CN107277691A - Multichannel audio player method, system and audio frequency net gate way apparatus based on cloud - Google Patents
Multichannel audio player method, system and audio frequency net gate way apparatus based on cloud Download PDFInfo
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- CN107277691A CN107277691A CN201710656991.2A CN201710656991A CN107277691A CN 107277691 A CN107277691 A CN 107277691A CN 201710656991 A CN201710656991 A CN 201710656991A CN 107277691 A CN107277691 A CN 107277691A
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- 230000005236 sound signal Effects 0.000 claims abstract description 60
- 230000000694 effects Effects 0.000 claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims abstract description 8
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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Abstract
The invention discloses a kind of multichannel audio player method, system and audio frequency net gate way apparatus based on cloud, the player method comprises the following steps：Multichannel audio bit stream is divided into the monophonic audio bit stream and metadata information of respective numbers；The monophonic audio bit stream and corresponding metadata information of identical subject identification will be belonged to audio frequency net gate way apparatus is sent to by network；Audio frequency net gate way apparatus is according to the multiple monophonic audio bit streams and corresponding metadata information that belong to identical subject identification received, the synchronous corresponding multiple monophonic audio signals of generation；Multiple monophonic audio signals of identical subject identification will be belonged to corresponding wireless sound box is sent to by different wave points.The play system of the present invention, multiple monophonic audio signals are obtained after multichannel audio is handled, wireless sound box is sent to by different interfaces, the decoding and broadcasting of multichannel audio is realized, high-quality music is provided in the case where cost is low or video listens to effect.
Description
Technical field
The invention belongs to multichannel audio field, and in particular to a kind of multichannel audio player method based on cloud, be based on
The multichannel audio play system and audio frequency net gate way apparatus and cloud audio frequency process platform of cloud.
Background technology
Sound channel system is from monophonic system to multi-channel system evolution, traditional multi-channel encoder form such as DTS, AC-3 etc.
The decoding and broadcasting of multichannel audio must be carried out by way of chip hard decoder.High-quality surround sound is listened to, is needed
Professional equipment is wanted, but professional equipment price is very high, and domestic consumer can not often undertake.The application is to ensure relative high quality
On the premise of listening experience, the too high technical problem of hardware decoding scheme cost is solved.
The content of the invention
The invention aims to solve the high technology of the hardware decoding scheme cost based on chip in the prior art to ask
Topic, provides a kind of cost low stereo-circulation sound service for music-lover, and the present invention provides a kind of multichannel sound based on cloud
Frequency player method.
Present invention also offers a kind of multichannel audio play system based on cloud.
Present invention also offers a kind of audio frequency net gate way apparatus.
Present invention also offers a kind of cloud audio frequency process platform.
In order to reach above-mentioned technique effect, the present invention takes following technical scheme：
A kind of multichannel audio player method based on cloud, comprises the following steps：
Multichannel audio bit stream is divided into the monophonic audio bit stream and metadata information of respective numbers, wherein described
Metadata information include：Subject identification, sound channel mark, number of channels, time synchronization information；
The monophonic audio bit stream and corresponding metadata information that belong to identical subject identification are sent to by network
Audio frequency net gate way apparatus；
Audio frequency net gate way apparatus is according to the multiple monophonic audio bit streams for belonging to identical subject identification received and accordingly
Metadata information, the synchronous corresponding multiple monophonic audio signals of generation；
The multiple monophonic audio signals for belonging to identical subject identification are sent to accordingly by different wave points
Wireless sound box.
In described player method, further technical scheme is that described monophonic audio bit stream is following
Meaning one：Left audio bit stream, right channel audio bitstream, middle channel audio bit stream, a left side are around channel audio bit
Stream, right surround channel audio bit stream, low frequency effects channel audio bitstream, left subsequent channel audio bitstream and rear right channel
Audio bitstream.
In described player method, further technical scheme is that described wave point is blue tooth interface.
The invention provides a kind of audio frequency net gate way apparatus, including：
Second network communication unit, for receiving monophonic audio bit stream and corresponding metadata information；It is wherein described
Metadata information include：Subject identification, sound channel mark, number of channels, time synchronization information；Described monophonic audio bit
Flow for following any one：Left audio bit stream, right channel audio bitstream, middle channel audio bit stream, left surround sound
Channel audio bitstream, right surround channel audio bit stream, low frequency effects channel audio bitstream, left subsequent channel audio bitstream with
And rear right channel audio bitstream；
Processing unit is more for the multiple monophonic audio bit streams for belonging to identical subject identification received to be changed into
Individual monophonic audio signal；For according to the metadata information that receives and being pre-configured with, synchronously send and belong to identical theme
The corresponding monophonic audio signal of mark is to wave point；
Synchronization unit, for according to the metadata information that receives and being pre-configured with, control belongs to identical subject identification
The synchronized transmission of multiple monophonic audio signals；
Wave point, for multiple different monophonic audio signals by identical subject identification is belonged to wirelessly
Export to corresponding wireless sound box.
