CN108093359A - Multichannel playback method and playback equipment and wireless sound box based on wireless transmission - Google Patents
Multichannel playback method and playback equipment and wireless sound box based on wireless transmission Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 claims description 29
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- 238000007781 pre-processing Methods 0.000 claims description 21
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- 238000003199 nucleic acid amplification method Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 16
- 238000012805 post-processing Methods 0.000 claims description 15
- 238000000354 decomposition reaction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 3
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- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 235000008434 ginseng Nutrition 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
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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
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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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
- H04N5/642—Disposition of sound reproducers
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Otolaryngology (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
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Abstract
The present invention relates to TV technology, embodiment discloses the multichannel playback method based on wireless transmission, including：Wireless telecommunications are established with multiple wireless sound boxes；The type and quantity of multiple wireless sound boxes are obtained, and obtains the audio frequency parameter combination of the multiple wireless sound box accordingly；Audio is decomposed into again, matched different data flow is combined with audio frequency parameter；Different data stream transmittings is given outside built-in and puts unit, while is wirelessly transmitted to corresponding wireless sound box.And the open playback equipment and wireless sound box for realizing the above method.Ensure that each voice data stream after decomposing is respectively provided with corresponding wireless sound box and plays out, ensure the quality and result of broadcast of audio, it will not cause the mismatch with external voice box, and it can neatly obtain the combination of the audio frequency parameter when secondary use, effective isolation is provided for the decomposition of audio, optimal tonequality and audio are obtained under the configuring condition of existing wireless sound box.At low cost, audio is good.
Description
Technical field
The present invention relates to TV technology, more particularly to a kind of multichannel playback method and broadcasting based on wireless transmission
Equipment and wireless sound box.
Background technology
Multimedia file playback equipment (e.g., television set) is mostly boombox or speaker at present, has some that can match
Super bass box, soundbar, satellite box individually buy the home theater for possessing unified interface.Boombox or speaker
The advantages of be that can provide matching degree high audio frequency parameter and audio, shortcoming is to be difficult to extend the better tonequality of upgrading.Even if choosing
With external voice boxes such as super bass box, soundbar or satellite boxes, it is also difficult to ensure best audio frequency parameter and audio.Individually purchase
The home theater for possessing unified interface is bought, although ensure that tonequality, adds the design difficulty of equipment compatibility, and user
It operates relative complex.In short, not no flexible speaker extended mode while tonequality, audio is ensured.
The content of the invention
An embodiment of the present invention provides a kind of multichannel playback method based on wireless transmission and playback equipments and wireless sound
Case.In order to the embodiment to disclosure some aspects there are one basic understanding, simple summary is shown below.The summary portion
It is not extensive overview to divide, nor to determine key/critical component or describe the protection domain of these embodiments.It is unique
Purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
It is according to embodiments of the present invention in a first aspect, provide a kind of multichannel playback method based on wireless transmission, should
For playback equipment, including：
Wireless telecommunications are established with multiple wireless sound boxes；
Obtain the type and quantity of the multiple wireless sound box；
According to the type and quantity of the multiple wireless sound box, the audio frequency parameter combination of the multiple wireless sound box is obtained；
According to the audio frequency parameter combine, decoded audio is decomposed into combined with the audio frequency parameter it is matched not
Same data flow；
The different data stream transmitting is put into unit to outer built in playback equipment, while is wirelessly transmitted to the audio
Corresponding wireless sound box in parameter combination.
The multichannel playback method of the embodiment of the present invention, according to the expansion that wireless telecommunications can be established with playback equipment (TV)
The audio frequency parameter of exhibition wireless sound box combines to decompose audio, so as to ensure that each voice data stream after decomposing is respectively provided with corresponding nothing
Line speaker plays out, and ensures the quality and result of broadcast of audio.Moreover, while external voice box plays, the broadcastings such as TV
The built-in outer unit of putting of equipment ensures while plays by being delayed to play, and will not cause the mismatch with external voice box, Er Qieyou
Check and correction is synchronized beneficial to the broadcasting of external wireless sound box, ensures the synchronism played.And playback equipment passes through wireless telecommunications
The wireless sound box opened of mode removal search, can neatly obtain when time using according to the configuring condition of each wireless sound box
When audio frequency parameter combination, provide effective isolation for the decomposition of audio, obtained under the configuring condition of existing wireless sound box
Obtain optimal tonequality and audio.At low cost, audio is good.
