CN102867525A - Multi-channel audio processing method, audio playback terminal and audio receiving device - Google Patents
Multi-channel audio processing method, audio playback terminal and audio receiving device Download PDFInfo
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- CN102867525A CN102867525A CN2012103311677A CN201210331167A CN102867525A CN 102867525 A CN102867525 A CN 102867525A CN 2012103311677 A CN2012103311677 A CN 2012103311677A CN 201210331167 A CN201210331167 A CN 201210331167A CN 102867525 A CN102867525 A CN 102867525A
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Abstract
The invention is suitable for the field of audio playing, and provides a multi-channel audio processing method, an audio playback terminal and an audio receiving device. The method comprises the following steps of establishing an audio channel index table by an audio playback terminal, packaging each channel audio and audio index which is used for identifying the channel audio as audio frames, and packaging the multi-channel audio frames as data frames; establishing wireless connection between the audio playback terminal and an audio receiving device; sending the audio channel index table by the audio playback terminal to the audio receiving device; and sending the data frames to the audio receiving device by the audio playback terminal. As the adoption of the multi-channel audio processing method, the audio playback terminal and the audio receiving device provided by the invention, the problem of mutual interference caused by playing multiple audios on the existing audio playing terminal synchronously is solved, thus, the multiple synchronously played audios and multiple audios are not interfered with each other, and selective audiovisual can be carried out at the same time.
Description
Technical field
The invention belongs to field of audio play, relate in particular to a kind of multichannel voice frequency disposal route, audio-frequency playing terminal and apparatus for receiving audio.
Background technology
Existing intelligent television, the audio-frequence player devices such as DVD than before audio-frequence player device, possessed more powerful multichannel voice frequency and the processing power of video.TV is also comparatively ripe with the wireless communication technology of telepilot etc., and TV can communicate with wireless terminals such as telepilot, smart mobile phones at present, sets up channel transmission data information at televisor and wireless terminal.Intelligent TV set can have the function that multichannel audio-video frequency is processed broadcast, and the various electronic amusement apparatus with this technology all have a wide range of applications.When playing a plurality of video simultaneously such as computer, a plurality of Audio and Videos can be exported simultaneously by computer, we can realize masking certain sound signal mode by software, so that the audio frequency of output directly can not disturb, namely export a sound signal, mask other sound signal, audio frequency corresponding to certain video of shielding that arrange by software exported, if the video of playing is that support is multi-lingual, when comprising the video of Chinese and English macaronic audio-frequency information environment in the video, by switched path, computer can be realized Chinese audio frequency output and the output of English audio frequency.Although can be simultaneously opening one at current screen, current intelligent television plays to a plurality of video windows, but TV only has an audio frequency outlet, can only play simultaneously an audio-source, if play simultaneously a plurality of audio-source, will carry out overlapping interference between the audio frequency, can't carry out normal audiovisual, present TV also can be implemented in simultaneously the backstage and play background music simultaneously, if but televisor is also being play simultaneously the audio-frequency information of other programs, audio-frequency information directly also can disturb with overlapping so, affects audiovisual.Perhaps film dubbing by multiple different language version simultaneously, such as an English film, someone wishes to hear is that the English of master is dubbed, but the Chinese after the translation that someone need to hear is dubbed, film possesses two kinds of voice data information immediately simultaneously, but when playing on TV, can only select a kind of audio frequency to play, two kinds of audio frequency can't be exported simultaneously, at synchronization, televisor can not clearly be play two kinds of audio frequency simultaneously with a film of being furnished with two kinds of audio frequency and dub.TV generally all is positioned in the public environment, TV is undertaken can only playing simultaneously one road audio frequency out when audio-frequency information is play by outside speaker, be that TV can only be play by an audio frequency outlet, if play simultaneously a plurality of audio frequency, playing simultaneously multichannel voice frequency can allow the people feel chaotic, who can't uppick oneself own wishes the sound heard to cause everybody, occurs stack between the audio file and disturbs, and the audio file of televising just can't be differentiated normally by people's ear and receive.
Summary of the invention
The object of the present invention is to provide a kind of multichannel voice frequency disposal route, audio-frequency playing terminal and apparatus for receiving audio, solved on audio-frequency playing terminal, to play simultaneously in the multiple audio frequency and do not interfere with each other mutually between the multiple audio frequency, can select simultaneously the problem of audiovisual.