In described audio frequency net gate way apparatus, further technical scheme is that the second described network communication unit is also wrapped
Include at least one following：WIFI module, 5G modules and/or network interface.
In described audio frequency net gate way apparatus, further technical scheme is that described wave point includes the first bluetooth
Interface, the second blue tooth interface and/or the 3rd blue tooth interface；
The first described blue tooth interface, for the first channel audio signal for belonging to identical subject identification to be passed through into wireless parties
Formula exports the first wireless sound box；For the second sound channel audio signal for belonging to identical subject identification wirelessly to be exported into
Two wireless sound boxes；
The second described blue tooth interface, for that will belong to triple-track audio signal, wirelessly to export the 3rd wireless
Audio amplifier；For the falling tone audio channel signal for belonging to identical subject identification wirelessly to be exported into the 4th wireless sound box；
The 3rd described blue tooth interface, for that will belong to fifth sound audio channel signal, wirelessly to export the 5th wireless
Audio amplifier；For the six-channel audio for belonging to identical subject identification wirelessly to be exported into the 6th wireless sound box.
In described audio frequency net gate way apparatus, when multichannel is 5.1 sound channels, described is preconfigured to：
First channel audio signal is left channel audio signal, and the first wireless sound box puts wireless sound box to be left front；
Second sound channel audio signal is right channel audio signal, and the second wireless sound box is right preposition wireless sound box；
Triple-track audio signal is left cincture audio signals, and the 3rd wireless sound box is to be left around wireless sound box；
Falling tone audio channel signal is right surround audio signal, and the 4th wireless sound box is right surround wireless sound box；
Fifth sound audio channel signal is middle channel audio signal, and the 5th wireless sound box puts wireless sound box in being；
Six-channel audio is low frequency effects channel audio signal, and the 6th wireless sound box is bass wireless sound box.
Present invention also offers a kind of cloud audio frequency process platform, including：
First network communication unit, for receiving audio playing request, the audio playing request comprise at least subject,
Subject identification；Send the multiple monophonic audio bit streams and metadata information for belonging to identical subject identification；
Decoding unit, monophonic audio bit stream and metadata for multichannel audio bit stream to be divided into respective numbers
Information, wherein, the metadata information includes：Subject identification, sound channel mark, number of channels, time synchronization information；
Processing unit, for according to the audio playing request, obtaining the corresponding multichannel sound of the audio playing request
Frequency bit stream；Indicate that described multichannel audio bit stream is divided into the monophonic audio bit of respective numbers by the decoding unit
Stream；
Storehouse is cached, for caching the monophonic audio bit stream for belonging to identical subject identification that the decoding unit is decoded
And respective meta-data information.
At a kind of multichannel audio play system based on cloud, including described audio frequency net gate way apparatus and described cloud audio
Platform.
The present invention compared with prior art, with following beneficial effect：
The play system of the present invention, obtains multiple monophonic audio signals, and pass through after multichannel audio is handled
Different interfaces are sent to wireless sound box, realize the decoding and broadcasting of multichannel audio, are provided in the case where cost is low
High-quality music or video listen to effect.
Brief description of the drawings
Fig. 1 is the block diagram of one embodiment of the multichannel audio play system of the invention based on cloud；
Wherein, 100- clouds audio frequency process platform；102- audio-sources；104- networks；106- user equipmenies；108- audio frequency net gate ways
Device；The wireless sound boxes of 110A- first；The wireless sound boxes of 110B- second；The wireless sound boxes of 110F- the 6th.
Fig. 2 is the block diagram of one embodiment of cloud audio frequency process platform of the present invention；
Wherein, 200- processing units；202- first network communication units；204- decoding units；206- caches storehouse.
Fig. 3 is the block diagram of one embodiment of audio frequency net gate way apparatus of the present invention；
Wherein, the network communication units of 302- second；304- processing units；306- synchronization units；The bluetooths of 308A- first connect
Mouthful；The blue tooth interfaces of 308B- second；The blue tooth interfaces of 308C- the 3rd.