In the embodiment of the present invention, the audio frequency parameter includes delay duration.Centainly include decoding side in certain audio frequency parameter
The conventional parameters such as method, channel number, EQ corresponding to each sound channel adjustment and the undistorted attenuation of big signal.
In a kind of optional embodiment, after the type and quantity for obtaining the multiple wireless sound box, further include：
Determine whether that new wireless sound box adds in；
If so, obtaining the type of the new wireless sound box, and then obtain the parameter of the new wireless sound box；And then foundation
The type and quantity of the multiple wireless sound box obtain the audio frequency parameter combination of the multiple wireless sound box；
If it is not, then the type and quantity according to the multiple wireless sound box, the audio for obtaining the multiple wireless sound box are joined
Array is closed.
In a kind of optional embodiment, before described and multiple wireless sound boxes establish wireless telecommunications, further include：
Judge whether wireless sound box；
If it is not, the outer internal audio frequency parameter combination for putting unit built in then obtaining；It, will according to the internal audio frequency parameter combination
Decoded audio is decomposed into and the matched different data flow of the internal audio frequency parameter combination；And by the different number
Unit is put according to being streaming to outside built in playback equipment.
It is described that the different data stream transmitting is put into list to outer built in playback equipment in a kind of optional embodiment
Member, including：
Playback equipment is transmitted to after the different data flow is carried out audio post-processing and power amplification processing successively
Unit is put outside built-in.
Second aspect according to embodiments of the present invention provides a kind of multichannel playback method based on wireless transmission, should
For wireless sound box, including：
Wireless telecommunications are established with playback equipment；
Receive corresponding data flow；
After the data flow to be carried out to audio frequency process and power amplification processing successively, broadcast unit is transmitted to.
The wireless sound box of the embodiment of the present invention can establish wireless telecommunications with playback equipment and be connected, and complete the broadcasting of multichannel.
The third aspect according to embodiments of the present invention provides a kind of playback equipment, including：
Main communication module, for establishing wireless telecommunications with the multiple wireless sound box；
Micro treatment module, for obtaining the type of the multiple wireless sound box and quantity, and for according to the multiple nothing
The type and quantity of line speaker obtain the audio frequency parameter combination of the multiple wireless sound box；And for receiving audio pretreatment mould
The different data flows that block obtains are wirelessly transmitted to corresponding wireless sound in the audio frequency parameter combination by main communication module
Case；
For being combined according to the audio frequency parameter, decoded audio is decomposed into and the sound for audio preprocessing module
The matched different data flow of frequency parameter combination；And the different data stream transmitting is put into list to outer built in playback equipment
Member and micro treatment module.
The structure of the playback equipment of the embodiment of the present invention is simple, can realize multichannel playback method.
In a kind of optional embodiment, the playback equipment further includes：
First judgment module, for determining whether that new wireless sound box adds in；
If so, the micro treatment module is additionally operable to obtain the type of the new wireless sound box, and then obtain the new nothing
The parameter of line speaker；And according to the type and quantity of the multiple wireless sound box, the audio for obtaining the multiple wireless sound box is joined
Array is closed；
If it is not, then type and quantity of the micro treatment module according to the multiple wireless sound box, obtains the multiple nothing
The audio frequency parameter combination of line speaker.
In a kind of optional embodiment, the playback equipment further includes：
Second judgment module, for judging whether wireless sound box；
If it is not, then decoded audio is decomposed into and the audio of micro treatment module ginseng by the audio preprocessing module
Array closes matched different data flow；And the different data stream transmitting is put into unit to outer built in playback equipment.
In a kind of optional embodiment, the playback equipment further includes：Audio post-processing module and power amplification processing mould
Block；
The audio post-processing module, for receiving the different data stream transmittings of the audio preprocessing module transmission,
It is post-processed；
The power amplification processing module, for receiving the different data flows after the audio post-processing resume module,
After carrying out power amplification processing, it is transferred to the built-in of playback equipment and puts unit outside.
Fourth aspect according to embodiments of the present invention provides a kind of wireless sound box, including：
From communication module, for establishing wireless telecommunications with playback equipment, and for receiving corresponding data flow；
Processing module after the data flow to be carried out to audio frequency process and power amplification processing successively, is transmitted to broadcasting
Unit.
The structure of the wireless sound box of the embodiment of the present invention is simple, can realize multichannel playback method.
