or multiple embodiments, buffer uses the circular buffer of first in first out.
Second aspect, provides a kind of audio output device, and device includes：
Decoding unit：It is configured to multi-path audio-frequency data being decoded into PCM audio data respectively；
Packaged unit：It is configured to the output channel information according to each audio data, PCM audio data is packaged respectively, beats
Data after packet are known as PCM transmission packets, and PCM transmission packets include output channel information；
Output unit：It is configured to the output channel information according to PCM transmission packets, PCM audio data is carried out corresponding
Audio frequency process, and export to corresponding audio output apparatus, to realize while play audio.
In one embodiment of the invention or multiple embodiments, packaged unit includes：
Determine packet header unit：It is configured to set output channel information, counter and data length to PCM transmission packets
Packet header, counter are used to record the number of transmission packet, convenient for by played in order audio is packaged, data length is for recording transmission packet
The size of middle PCM data；
Determine data cell：It is configured to forming PCM audio data into the data of fixed size, and transmits and wrap as PCM
Data.
In one embodiment of the invention or multiple embodiments, output unit includes：
Buffer cell：It is configured to according to counter information, PCM, which is transmitted packet, to be preserved to buffer；
Injection unit：The PCM transmission packets being configured in buffer are respectively sent to corresponding according to output channel information
Channel injector, channel injector are used to configure the audio output setting needed for output channel, and each voice-grade channel is respectively set
There is channel injector.
In one embodiment of the invention or multiple embodiments, buffer cell includes：
Sequencing unit：It is configured to according to counter values, PCM transmission packets is preserved with ascending sequence.
In one embodiment of the invention or multiple embodiments, injection unit includes：
Setting unit：It is configured to sample rate, voice-grade channel number and the sampling resolution of setting injector.
In one embodiment of the invention or multiple embodiments, buffer uses the circular buffer of first in first out.
The third aspect, provides a kind of audio-frequence player device, and equipment includes：
One or more processors；
Memory, for storing one or more programs,
When one or more programs are executed by one or more processors so that one or more processors execute this hair
Audio-frequency inputting method in each embodiment of bright offer.
Fourth aspect provides a kind of computer readable storage medium being stored with computer program, which is characterized in that the journey
The audio-frequency inputting method in each embodiment provided by the invention is realized when sequence is executed by processor.
According to technical solution provided by the embodiments of the present application, front end is packaged by being decoded to different audio datas
PCM transmission packets, it includes output channel information to transmit in packet；Rear end by the way that corresponding with output channel information audio frequency process is arranged,
It can solve that under existing terminal device multi-screen pattern audio issue cannot be played simultaneously.
Description of the drawings
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 shows the exemplary process diagram of the audio-frequency inputting method according to the embodiment of the present application；
Fig. 2 shows the packaging method exemplary process diagrams according to the step S20 of the embodiment of the present application；
Fig. 3 shows the illustrative diagram according to the PCM of the embodiment of the present application transmission packets；
Fig. 4 shows the output method exemplary process diagram of the step S30 according to the embodiment of the present application；
Fig. 5 shows the way to play for time exemplary process diagram of the step S301 according to the embodiment of the present application；
Fig. 6 shows the exemplary process diagram of the audio-frequency inputting method according to another embodiment of the application；
Fig. 7 shows the exemplary block diagram of the audio output device according to the embodiment of the present application；
Fig. 8 shows the exemplary block diagram of the audio-frequence player device according to the embodiment of the present application.
Specific implementation mode
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, is illustrated only in attached drawing and invent relevant part.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to FIG. 1, showing the exemplary process diagram of the audio-frequency inputting method according to the embodiment of the present application.As schemed
Show, which includes：
Step S10：Multi-path audio-frequency data is decoded into PCM (Pulse Code Modulation, pulse code tune respectively
System) audio data；
Step S20：According to the output channel information of each audio data, it is packaged PCM audio data respectively, the data after packing
Referred to as PCM transmission packets, PCM transmission packets include output channel information；
Step S30：According to the output channel information of PCM transmission packets, corresponding audio frequency process is carried out to PCM audio data,
And export to corresponding audio output apparatus, to realize while export different audios.