Embodiment
With reference to drawings and examples of the invention, the invention will be further elaborated.
Fig. 1 shows the block diagram of one embodiment of the multichannel audio play system based on cloud, and it is included at cloud audio
Platform 100, audio-source 102, audio frequency net gate way apparatus 108 and wireless sound box, in a specific embodiment, wireless sound box bag
Include：First wireless sound box 110A, the second wireless sound box 110B ... the 6th wireless sound box 110F.
Audio-source 102 is the thesaurus of audio file, and it can be provided by audio service provider.
Cloud audio frequency process platform 100 is connected by network 104 with user equipment 106, audio frequency net gate way apparatus 108.Cloud audio
Processing platform 100 can also link together with audio-source 102.
Cloud audio frequency process platform 100, the monophonic audio bit for multichannel audio bit stream to be divided into respective numbers
Stream and metadata information, wherein described metadata information includes but is not limited to：Subject identification, sound channel mark, number of channels, when
Between synchronizing information.
Theme represents the audio-frequency unit of a song, music or a certain video；Subject identification can the song of unique mark one,
The audio-frequency unit of music or a certain video.
Described monophonic audio bit stream is following any one：Left audio bit stream, right audio channel bit
Stream, middle channel audio bit stream, left surround sound channel audio bitstream, right surround channel audio bit stream, low frequency effects channel sound
Frequency bit stream, left subsequent channel audio bitstream and rear right channel audio bitstream.
The monophonic audio bit stream and corresponding metadata information that belong to identical subject identification are sent by network 104
To audio frequency net gate way apparatus 108.
Described network is following any one：Internet, 5G networks, 4G networks.
Audio frequency net gate way apparatus 108, for according to the multiple monophonic audio bits for belonging to identical subject identification received
Stream and corresponding metadata information, the synchronous corresponding multiple monophonic audio signals of generation；And for identical theme mark will to be belonged to
The different monophonic audio signals of knowledge are sent to corresponding wireless sound box by different wave points.
In a preferred embodiment of the invention, described wave point is blue tooth interface；Described wireless sound box is bluetooth
Audio amplifier.
User equipment 106, including smart mobile phone, tablet personal computer, portable devices, computer etc. have computing capability and man-machine
The electronic equipment at interface.It is connected by network 104 and audio frequency net gate way apparatus 108, cloud audio frequency process platform 100, for using
Operational control of the family to audio and audio frequency net gate way apparatus 108.
Wireless sound box is interacted by bluetooth approach and audio frequency net gate way apparatus 108, and each wireless sound box is filled by audio frequency net gate way
The different wave points and different channels for putting 108 are connected.Each wireless sound box receives a different monophonic audio letter
Number.
Fig. 2 shows the block diagram of cloud audio frequency process platform 100, and it includes：
First network communication unit 202, for receiving audio playing request, the audio playing request comprises at least theme
Name, subject identification；Send the multiple monophonic audio bit streams and metadata information for belonging to identical subject identification；
Decoding unit 204, monophonic audio bit stream and member for multichannel audio bit stream to be divided into respective numbers
Data message, wherein, the metadata information includes：Subject identification, sound channel mark, number of channels, time synchronization information；
Processing unit 200, for according to the audio playing request, obtaining the corresponding multichannel of the audio playing request
Audio bitstream；Indicate that described multichannel audio bit stream is divided into the monophonic audio ratio of respective numbers by the decoding unit
Spy's stream；
Storehouse 206 is cached, for caching the monophonic audio for the belonging to identical subject identification ratio that the decoding unit is decoded
Spy's stream and respective meta-data information.
Fig. 3 shows the block diagram of one specific embodiment of audio frequency net gate way apparatus, and it includes：
Second network communication unit 302, for receiving monophonic audio bit stream and corresponding metadata information；Wherein institute
The metadata information stated includes：Subject identification, sound channel mark, number of channels, time synchronization information；Described monophonic audio ratio
Spy's stream is following any one：Left audio bit stream, right channel audio bitstream, middle channel audio bit stream, a left side are surround
Channel audio bit stream, right surround channel audio bit stream, low frequency effects channel audio bitstream, left subsequent channel audio bitstream
And rear right channel audio bitstream；
Processing unit 304, for the multiple monophonic audio bit streams for belonging to identical subject identification received to be converted
Into multiple monophonic audio signals；For according to the metadata information that receives and being pre-configured with, synchronously send and belong to identical
The corresponding monophonic audio signal of subject identification is to wave point；
Synchronization unit 306, for according to the metadata information that receives and being pre-configured with, control belongs to identical subject identification
Multiple monophonic audio signals synchronized transmission；
Wave point, for multiple different monophonic audio signals by identical subject identification is belonged to wirelessly
Export to corresponding wireless sound box.