It should be appreciated that above general description and following detailed description are only exemplary and explanatory, not
It can the limitation present invention.
Description of the drawings
Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and the principle for explaining the present invention together with specification.
Fig. 1 shows an optional implementing procedure of the multichannel playback method based on wireless transmission；
Fig. 2 shows another optional implementing procedure of the multichannel playback method based on wireless transmission；
Fig. 3 shows an optional implementing procedure of the multichannel playback method based on wireless transmission；
Fig. 4 shows another optional implementing procedure of the multichannel playback method based on wireless transmission；
Fig. 5 shows another optional implementing procedure of the multichannel playback method based on wireless transmission；
Fig. 6 shows an optional implementing procedure of playback equipment；
Fig. 7 shows another optional implementing procedure of playback equipment；
Fig. 8 shows a kind of optional embodiment of playback equipment；
Fig. 9 shows another optional embodiment of playback equipment；
Figure 10 shows another optional embodiment of wireless sound box；
Figure 11 shows a kind of embodiment of the wireless telecommunications between playback equipment and multiple wireless sound boxes.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the order operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The scope of bright embodiment includes equivalent obtained by the gamut of claims and all of claims
Object.Herein, each embodiment individually or can be represented generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the scope for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with
Another entity or operation distinguish, and without requiring or implying, there are any actual relations between these entities or operation
Or order.Moreover, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so as to
So that process, method or equipment including a series of elements not only include those elements, but also including being not explicitly listed
Other element or further include as this process, method or the intrinsic element of equipment.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the process including the element, method or equipment
In also there are other identical elements.Each embodiment herein is described by the way of progressive, and each embodiment stresses
Be all difference from other examples, just to refer each other for identical similar portion between each embodiment.For implementing
For method, product etc. disclosed in example, due to its with embodiment disclosed in method part it is corresponding, so the comparison of description is simple
Single, reference may be made to the description of the method.
For the playback equipments such as TV, the tonequality of output is improved and audio is that a kind of simply have by external voice box
The mode of effect.By TV it can be found that the combination of external radio speaker the foundation of decomposition is provided for audio, and will decompose
It is outer built in data flow simultaneous transmission to TV afterwards to put unit (that is, loud speaker or speaker) and external wireless sound box, make two
Part loudspeaker box combination is the loudspeaker box combination of the audio, is not in that the built-in of TV puts unit and external wireless sound box outside
Unmatched problem.So as to which at low cost, on the premise of easy to operate, the multichannel for meeting the playback equipments such as TV plays.
Fig. 1 shows an a kind of optional implementing procedure of the multichannel playback method based on wireless transmission.In the optional reality
It applies in example, the multichannel playback method based on wireless transmission, applied to playback equipment, e.g., TV includes the following steps.
Step S110 establishes wireless telecommunications with multiple wireless sound boxes.Radio frequency/bluetooth/infrared/sound may be employed in wireless telecommunications
One or more of technologies such as ripple/WIFI/Zigbee/RFID, do not limit, as long as can communicate wirelessly.
Step S120 obtains the type and quantity of the multiple wireless sound box.
In this step S120, can by reading the device id of wireless sound box, according to device id judge speaker type and
Number.Wherein, the device id of wireless sound box can be preset device numbering, which can distinguish wireless sound box
Type, e.g., supper bass, surround, in put.Such as, the wireless sound box of supper bass type is identified using " I " or " ZDY " is identified
Deng using " II " type around the wireless sound box of type, and surround according to left side is subdivided into around mode around " II-L ", left rear side
" II-LB ", right side around " II-R " and right lateral side around " II-RB " etc., in put the wireless sound box of type using " III " mark.Mark
Know type not limit, as long as differentiating different types of wireless sound box.Then by counting the number of different identification, so as to
The number of all wireless sound boxes and the number of same type wireless sound box are obtained, so as to obtain the channel number and type to be exported.
Step S130 according to the type and quantity of the multiple wireless sound box, obtains one group of the multiple wireless sound box
Audio frequency parameter combines.The audio frequency parameter includes delay duration.Centainly include in certain audio frequency parameter coding/decoding method, channel number,
The conventional parameters such as EQ adjustment corresponding to each sound channel and the undistorted attenuation of big signal.And the audio frequency parameter is combined as one group.Its
In, the acquisition of the delay duration is determined by the type to wireless telecommunications.Its transmission of the type of different wireless telecommunications
Rate is different, and the delay duration of different broadcastings is carried out in natural zone.Such as external voice box is to input audio by blue tooth wireless communication,
Acquiescence delay is Ams (concrete numerical value of A is determined according to wireless communication type), and external voice box plays immediately, built-in speaker
The Ams that be then delayed is played out, and ensures the synchronism of the two, and built-in and external voice box is made more to match.