The embodiment of the invention is achieved in that a kind of multichannel voice frequency disposal route, and described method comprises the steps:
Audio-frequency playing terminal is set up the voice-grade channel concordance list, described voice-grade channel concordance list comprises audio identifiers and the voice-grade channel indications corresponding to each audio identifiers of multichannel voice frequency, be encapsulated as together audio frame with each road audio frequency with for the audio index that identifies this road audio frequency, again the multichannel voice frequency frame be encapsulated as Frame;
Audio-frequency playing terminal and apparatus for receiving audio are set up wireless connections;
Audio-frequency playing terminal sends the voice-grade channel concordance list to apparatus for receiving audio;
Audio-frequency playing terminal sends Frame to apparatus for receiving audio.
Audio index comprises: audio identifiers and/or voice-grade channel indications.
After setting up voice-grade channel concordance list step, audio-frequency playing terminal also comprises:
When in progress multichannel voice frequency changes, upgrade the voice-grade channel concordance list, comprise the identifier of the multichannel voice frequency after the renewal in the voice-grade channel concordance list after the renewal and upgrade after the identifier of voice-grade channel corresponding to the identifier of multichannel voice frequency.
Audio-frequency playing terminal is sent to apparatus for receiving audio with the voice-grade channel concordance list and specifically comprises:
Judge whether that new apparatus for receiving audio and audio-frequency playing terminal set up wireless connections, when having new apparatus for receiving audio and audio-frequency playing terminal to set up wireless connections, send the voice-grade channel concordance list to new apparatus for receiving audio.
A kind of multichannel voice frequency disposal route, described method comprises the steps:
Apparatus for receiving audio and audio-frequency playing terminal are set up wireless connections;
The voice-grade channel concordance list that apparatus for receiving audio audio reception playback terminal sends;
The audio index that apparatus for receiving audio determine to need receives receives and the resolution data frame needing to obtain audio frame corresponding to audio index that receive;
Apparatus for receiving audio is resolved audio frame and is play.
After the voice-grade channel concordance list step that apparatus for receiving audio audio reception playback terminal sends, also comprise:
When the voice-grade channel concordance list that receives occurs to upgrade, replace old voice-grade channel concordance list with new voice-grade channel concordance list.
Before resolving audio frame and play, apparatus for receiving audio also comprises:
Whether the audio index in the verification msg frame is identical with definite audio frequency of reception that needs.
A kind of audio-frequency playing terminal, described audio-frequency playing terminal comprises:
The data encapsulation unit is used for audio-frequency playing terminal and sets up the voice-grade channel concordance list, is encapsulated as together audio frame with each road audio frequency with for the audio index that identifies this road audio frequency, again the multichannel voice frequency frame is encapsulated as Frame;
The first radio function linkage unit is used for audio-frequency playing terminal and apparatus for receiving audio and sets up wireless connections;
The concordance list transmitting element is used for audio-frequency playing terminal the voice-grade channel concordance list is sent to apparatus for receiving audio;
Information transmitting unit is used for audio-frequency playing terminal Frame is sent to apparatus for receiving audio.
Audio-frequency playing terminal also comprises:
The concordance list updating block, be used for judging when in progress multichannel voice frequency changes, upgrade the voice-grade channel concordance list, comprise the identifier of the multichannel voice frequency after the renewal in the voice-grade channel concordance list after the renewal and upgrade after the identifier of voice-grade channel corresponding to the identifier of multichannel voice frequency.
A kind of apparatus for receiving audio, described apparatus for receiving audio comprises:
The second radio function linkage unit is used for apparatus for receiving audio and audio-frequency playing terminal and sets up wireless connections;
The concordance list receiving element is used for the voice-grade channel concordance list that apparatus for receiving audio audio reception playback terminal sends;
The Frame receiving element is used for apparatus for receiving audio and need determines the audio index that receives, receives and the resolution data frame obtains the audio frame that needs the audio reception index corresponding;
Broadcast unit is used for apparatus for receiving audio and resolves audio frame and play.
Invention is by a kind of multichannel voice frequency disposal route, audio-frequency playing terminal and apparatus for receiving audio, solved the problem of on audio-frequency playing terminal, playing simultaneously multiple audio frequency, so that do not disturb each other when playing multichannel voice frequency simultaneously, and can carry out simultaneously audiovisual, the user can select the audio frequency of the different language of in progress program to listen to, and realizes carrying out simultaneously the audiovisual of the multiple different audio frequency of the audio frequency playback of audio-visual of a plurality of programs or a program.