According to the specific embodiment of the present invention, described wave point includes：
First blue tooth interface 308A, for the first channel audio signal by identical subject identification is belonged to wirelessly
Export the first wireless sound box 110A；For the second sound channel audio signal for belonging to identical subject identification wirelessly to be exported
Second wireless sound box 110B；
Second blue tooth interface 308B, the 3rd wireless sound is wirelessly exported for that will belong to triple-track audio signal
Case 110C；For the falling tone audio channel signal for belonging to identical subject identification wirelessly to be exported into the 4th wireless sound box
110D；
3rd blue tooth interface 308C, the 5th wireless sound is wirelessly exported for that will belong to fifth sound audio channel signal
Case 110E；For the six-channel audio for belonging to identical subject identification wirelessly to be exported into the 6th wireless sound box
110F。
According to a preferred embodiment of the invention, the second described network communication unit 302 also includes at least one following：
WIFI module, 5G modules and/or network interface.
When multichannel is 5.1 sound channels, described is preconfigured to：
First channel audio signal is left channel audio signal, and the first wireless sound box puts wireless sound box to be left front；
Second sound channel audio signal is right channel audio signal, and the second wireless sound box is right preposition wireless sound box；
Triple-track audio signal is left cincture audio signals, and the 3rd wireless sound box is to be left around wireless sound box；
Falling tone audio channel signal is right surround audio signal, and the 4th wireless sound box is right surround wireless sound box；
Fifth sound audio channel signal is middle channel audio signal, and the 5th wireless sound box puts wireless sound box in being；
Six-channel audio is low frequency effects channel audio signal, and the 6th wireless sound box is bass wireless sound box.
A kind of multichannel audio player method based on cloud, comprises the following steps：
Multichannel audio bit stream is divided into the monophonic audio bit stream and member of respective numbers by cloud audio frequency process platform 100
Data message, wherein described metadata information includes：Subject identification, sound channel mark, number of channels, time synchronization information；
The monophonic audio bit stream and corresponding metadata information that belong to identical subject identification are sent by network 104
To audio frequency net gate way apparatus 108；
Audio frequency net gate way apparatus 108 is according to the multiple monophonic audio bit streams and phase that belong to identical subject identification received
The metadata information answered, the synchronous corresponding multiple monophonic audio signals of generation；
The multiple monophonic audio signals for belonging to identical subject identification are sent to accordingly by different wave points
Wireless sound box.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair
Bright preferably embodiment, embodiments of the present invention are simultaneously not restricted to the described embodiments, it should be appreciated that people in the art
Member can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall in principle disclosed in the present application
Within scope and spirit.
Claims (9)
1. a kind of multichannel audio player method based on cloud, it is characterised in that comprise the following steps：
Multichannel audio bit stream is divided into the monophonic audio bit stream and metadata information of respective numbers, wherein described member
Data message includes：Subject identification, sound channel mark, number of channels, time synchronization information；
The monophonic audio bit stream and corresponding metadata information of identical subject identification will be belonged to audio is sent to by network
Gateway apparatus；
Audio frequency net gate way apparatus is according to the multiple monophonic audio bit streams for belonging to identical subject identification received and corresponding member
Data message, the synchronous corresponding multiple monophonic audio signals of generation；
The multiple monophonic audio signals for belonging to identical subject identification are sent to by different wave points corresponding wireless
Audio amplifier.
2. the multichannel audio player method according to claim 1 based on cloud, it is characterised in that described monophonic sound
Frequency bit stream is following any one：Left audio bit stream, right channel audio bitstream, middle channel audio bit stream, a left side
Surround sound channel audio bitstream, right surround channel audio bit stream, low frequency effects channel audio bitstream, left subsequent channel audio ratio
Spy's stream and rear right channel audio bitstream.
3. the multichannel audio player method according to claim 1 based on cloud, it is characterised in that described wave point
For blue tooth interface.