Step S140 is combined according to the audio frequency parameter, decoded audio is decomposed into and is combined with the audio frequency parameter
Matched different data flow.Obviously, in step S140, the input of audio and the decoding step of audio should also be included
Suddenly, which belongs to conventional steps of the playback equipment when playing out processing to audio, and this will not be repeated here.
The different data stream transmitting is put unit by step S150 to outer built in playback equipment.TV it is built-in
Unit is put outside, e.g., boombox or built-in speaker etc..Specifically, the different data flow is needed to carry out sound successively
The built-in of playback equipment is transmitted to after frequency post processing and power amplification processing and outer puts unit.
Step S160, meanwhile, the different data flow is wirelessly transmitted to corresponding nothing in the audio frequency parameter combination
Line speaker.
The embodiment of the present invention is the sound according to the extended wireless speaker that wireless telecommunications can be established with playback equipment (TV)
Frequency parameter combination decomposes audio, is broadcast so as to ensure that each voice data stream after decomposing is respectively provided with corresponding wireless sound box
It puts, ensures the quality and result of broadcast of audio.While external voice box plays, the built-in of the playback equipments such as TV puts unit outside
Ensure to play simultaneously by being delayed to play, the mismatch with external voice box will not be caused, and be conducive to external wireless sound box
Broadcasting synchronizes check and correction, ensures the synchronism played.And playback equipment removal search unlatching by way of wireless telecommunications
Wireless sound box can neatly obtain the audio frequency parameter combination when secondary use, be according to the configuring condition of each wireless sound box
The decomposition of audio provides effective isolation, and optimal tonequality and audio are obtained under the configuring condition of existing wireless sound box.
In the multichannel playback method of the embodiment of the present invention, step S120 can be carried out every time and " obtains the multiple nothing
The type and quantity of line speaker " can establish the wireless sound box progress type of wireless telecommunications and the system of quantity by all with TV
Meter, can find the adjustment of external wireless sound box in time, e.g., increase new wireless sound box or reduce existing wireless sound box,
It is combined with the audio frequency parameter that multiple wireless sound boxes are obtained according to the external wireless sound box after adjusting.It is existing wireless for reducing
In the case of speaker, since the type and quantity of remaining wireless sound box have been stored in TV, to " obtaining multiple wireless sound boxes
Audio frequency parameter combination " the step of do not influence.And for increase wireless sound box situation, due to new wireless sound box type and
Quantity is unknown, therefore, as shown in Fig. 2, in a kind of optional embodiment, the multiple wireless sound box is obtained in step S120
After type and quantity, further include,
Step S121 determines whether that new wireless sound box adds in；If so, perform step S122；If it is not, then perform step
S130。
Step S122 obtains the type of the new wireless sound box, and then obtains the parameter of the new wireless sound box；And then it holds
Row step S130 according to the type and quantity of the multiple wireless sound box, obtains the audio frequency parameter group of the multiple wireless sound box
It closes.Next, perform step S140, step S150 and step S160.In step S122, TV can be obtained from network-side
Take the parameter of the new wireless sound box, it can also be by prestoring the parameters of all types of wireless sound boxes in television internal
Mode ensures the acquisition of the parameter for the wireless sound box that new extension is come in.
Step S130 according to the type and quantity of the multiple wireless sound box, obtains the audio of the multiple wireless sound box
Parameter combination.In step S130, multiple wireless sound boxes be refer to acquire wireless sound box type and parameter it is wireless
Speaker.When there is new wireless sound box to add in only in the case of the type and parameter of the new wireless sound box is obtained, just should
New wireless sound box is included in multiple wireless sound boxes in step S130.Perform step S140, step S150 and step successively afterwards
Rapid S160.