Description of drawings
Fig. 1 is the realization flow figure of the audio-frequency playing terminal embodiment one of a kind of multichannel voice frequency disposal route provided by the invention;
Fig. 2 is the realization flow figure of the apparatus for receiving audio embodiment one of a kind of multichannel voice frequency disposal route provided by the invention;
Fig. 3 is the structural drawing of audio-frequency playing terminal provided by the invention and apparatus for receiving audio embodiment one;
Fig. 4 is the realization flow figure of the audio-frequency playing terminal embodiment two of a kind of multichannel voice frequency disposal route provided by the invention;
Fig. 5 is the realization flow figure of the apparatus for receiving audio embodiment two of a kind of multichannel voice frequency disposal route provided by the invention;
Fig. 6 is the structural drawing of audio-frequency playing terminal embodiment two provided by the invention; And
Fig. 7 is the structural drawing of apparatus for receiving audio embodiment two provided by the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with the drawings and the specific embodiments, the present invention is further elaborated.Should be appreciated that embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Embodiment one:
The invention provides a kind of multichannel voice frequency disposal route, the method comprises the steps: in the implementation procedure of audio-frequency playing terminal as shown in Figure 1
S101, audio-frequency playing terminal is set up the voice-grade channel concordance list, described voice-grade channel concordance list comprises audio identifiers and the voice-grade channel indications corresponding to each audio identifiers of multichannel voice frequency, be encapsulated as together audio frame with each road audio frequency with for the audio index that identifies this road audio frequency, again the multichannel voice frequency frame be encapsulated as Frame;
S102, audio-frequency playing terminal and apparatus for receiving audio are set up wireless connections;
S103, audio-frequency playing terminal is sent to apparatus for receiving audio with the voice-grade channel concordance list;
S104, audio-frequency playing terminal send Frame to apparatus for receiving audio.
Method provided by the invention is by being encapsulated as a Frame with in progress multichannel voice frequency and audio index corresponding to multichannel voice frequency, Frame in progress audio frequency is corresponding by the mode of wireless connections sends to apparatus for receiving audio by wireless mode, data mode with audio frame sends to apparatus for receiving audio, has increased the mode that sends audio frequency by the data mode of audio frame on the basis of traditional mode that in progress audio frequency is directly play by loudspeaker.By the wireless connections mode in progress audio frequency can be sent a plurality of in progress audio frequency simultaneously by the Frame mode, can be owing to all playing the confusion that occurs acoustically at loudspeaker between a plurality of audio frequency so that play at the same time, the audio plays by form of data frames simultaneously, the audio frequency that the user can select own needs to answer according to the needs of oneself, wherein audio index can be audio identifiers and/or voice-grade channel indications, and the voice-grade channel indications is the channel number of audio-frequency playing terminal transmission of audio; Audio identifiers can be the numbering of the in progress audio frequency of audio-frequency playing terminal, such as the channel number CCTV-1 that plays TV programme or just in sequential encoding of displaying video etc.; Multichannel voice frequency is encapsulated as the multichannel voice frequency frame according to predetermined tunneling, I road audio frame is specially: the size of data of I road audio index, I road audio frequency, the concrete mode that the data content of I road audio frequency, multichannel voice frequency frame are encapsulated as Frame is: the size of data of data frame head, Frame ... .. (I-1) road audio frame, I road audio frame ...,, the data postamble.Wherein I is arbitrary value among 1 ~ n, and n is the total amount of in progress audio frequency.
Optionally, this audio index also can be used for verifying after apparatus for receiving audio receives this audio frequency except in order to identify the multichannel voice frequency.
Optionally, after setting up voice-grade channel concordance list step, audio-frequency playing terminal also comprises:
When in progress multichannel voice frequency changes, upgrade the voice-grade channel concordance list, comprise the identifier of the multichannel voice frequency after the renewal in the voice-grade channel concordance list after the renewal and upgrade after the identifier of voice-grade channel corresponding to the identifier of multichannel voice frequency.
Because some increases or minimizing can occur in progress audio program, one to one between multichannel voice frequency and the voice-grade channel, the change sound passage concordance list of rear correspondence of audio program also can change, namely increase the project in the voice-grade channel concordance list or reduce project in the voice-grade channel concordance list, up-to-date voice-grade channel concordance list is sent to apparatus for receiving audio, so that the content in the voice-grade channel concordance list that provides all is the audio program that the user can select in real time.
Optionally, sending voice-grade channel concordance list to apparatus for receiving audio at audio-frequency playing terminal specifically comprises:
Judge whether that new apparatus for receiving audio and audio-frequency playing terminal set up wireless connections, when being arranged, new apparatus for receiving audio and audio-frequency playing terminal set up wireless connections, send the voice-grade channel concordance list to apparatus for receiving audio, herein specifically can also be for when having new apparatus for receiving audio to set up wireless connections, just sending the voice-grade channel concordance list to newly-increased apparatus for receiving audio, and do not need to repeat to send the voice-grade channel concordance list during newly-increased apparatus for receiving audio, only need to send the multichannel data frame, reduce the redundant data amount.