In step S10, it would be desirable to while the audio data played is decoded into PCM audio data.In practical application, when specified
After played file, the compressed format of the audio file being judged, and selecting corresponding algorithm, audio played file is converted in real time
At PCM data.It is understood that the played file can be any number, to meet the needs of different screen quantity.That is,
If played file is that 2 can be double screen while play audio, if played file is that 3 can be three screens while play audio,
Can and so on.
In step S20, PCM transmission packets are packaged into transformed PCM audio data, include output in PCM transmission packets
Channel information can judge the output equipment of audio, i.e. output channel information and audio output apparatus by output channel information
It is corresponding.
The audio frequency process of corresponding channel is carried out according to the output channel information of PCM transmission packets in step S30, is realized not
The purpose of audio is played on same audio output apparatus simultaneously.
It please refers to Fig.2 and Fig. 3, wherein figure 2 show the packaging method of the step S20 according to the embodiment of the present application is exemplary
Flow chart；Fig. 3 shows the illustrative diagram according to the PCM of the embodiment of the present application transmission packets；.The packaging method as shown in the figure
Including：
Step S201：Set output channel information, counter and data length in the packet header of PCM transmission packets, counter
Number for recording transmission packet, convenient for by played in order audio is packaged, data length is used to record PCM data in transmission packet
Size；
Step S202：PCM audio data is formed to the data of fixed size, and as the data of PCM transmission packets.
Packing is that the PCM data of fixed size is added packet header, forms transmission packet, is distinguished convenient for transmission and voice-grade channel.
Its format is as shown in figure 3, channel number refers to the transmission packet to be exported by which kind of audio frequency output channel；Counter is that record is current
The number for the transmission packet being packaged, convenient for playing PCM data in sequence；Data length has recorded entrained by the transmission packet
The size of PCM data.
Next referring to Fig. 4, the output method exemplary process diagram of the step S30 according to the embodiment of the present application is shown.
As shown, the output method includes：
Step S301：According to counter information, PCM is transmitted into packet and is preserved to buffer；
Step S302：PCM transmission packet in buffer is respectively sent to corresponding channel according to output channel information and injects
Device, channel injector are used to configure the audio output setting needed for output channel, and each voice-grade channel is respectively arranged with channel note
Enter device.
In step S301, transmission packet is stored to the real-time packing sequence of multichannel playing audio-fequency data according to step S20.
In step S302, corresponding channel injector, such as configurable HDMI notes are configured for each audio frequency output channel
Enter device, earphone injector, loud speaker injector, bluetooth headset injector etc..Each channel injector includes at least two work(
Energy：First, relevant PCM data is injected into the audio frequency output channel, and the audio output configured needed for the output channel is set
It sets；Second is that opening the audio frequency output channel.
The following illustrative workflow for providing channel injector：
Corresponding audio decoder is set according to the injector type, which decodes PCM audio data
For playable analog audio data.
According to the sample rate of the entrained PCM data format setting injector of transmission packet, port number, sampling resolution.
Start the PCM data in injection transmission packet.
Remaining available Injection Space is inquired, if it is greater than the PCM data size to be injected, then continues to inject, otherwise
It waits for.
If no data is desirable in buffer, stop operation.
If not using the injector, shutoff operation is carried out.
Referring to FIG. 5, showing the way to play for time exemplary process diagram of the step S301 according to the embodiment of the present application.Such as figure
Shown, way to play for time includes：
Step S401：According to counter values, with ascending order buffer PCM transmission packets.
In step S401, the transmission packet stored every time is ranked up according to the size of counter.So that PCM in buffer
It transmits packet preservation sequence and is packaged sequence consensus.