After the present embodiment increases the judgement of step S121, it is possible to realize the random extension of wireless sound box, whenever all
The wireless sound box system of playback equipment, i.e. sound box system can be upgraded.It and can be in time by the ginseng of the wireless sound box newly extended
Number is brought into " audio frequency parameter combination ", and more preferably tonequality and audio are provided for the broadcasting of audio.In the present embodiment, in step
In S122, the parameter of the new wireless sound box can not be acquired sometimes.Therefore, as shown in figure 3, perform step S130 it
Before, it further includes,
Step S123 judges whether to obtain the parameter of the new wireless sound box.
If so, performing step S130, according to the type and quantity of the multiple wireless sound box, obtain the multiple wireless
The audio frequency parameter combination of speaker.If it is not, then perform step S124.
Step S124 deletes the type of the new wireless sound box and quantity, obtains the type not comprising new wireless sound box
With the type and quantity of modified multiple wireless sound boxes of quantity.And by the type and quantity of modified multiple wireless sound boxes
Step S130 is performed instead of the type and quantity of the multiple wireless sound box in step S130, and then is obtained described modified more
The audio frequency parameter combination of a wireless sound box.Ensure when the parameter of new wireless sound box can not be obtained, which is not received
Enter in " audio frequency parameter combination " corresponding wireless sound box combination, ensure that wireless sound box corresponding in " audio frequency parameter combination " is equal
In the presence of otherwise, it may appear that the phenomenon that corresponding audio file of some data flow can not play causes audio poor.
In a kind of optional embodiment, it is not intended to play out or be not provided with using external voice box for user
In the case of external radio speaker, as shown in figure 4, before step S110 and multiple wireless sound boxes establish wireless telecommunications, further include：
S101 judges whether wireless sound box.That is TV search is with the presence or absence of wireless sound box.If it is not, it then performs successively
Step S141, S142 and S150.
S141, the outer internal audio frequency parameter combination for putting unit built in acquisition.
According to the internal audio frequency parameter combination, decoded audio is decomposed into and the internal audio frequency parameter by S142
Combine matched different data flow.
The different data stream transmitting is put unit by S150 to outer built in playback equipment.
The present embodiment is completed only by the outer process put unit and played out built in TV, wherein, to audio also foundation
Internal audio frequency parameter combination (being pre-stored in TV) is decomposed, and the different data flows of acquisition are transmitted further to the interior of playback equipment
Unit is put outside putting.
If so, step S110 to step S160 and step S121 to step S124 is performed successively.
Fig. 5 is to show an a kind of optional implementing procedure of the multichannel playback method based on wireless transmission.It is optional at this
In embodiment, the multichannel playback method based on wireless transmission applied to wireless sound box, includes the following steps.
Step S210 establishes wireless telecommunications with playback equipment.
Step S220 receives corresponding data flow.It is only involved with " audio frequency parameter combines " of foundation in step S140
Wireless sound box can just receive corresponding data flow.
Step S230 after the data flow to be carried out to audio frequency process and power amplification processing successively, is transmitted to broadcast unit.
The broadcast unit is the sounding component such as speaker of wireless sound box.
Fig. 6 shows a kind of alternative embodiment of playback equipment.In the alternative embodiment, the playback equipment includes：It is main logical
Interrogate module 100, micro treatment module 200 and audio preprocessing module 300.
Main communication module 100, for establishing wireless telecommunications with the multiple wireless sound box.Establishing wireless telecommunications process
In, the channel radio instruction signal for the wireless sound box that the main search of communication module 100 is opened searches afterwards and establishes connection.
Micro treatment module 200 is established the type and quantity of multiple wireless sound boxes of wireless telecommunications with it for obtaining, is used in combination
In type and quantity according to the multiple wireless sound box, the audio frequency parameter combination of the multiple wireless sound box is obtained；And it is used for
The different data flows that audio preprocessing module 300 obtains are received, being wirelessly transmitted to the audio by main communication module 100 joins
Corresponding wireless sound box during array is closed.
Audio preprocessing module 300, for according to the audio frequency parameter combine, by decoded audio be decomposed into it is described
Audio frequency parameter combines matched different data flow；And the different data stream transmitting is put to outer built in playback equipment
Unit 600 and micro treatment module 200.