Because apparatus for receiving audio may have increase and decrease, when having apparatus for receiving audio to reduce owing to can not have influence on the broadcast of original program, do not need to send the voice-grade channel concordance list, but when having new apparatus for receiving audio to connect, because new apparatus for receiving audio does not have the voice-grade channel concordance list, can't carry out the audio frequency that selective reception need to receive, after audio-frequency playing terminal detected new apparatus for receiving audio and connected this moment, existing voice-grade channel concordance list on the audio-frequency playing terminal is sent to new apparatus for receiving audio, and apparatus for receiving audio just can be selected according to the voice-grade channel concordance list audio frequency of needs reception.
A kind of multichannel voice frequency disposal route, the method comprises the steps: in the implementation procedure of apparatus for receiving audio as shown in Figure 2
S201, apparatus for receiving audio and audio-frequency playing terminal are set up wireless connections;
S202, the voice-grade channel concordance list that apparatus for receiving audio audio reception playback terminal sends;
The audio index that S203, apparatus for receiving audio determine to need receive receives and the resolution data frame needing to obtain audio frame corresponding to audio index that receive;
S204, apparatus for receiving audio is resolved audio frame and is play.
Set up wireless connections by apparatus for receiving audio and audio-frequency playing terminal, by the voice-grade channel concordance list that the audio reception playback terminal sends, each audio index in the audio frame that receives is audio identifiers and/or voice-grade channel indications; When containing the voice-grade channel indications in the audio index, apparatus for receiving audio receives the audio identifiers of user selection, identifier according to audio frequency finds the corresponding voice-grade channel indications of audio frequency by the voice-grade channel concordance list, then the resolution data frame obtains audio frame, the voice-grade channel indications that encapsulates in definite voice-grade channel indications that needs and the audio frame is compared, obtain required audio frame; When audio index is audio identifiers, directly compare by audio identifiers and the audio frame sound intermediate frequency identifier of user selection, establish required audio frame.
Wherein, when containing the voice-grade channel indications in the audio index, apparatus for receiving audio also can be by the audio frequency receiving cable indications of default storage, as when starting shooting, being defaulted as the audio frequency that receives the 1st passage, then the resolution data frame obtains audio frame, the voice-grade channel indications that encapsulates in definite voice-grade channel indications that needs and the audio frame is compared, obtain required audio frame; When audio index was audio identifiers, the audio frequency receiving cable indications of apparatus for receiving audio by default storage obtained corresponding audio identifiers and audio frame sound intermediate frequency identifier and compares according to searching the voice-grade channel concordance list, establishes required audio frequency.Because each voice-grade channel of audio-frequency playing terminal is fixed, with the indications of voice-grade channel indications as each road audio frequency, when in progress audio frequency is dynamic change, the audio frequency receiving terminal can be identified by comparing this indications each road audio frequency of audio-frequency playing terminal, therefore when containing the voice-grade channel indications in the audio index, can make the user switch to more exactly the audio frequency of required reception, receive the Frame of the audio frequency of determining required reception according to voice-grade channel, the Frame that apparatus for receiving audio receives by the fixed-audio passage when follow-up audio reception just only has the audio frequency of this program, apparatus for receiving audio in this way, the audio frequency that on apparatus for receiving audio user selection is received is resolved and is play, audio-frequency playing terminal is play a plurality of audio frequency simultaneously, the audio frequency that apparatus for receiving audio receives according to the own needs of the selective reception of oneself, in this way, play different audio programs at different apparatus for receiving audio, just realized that audio-frequency playing terminal plays the function of a plurality of audio frequency simultaneously.
Optionally, after the voice-grade channel concordance list step that apparatus for receiving audio audio reception playback terminal sends, also comprise:
When the voice-grade channel concordance list that receives occurs to upgrade, replace old voice-grade channel concordance list with new voice-grade channel concordance list.
Whether change by detecting timely the voice-grade channel concordance list, the audio frequency that obtains correct Gong apparatus for receiving audio selective reception receives, replace old voice-grade channel concordance list by upgrading the voice-grade channel concordance list, when selecting, just can not choose the audio frequency that does not have program, perhaps select the audio frequency less than up-to-date program, apparatus for receiving audio is after receiving new voice-grade channel concordance list, new voice-grade channel concordance list is replaced original voice-grade channel concordance list, so that the voice-grade channel concordance list is correct up-to-date voice-grade channel concordance list all the time.