Specifically, circular buffer can be used in buffer, and the sequence of transmission packet is realized with data link table.Each audio is defeated
Go out channel and correspond to a data link table, such as needs to play two audios, two data link tables can be used and store audio data respectively.
Referring to FIG. 6, showing the exemplary process diagram of the audio-frequency inputting method of another embodiment.In order to make it easy to understand,
Provide application of the audio-frequency inputting method in the easily aobvious field of double screen of the present invention.In the present embodiment, including needing to be played in respectively big
The audio played file 1 and audio played file 2 of screen and smaller screen, audio output are supported HDMI audio output, earphone output, are raised
The equipment such as the output of sound device, bluetooth headset output and other outputs.It is preserved into circular buffer after decoded and packing.In annular
Buffer, transmission packet is preserved with the sequence for decoding packing, and is sent in the channel injector corresponding to output channel information,
Transmission packet 1 in middle buffer corresponds to the decoding packaged data packet of played file 1, and the decoding of 2 correspondence played file 2 of transmission packet is beaten
Bag data packet.Two audio played files involved in the present embodiment, therefore corresponding channel injector is also two.This implementation
Selected audio output apparatus is HDMI audio output apparatus and earphone output equipment in example, and corresponding channel injection is arranged
Device.It should be noted that transmission packet is actually answered in such a way that transmission packet 1 and transmission packet 2 alternately preserve in circular buffer
In, it can also preserve with custom, here save location not limited respectively as needed.After injector is handled, in audio
Output equipment plays single audio frequency, solves the problems, such as that existing broadcasting mechanism is played when playing Multi-audio-frequency and mixes audio.
A kind of audio output device of the present invention offer.Referring to FIG. 7, showing defeated according to the audio of the embodiment of the present application
Go out the exemplary block diagram of device 100.As shown, a kind of audio output device includes：
Decoding unit 110：It is configured to multi-path audio-frequency data being decoded into PCM audio data respectively；
Packaged unit 120：It is configured to the output channel information according to each audio data, is packaged PCM audio data respectively,
Data after packing are known as PCM transmission packets, and PCM transmission packets include output channel information；
Output unit 130：It is configured to the output channel information according to PCM transmission packets, PCM audio data is carried out corresponding
Audio frequency process, and export to corresponding audio output apparatus, to realize while play audio.
Audio output device 100 shown in Fig. 7, which can correspond to, executes audio-frequency inputting method shown in FIG. 1.
In some embodiments, packaged unit 120 includes：
Determine packet header unit 121：It is configured to set output channel information, counter and data length to PCM transmission
The packet header of packet, counter are used to record the number of transmission packet, convenient for by played in order audio is packaged, data length is passed for recording
The size of PCM data in defeated packet；
Determine data cell 122：It is configured to forming PCM audio data into the data of fixed size, and is transmitted as PCM
The data of packet.
Packaged unit 120 shown in Fig. 7, which can correspond to, executes packaging method shown in Fig. 2.
In some embodiments, output unit 130 includes：
Buffer cell 131：It is configured to according to counter information, PCM, which is transmitted packet, to be preserved to buffer；
Injection unit 132：The PCM transmission packets being configured in buffer are respectively sent to correspond to according to output channel information
Channel injector, channel injector is used to configure the audio output setting needed for output channel, and each voice-grade channel sets respectively
It is equipped with channel injector.
In some embodiments, buffer cell 131 includes：
Sequencing unit：It is configured to according to counter values, PCM transmission packets is preserved with ascending sequence.
In some embodiments, injection unit 132 includes：
Setting unit：It is configured to sample rate, voice-grade channel number and the sampling resolution of setting injector.
In some embodiments, buffer uses circular buffer.
Fig. 8 is turned next to, shows the exemplary block diagram of the audio-frequence player device according to the embodiment of the present application.