Playback equipment and wireless sound box are opened, the main communication module 100 of playback equipment starts the wireless sound box that search is opened
Channel radio instruction signal, search, and establish therewith wireless telecommunications connection.At this point, micro treatment module 200 obtains each wireless sound box
Type and quantity, processing obtains the audio frequency parameter combination of multiple wireless sound boxes, spare.It is right after playback equipment inputs audio
Audio is decoded, and audio preprocessing module 300 receives decoded audio, and is transferred matched in micro treatment module 200
Audio frequency parameter combines, combined according to the audio frequency parameter decoded audio is decomposed into combined with the audio frequency parameter it is matched
Different data flows.Audio preprocessing module 300 is by different data stream transmittings to the outer unit and micro- put built in playback equipment
Different data flows is wirelessly transmitted to the audio by processing module 200, micro treatment module 200 by main communication module 100 again
Corresponding wireless sound box in parameter combination.
In the playback equipment of the present embodiment, further include：Audio post-processing module 400 and power amplification processing module 500.
The audio post-processing module 400, for receiving the different data flows that the audio preprocessing module 300 is transmitted
Transmission, is post-processed.The post processing includes frequency cutoff, amplitude limitation etc..
The power amplification processing module 500, treated for receiving the audio post-processing module 400 different number
According to stream, after carrying out power amplification processing, it is transferred to the built-in of playback equipment and puts unit 600 outside.
Meanwhile it in the playback equipment of the present embodiment, further includes：Audio Input Modules 700 and audio decoder module 800.Sound
Frequency input module 700, for receiving the input of audio, and by audio transmission to audio decoder module 800.Audio decoder module
800, after audio is decoded, it is transmitted to audio preprocessing module 300.
Fig. 7 shows a kind of alternative embodiment of playback equipment.In the alternative embodiment, the playback equipment includes：It is main logical
Interrogate module 100,300 and first judgment module 210 of micro treatment module 200 and audio preprocessing module.
First judgment module 210, for determining whether that new wireless sound box adds in.
If so, the micro treatment module 200 is additionally operable to obtain the type of the new wireless sound box, and then obtain described new
The parameter of wireless sound box；And according to the type and quantity of the multiple wireless sound box, the audio of the multiple wireless sound box is obtained
Parameter combination；
If it is not, then type and quantity of the micro treatment module 200 according to the multiple wireless sound box, acquisition are the multiple
The audio frequency parameter combination of wireless sound box.
Fig. 8 shows a kind of alternative embodiment of playback equipment.In the alternative embodiment, the playback equipment includes：It is main logical
It interrogates module 100, micro treatment module 200 and 300 and first judgment module 210 of audio preprocessing module and the first insertion judges
Module 211.
First insertion judgment module 211, for judging whether micro treatment module 200 obtains the ginseng of the new wireless sound box
Number.
If so, type and quantity of the micro treatment module 200 according to the multiple wireless sound box, obtain the multiple wireless
The audio frequency parameter combination of speaker.
If it is not, then micro treatment module 200 is additionally operable to, by the type of the new wireless sound box and quantity deletion, not included
The type and quantity of the type of new wireless sound box and modified multiple wireless sound boxes of quantity.It and will be described modified multiple wireless
The type and quantity for multiple wireless sound boxes that type and the quantity replacement of speaker obtain before, and according to modified multiple nothings
The type and quantity of line speaker, and then obtain the audio frequency parameter combination of modified multiple wireless sound boxes.
Fig. 9 shows a kind of alternative embodiment of playback equipment.In the alternative embodiment, the playback equipment includes：It is main logical
Interrogate module 100, micro treatment module 200, audio preprocessing module 300, the first judgment module 201 and the first insertion judgment module
202 and second judgment module 203.
Second judgment module 203, for judging whether wireless sound box.
If it is not, then micro treatment module 200 is additionally operable to the outer internal audio frequency parameter combination for putting unit built in acquisition, sound is transferred to
Frequency preprocessing module 300.The audio preprocessing module 300 is additionally operable to according to the internal audio frequency parameter combination, after decoding
Audio be decomposed into and the matched different data flow of the internal audio frequency parameter combination；And the different data are spread
It is defeated by the built-in of playback equipment and puts unit 600 outside.
In the present embodiment, the first judgment module 201 and the first insertion judgment module 202 can not be included.
Figure 10 shows a kind of alternative embodiment of wireless sound box.In the alternative embodiment, the wireless sound box includes：From logical
Interrogate module 910 and processing module 920.
From communication module 910, for establishing wireless telecommunications with playback equipment, and for receiving corresponding data flow；
Processing module 920 after the data flow of reception to be carried out to audio frequency process and power amplification processing successively, is transmitted to
Broadcast unit 930.That is, processing module 920 includes audio treatment unit 921 and power amplification processing unit 922, is respectively used to pair
Data flow carries out audio frequency process and power amplification processing.