4. a kind of audio frequency net gate way apparatus, it is characterised in that including：
Second network communication unit, for receiving monophonic audio bit stream and corresponding metadata information；Wherein described member
Data message includes：Subject identification, sound channel mark, number of channels, time synchronization information；Described monophonic audio bit stream is
Following any one：Left audio bit stream, right channel audio bitstream, middle channel audio bit stream, a left side are around sound channel sound
Frequency bit stream, right surround channel audio bit stream, low frequency effects channel audio bitstream, left subsequent channel audio bitstream and the right side
Channel audio bit stream afterwards；
Processing unit, for the multiple monophonic audio bit streams for belonging to identical subject identification received to be changed into multiple lists
Channel audio signal；For according to the metadata information that receives and being pre-configured with, synchronously send and belong to identical subject identification
Corresponding monophonic audio signal to wave point；
Synchronization unit, for according to the metadata information that receives and being pre-configured with, control belongs to the multiple of identical subject identification
The synchronized transmission of monophonic audio signal；
Wave point, for the multiple different monophonic audio signals for belonging to identical subject identification wirelessly to be exported
To corresponding wireless sound box.
5. audio frequency net gate way apparatus according to claim 4, it is characterised in that the second described network communication unit also includes
At least one of following：WIFI module, 5G modules and/or network interface.
6. audio frequency net gate way apparatus according to claim 4, it is characterised in that described wave point connects including the first bluetooth
Mouth, the second blue tooth interface and/or the 3rd blue tooth interface；
The first described blue tooth interface, the first channel audio signal for will belong to identical subject identification is wirelessly defeated
Go out the first wireless sound box；For the second sound channel audio signal for belonging to identical subject identification wirelessly to be exported into the second nothing
Line audio amplifier；
The second described blue tooth interface, the 3rd wireless sound is wirelessly exported for that will belong to triple-track audio signal
Case；For the falling tone audio channel signal for belonging to identical subject identification wirelessly to be exported into the 4th wireless sound box；
The 3rd described blue tooth interface, the 5th wireless sound is wirelessly exported for that will belong to fifth sound audio channel signal
Case；For the six-channel audio for belonging to identical subject identification wirelessly to be exported into the 6th wireless sound box.
7. audio frequency net gate way apparatus according to claim 6, it is characterised in that when multichannel is 5.1 sound channels, described is advance
It is configured to：
First channel audio signal is left channel audio signal, and the first wireless sound box puts wireless sound box to be left front；
Second sound channel audio signal is right channel audio signal, and the second wireless sound box is right preposition wireless sound box；
Triple-track audio signal is left cincture audio signals, and the 3rd wireless sound box is to be left around wireless sound box；
Falling tone audio channel signal is right surround audio signal, and the 4th wireless sound box is right surround wireless sound box；
Fifth sound audio channel signal is middle channel audio signal, and the 5th wireless sound box puts wireless sound box in being；
Six-channel audio is low frequency effects channel audio signal, and the 6th wireless sound box is bass wireless sound box.
8. a kind of cloud audio frequency process platform, it is characterised in that including：
First network communication unit, for receiving audio playing request, the audio playing request comprises at least subject, theme
Mark；Send the multiple monophonic audio bit streams and metadata information for belonging to identical subject identification；
Decoding unit, monophonic audio bit stream and metadata letter for multichannel audio bit stream to be divided into respective numbers
Breath, wherein, the metadata information includes：Subject identification, sound channel mark, number of channels, time synchronization information；
Processing unit, for according to the audio playing request, obtaining the corresponding multichannel audio ratio of the audio playing request
Spy's stream；Indicate that described multichannel audio bit stream is divided into the monophonic audio bit stream of respective numbers by the decoding unit；
Storehouse is cached, for caching the monophonic audio bit stream and phase that belong to identical subject identification that the decoding unit is decoded
Answer metadata information.
9. a kind of multichannel audio play system based on cloud, it is characterised in that including the sound described in any one of claim 4~7
Cloud audio frequency process platform described in frequency gateway apparatus and claim 8.
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| CN109857364A (en) * | 2019-01-28 | 2019-06-07 | Oppo广东移动通信有限公司 | Audio frequency playing method and device, storage medium, communication terminal |
| CN109862475A (en) * | 2019-01-28 | 2019-06-07 | Oppo广东移动通信有限公司 | Audio-frequence player device and method, storage medium, communication terminal |
| CN113973259A (en) * | 2020-07-22 | 2022-01-25 | 阿里巴巴集团控股有限公司 | Audio processing method, device, computing equipment and medium |
| CN114157942A (en) * | 2021-11-30 | 2022-03-08 | 广州番禺巨大汽车音响设备有限公司 | Method and system for controlling sound system of real wireless stereo |
| CN114157942B (en) * | 2021-11-30 | 2024-03-26 | 广州番禺巨大汽车音响设备有限公司 | Method and system for controlling sound system of real wireless stereo |
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