As shown in figure 8, as on the other hand, present invention also provides a kind of equipment 200, including one or more centres
Unit (CPU) 201 is managed, can be added according to the program being stored in read-only memory (ROM) 202 or from storage section 208
The program that is downloaded in random access storage device (RAM) 203 and execute various actions appropriate and processing.In RAM 203, also deposit
It contains system 200 and operates required various programs and data.CPU 201, ROM202 and RAM 203 by bus 204 each other
It is connected.Input/output (I/O) interface 205 is also connected to bus 204.
It is connected to I/O interfaces 205 with lower component：Importation 206 including keyboard, mouse etc.；It is penetrated including such as cathode
The output par, c 207 of spool (CRT), liquid crystal display (LCD) etc. and loud speaker etc.；Storage section 208 including hard disk etc.；
And the communications portion 209 of the network interface card including LAN card, modem etc..Communications portion 209 via such as because
The network of spy's net executes communication process.Driver 210 is also according to needing to be connected to I/O interfaces 205.Detachable media 211, such as
Disk, CD, magneto-optic disk, semiconductor memory etc. are mounted on driver 210, as needed in order to be read from thereon
Computer program be mounted into storage section 208 as needed.
Particularly, in accordance with an embodiment of the present disclosure, it may be implemented as computer software above with reference to the process of Fig. 1 descriptions
Program.For example, embodiment of the disclosure includes a kind of computer program product comprising be tangibly embodied in machine readable media
On computer program, computer program includes program code for executing audio-frequency inputting method.In such embodiments,
The computer program can be downloaded and installed by communications portion 209 from network, and/or be pacified from detachable media 211
Dress.
Flow chart in attached drawing and block diagram, it is illustrated that according to the system of various embodiments of the invention, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part for a part for one module, program segment, or code of table, the module, program segment, or code includes one or more
Executable instruction for implementing the specified logical function.It should also be noted that in some implementations as replacements, institute in box
The function of mark can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are practical
On can be basically executed in parallel, they can also be executed in the opposite order sometimes, this is depended on the functions involved.Also it wants
It is noted that the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart, Ke Yiyong
The dedicated hardware based system of defined functions or operations is executed to realize, or can be referred to specialized hardware and computer
The combination of order is realized.
As on the other hand, present invention also provides a kind of computer readable storage medium, the computer-readable storage mediums
Matter can be computer readable storage medium included in device described in above-described embodiment；Can also be individualism, not
The computer readable storage medium being fitted into equipment.There are one computer-readable recording medium storages or more than one journey
Sequence, described program are used for executing the audio-frequency inputting method for being described in the application by one or more than one processor.
Being described in unit or module involved in the embodiment of the present application can be realized by way of software, can also
It is realized by way of hardware.Described unit or module can also be arranged in the processor, for example, each unit can
Can also be the hardware device being separately configured with the software program being provided in computer or intelligent movable equipment.Wherein, this
The title of a little units or module does not constitute the restriction to the unit or module itself under certain conditions.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical solutions of arbitrary combination and formation.Such as features described above has similar work(with (but not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (14)
1. a kind of audio-frequency inputting method, which is characterized in that the method includes：
Multi-path audio-frequency data is decoded into PCM audio data respectively；
According to the output channel information of each audio data, it is packaged the PCM audio data respectively, the data after packing are known as
PCM transmission packets, the PCM transmission packet includes the output channel information；
According to the output channel information of PCM transmission packets, corresponding audio frequency process is carried out to PCM audio data, and export extremely
Corresponding audio output apparatus, to realize while play audio.
2. audio-frequency inputting method according to claim 1, which is characterized in that the output according to each audio data
Channel information, being packaged the PCM audio data respectively includes：
Set the output channel information, counter and data length in the packet header of the PCM transmission packet, the counter is used
In the number of record transmission packet, convenient for by played in order audio is packaged, the data length is for recording PCM data in transmission packet
Size；
The PCM audio data is formed to the data of fixed size, and as the data of PCM transmission packets.