Figure 11 shows the wireless communication arrangement schematic diagram between a kind of playback equipment and multiple wireless sound boxes.Including one
Playback equipment 1000, multiple wireless sound boxes, e.g., in put wireless sound box 2001, left side is around wireless sound box 2002, and right side is around nothing
Line speaker 2003, supper bass wireless sound box 2004, left back circular wireless sound box 2005, it is right after around wireless sound box 2006 and
N-th wireless sound box 200n etc..The main communication module 100 of playback equipment 1000 and the slave communication module 910 of multiple wireless sound boxes
It is wirelessly transferred, completes the multichannel playback method based on wireless transmission.It is not all wireless sounds in playing process
Case both participates in broadcasting, it may be possible to the M wireless sound box therein with audio cooperation, wherein, M≤N.Example：The audio-source of broadcasting is 2
Sound channel, principal communication module 100, which is recognized during external voice box has, puts wireless sound box 2001, and left side is around wireless sound box 2002, right side
Around wireless sound box 2003, supper bass wireless sound box 2004, left back circular wireless sound box 2005 surround wireless sound box after right
2006, and parameter is sent to micro treatment module 200；If the good corresponding 6.1.1 sound effect parameters of the adaptation of micro treatment module 200,
Parameter is then sent to preprocessing module 300, each road audio is passed through audio post-processing module 400 and master by preprocessing module 300
Communication module 100 is sent to each speaker.If micro treatment module 200 is defeated without corresponding 2 channel audio source, 6.1.1 sound channels
The audio frequency parameter gone out, only 2 channel audio sources, the audio frequency parameter of 4.1.1 sound channels output, then be transmitted to internal speaker, external voice box
Wireless sound box 2001 is put in having, left side is around wireless sound box 2002, and right side is around wireless sound box 2003, supper bass wireless sound box
2004。
In addition, in the exemplary embodiment, additionally provide a kind of non-transitory computer-readable storage medium including instructing
Matter, such as the memory including instruction, above-metioned instruction can be performed to complete previously described method by processor.It is above-mentioned non-provisional
Property computer readable storage medium can be read-only memory (Read Only Memory, ROM), random access memory
(Random Access Memory, RAM), tape and light storage device etc..
Those of ordinary skill in the art may realize that each exemplary lists described with reference to the embodiments described herein
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is performed with hardware or software mode, specific application and design constraint depending on technical solution.Those of skill in the art
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.It is apparent to those skilled in the art that for convenience and simplicity of description, foregoing description
The specific work process of system, device and unit may be referred to the corresponding process in preceding method embodiment, no longer superfluous herein
It states.
It should be appreciated that the method, product disclosed by embodiments disclosed herein (include but not limited to device, equipment
Deng), it can realize by another way.For example, the apparatus embodiments described above are merely exemplary, for example, institute
The division of unit is stated, is only a kind of division of logic function, can there is other dividing mode, such as multiple lists in actual implementation
Member or component may be combined or can be integrated into another system or some features can be ignored or does not perform.It is another,
Shown or discussed mutual coupling, direct-coupling or communication connection can be by some interfaces, device or unit
INDIRECT COUPLING or communication connection, can be electrical, machinery or other forms.The unit illustrated as separating component can
To be or may not be physically separate, the component shown as unit may or may not be physics list
Member, you can be located at a place or can also be distributed in multiple network element.It can be selected according to the actual needs
In some or all of unit realize the purpose of this embodiment scheme.In addition, each work(in each embodiment of the present invention
Energy unit can be integrated in a processing unit or unit is individually physically present, can also be two or two
More than unit integrates in a unit.
It should be appreciated that the invention is not limited in the flow and structure that are described above and are shown in the drawings,
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claim
System.
Claims (10)
1. the multichannel playback method based on wireless transmission, which is characterized in that applied to playback equipment, including：
Wireless telecommunications are established with multiple wireless sound boxes；
Obtain the type and quantity of the multiple wireless sound box；
According to the type and quantity of the multiple wireless sound box, the audio frequency parameter combination of the multiple wireless sound box is obtained；
According to the audio frequency parameter combine, decoded audio is decomposed into combined with the audio frequency parameter it is matched different
Data flow；
The different data stream transmitting is put into unit to outer built in playback equipment, while is wirelessly transmitted to the audio frequency parameter
Corresponding wireless sound box in combination.