3. audio-frequency inputting method according to claim 2, which is characterized in that the output according to PCM transmission packets
Channel information, carrying out corresponding audio frequency process to PCM audio data includes：
According to the counter information, the PCM is transmitted into packet and is preserved to buffer；
PCM transmission packet in the buffer is respectively sent to corresponding channel according to the output channel information and injects
Device, the channel injector are used to configure the audio output setting needed for output channel, and each voice-grade channel is respectively arranged with logical
Road injector.
4. audio-frequency inputting method according to claim 3, which is characterized in that it is described according to the counter information, by institute
It states PCM transmission packets and preserves to buffer and include：
According to the counter values, with PCM transmission packet described in ascending order buffer.
5. audio-frequency inputting method according to claim 3, which is characterized in that the audio needed for the configuration output channel is defeated
Going out setting includes：Sample rate, voice-grade channel number and the sampling resolution of injector are set.
6. audio-frequency inputting method according to claim 3, which is characterized in that the buffer uses circular buffer.
7. a kind of audio output device, which is characterized in that described device includes：
Decoding unit：It is configured to multi-path audio-frequency data being decoded into PCM audio data respectively；
Packaged unit：It is configured to the output channel information according to each audio data, is packaged the pcm audio number respectively
According to the data after packing are known as PCM transmission packets, and the PCM transmission packet includes the output channel information；
Output unit：It is configured to the output channel information according to PCM transmission packets, PCM audio data is carried out corresponding
Audio frequency process, and export to corresponding audio output apparatus, to realize while play audio.
8. audio output device according to claim 7, which is characterized in that the packaged unit includes：
Determine packet header unit：It is configured to set the output channel information, counter and data length to the PCM transmission
The packet header of packet, the counter are used to record the number of transmission packet, convenient for by played in order audio is packaged, the data length is used
The size of PCM data in record transmission packet；
Determine data cell：It is configured to forming the PCM audio data into the data of fixed size, and is passed as the PCM
The data of defeated packet.
9. audio output device according to claim 8, which is characterized in that the output unit includes：
Buffer cell：It is configured to according to the counter information, the PCM, which is transmitted packet, to be preserved to buffer；
Injection unit：The PCM transmission packets being configured in the buffer are sent respectively according to the output channel information
To corresponding channel injector, the channel injector is used to configure the audio output setting needed for output channel, each audio
Channel is respectively arranged with channel injector.
10. audio output device according to claim 9, which is characterized in that the buffer cell includes：
Sequencing unit：It is configured to according to the counter values, the PCM transmission packet is preserved with ascending sequence.
11. audio output device according to claim 9, which is characterized in that the injection unit includes：
Setting unit：It is configured to sample rate, voice-grade channel number and the sampling resolution of setting injector.
12. audio output device according to claim 9, which is characterized in that the buffer uses circular buffer.
13. a kind of audio-frequence player device, which is characterized in that the equipment includes：
One or more processors；
Memory, for storing one or more programs,
When one or more of programs are executed by one or more of processors so that one or more of processors
Execute the audio-frequency inputting method as described in any one of claim 1-6.
14. a kind of computer readable storage medium being stored with computer program, which is characterized in that the program is executed by processor
Shi Shixian audio-frequency inputting methods as described in any one of claim 1-6.
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| CN112533056A (en) * | 2019-09-17 | 2021-03-19 | 海信视像科技股份有限公司 | Display device and sound reproduction method |
| CN116471351A (en) * | 2022-01-10 | 2023-07-21 | 荣耀终端有限公司 | Method and device for transmitting call audio data |
| CN116471351B (en) * | 2022-01-10 | 2024-04-09 | 荣耀终端有限公司 | Method and device for transmitting call audio data |
| CN114697401A (en) * | 2022-03-14 | 2022-07-01 | 广州广哈通信股份有限公司 | Audio data transmission method |
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