2. the multichannel playback method according to claim 1 based on wireless transmission, which is characterized in that in the acquisition institute
After the type and quantity of stating multiple wireless sound boxes, further include：
Determine whether that new wireless sound box adds in；
If so, obtaining the type of the new wireless sound box, and then obtain the parameter of the new wireless sound box；And then according to described
The type and quantity of multiple wireless sound boxes obtain the audio frequency parameter combination of the multiple wireless sound box；
If it is not, the then type and quantity according to the multiple wireless sound box, the audio frequency parameter group of the multiple wireless sound box is obtained
It closes.
3. the multichannel playback method according to claim 1 based on wireless transmission, which is characterized in that it is described with it is multiple
Before wireless sound box establishes wireless telecommunications, further include：
Judge whether wireless sound box；
If it is not, the outer internal audio frequency parameter combination for putting unit built in then obtaining；According to the internal audio frequency parameter combination, will decode
Audio afterwards is decomposed into and the matched different data flow of the internal audio frequency parameter combination；And by the different data flow
It is transferred to the built-in of playback equipment and puts unit outside.
4. the multichannel playback method according to any one of claim 1 to 3 based on wireless transmission, which is characterized in that
It is described that the different data stream transmitting is put into unit to outer built in playback equipment, including：
It is transmitted to after the different data flow is carried out audio post-processing and power amplification processing successively built in playback equipment
Put unit outside.
5. the multichannel playback method based on wireless transmission, which is characterized in that applied to wireless sound box, including：
Wireless telecommunications are established with playback equipment；
Receive corresponding data flow；
After the data flow to be carried out to audio frequency process and power amplification processing successively, broadcast unit is transmitted to.
6. a kind of playback equipment, which is characterized in that including：
Main communication module, for establishing wireless telecommunications with the multiple wireless sound box；
Micro treatment module, for obtaining the type of the multiple wireless sound box and quantity, and for according to the multiple wireless sound
The type and quantity of case obtain the audio frequency parameter combination of the multiple wireless sound box；And it is obtained for receiving audio preprocessing module
The different data flows obtained are wirelessly transmitted to corresponding wireless sound box in the audio frequency parameter combination by main communication module；
Audio preprocessing module for being combined according to the audio frequency parameter, decoded audio is decomposed into and is joined with the audio
Array closes matched different data flow；And by the different data stream transmitting to built in playback equipment it is outer put unit and
Micro treatment module.
7. a kind of playback equipment according to claim 6, which is characterized in that further include：
First judgment module, for determining whether that new wireless sound box adds in；
If so, the micro treatment module is additionally operable to obtain the type of the new wireless sound box, and then obtain the new wireless sound
The parameter of case；And according to the type and quantity of the multiple wireless sound box, the audio frequency parameter group of the multiple wireless sound box is obtained
It closes；
If it is not, then type and quantity of the micro treatment module according to the multiple wireless sound box, obtains the multiple wireless sound
The audio frequency parameter combination of case.
8. a kind of playback equipment according to claim 6, which is characterized in that further include：
Second judgment module, for judging whether wireless sound box；
If it is not, then decoded audio is decomposed into the audio frequency parameter group with the micro treatment module by the audio preprocessing module
Close matched different data flow；And the different data stream transmitting is put into unit to outer built in playback equipment.
9. a kind of playback equipment according to any one of claim 6 to 8, which is characterized in that further include：Audio post-processing
Module and power amplification processing module；
The audio post-processing module for receiving the different data stream transmittings of the audio preprocessing module transmission, carries out
Post processing；
The power amplification processing module for receiving the different data flows after the audio post-processing resume module, carries out
After power amplification processing, it is transferred to the built-in of playback equipment and puts unit outside.
10. a kind of wireless sound box, which is characterized in that including：
From communication module, for establishing wireless telecommunications with playback equipment, and for receiving corresponding data flow；
Processing module after the data flow to be carried out to audio frequency process and power amplification processing successively, is transmitted to broadcast unit.
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| 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 |
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| CN114501125B (en) * | 2021-12-21 | 2023-09-12 | 广州番禺巨大汽车音响设备有限公司 | Method and system for supporting dolby panoramic sound audio frequency by automatic matching |
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Application publication date: 20180529 |