Optionally, before resolving audio frame and play step, apparatus for receiving audio also comprises:
Whether the audio index in the checking audio frame is identical with definite audio index of reception that needs, if the information that audio index and user select by the audio index table or the audio index of apparatus for receiving audio default storage are consistent, i.e. checking is passed through, can resolve audio frame and broadcast this moment, if the result of checking has different, i.e. checking can not be passed through, and just can't carry out normal play this moment, guarantees that in this way the audio frequency of selecting is exactly the audio frequency that the user needs.
The present invention also provides a kind of audio-frequency playing terminal and apparatus for receiving audio, and as shown in Figure 3, this audio-frequency playing terminal 31 and apparatus for receiving audio 32 form a kind of multichannel voice frequency disposal system, and wherein audio-frequency playing terminal 31 comprises:
The first radio function linkage unit 312 is used for audio-frequency playing terminal 31 and sets up wireless connections with apparatus for receiving audio 32;
Concordance list transmitting element 313, be used for audio-frequency playing terminal 31 with the voice-grade channel concordance list to apparatus for receiving audio 32;
Apparatus for receiving audio 32 comprises:
The second radio function linkage unit 322 is used for apparatus for receiving audio 32 and sets up wireless connections with audio-frequency playing terminal 31;
Concordance list receiving element 323 is used for the voice-grade channel concordance list that apparatus for receiving audio 32 audio reception playback terminals 31 send;
Frame receiving element 324 is used for apparatus for receiving audio 32 and need determines the audio indexes that receive, receives and the resolution data frame needing to obtain audio frame corresponding to audio index that receive;
Audio-frequency playing terminal 31 will be set up the voice-grade channel concordance list by data encapsulation unit 311 between in progress multichannel voice frequency and the voice-grade channel, then multichannel voice frequency is encapsulated as a circuit-switched data frame according to predetermined tunneling, set up wireless connections by the first radio function linkage unit 312 and the second radio function linkage unit 322 of apparatus for receiving audio 32, Frame is sent to apparatus for receiving audio 32 by information transmitting unit 313, thereby when realizing that 31 pairs of multichannel voice frequency of audio-frequency playing terminal are play, a plurality of apparatus for receiving audio 32 can the selectivity audiovisual.The second radio function linkage unit 322 that passes through of apparatus for receiving audio 32 is set up wireless connections with audio-frequency playing terminal 31, pass through voice-grade channel concordance list and the Frame of concordance list transmitting element 313 and information transmitting unit 314 transmissions by concordance list receiving element 323 and Frame receiving element 324 difference audio reception playback terminals 31, because apparatus for receiving audio 32 audio reception concordance lists and Frame separate, the audio index table comprises identifier and the voice-grade channel indications corresponding to multichannel voice frequency identifier of multichannel voice frequency, audio-frequency playing terminal 31 need to determine the corresponding audio index of audio frequency of reception, it can be the audio frequency indications of user selection, the also voice-grade channel indications of apparatus for receiving audio 32 default storage, again by following audio frame corresponding to audio index in Frame receiving element 324 receiving data frames, and by broadcast unit 321 parsings and broadcast, the audio frame that receives so all is a fixed knot purpose audio-frequency information.
Optionally, audio-frequency playing terminal 31 also comprises:
The concordance list updating block, be used for judging when in progress multichannel voice frequency changes, upgrade the voice-grade channel concordance list, comprise the identifier of the multichannel voice frequency after the renewal in the voice-grade channel concordance list after the renewal and upgrade after the identifier of voice-grade channel corresponding to the identifier of multichannel voice frequency.
Optionally, concordance list transmitting element 313 is specially:
Be used for judging whether that new apparatus for receiving audio and audio-frequency playing terminal set up wireless connections, when having new apparatus for receiving audio and audio-frequency playing terminal to set up wireless connections, send the apparatus for receiving audio that the voice-grade channel concordance list extremely increases newly.
Optionally, apparatus for receiving audio 32 also comprises:
The concordance list updating block is used for replacing old voice-grade channel concordance list with new voice-grade channel concordance list when the voice-grade channel concordance list that receives occurs to upgrade.
Optionally, apparatus for receiving audio 32 also comprises:
The index authentication unit, whether the audio index that is used for the checking audio frame is identical with definite audio index of reception that needs, if audio frame sound intermediate frequency index is consistent with the audio index of user selection audio index or apparatus for receiving audio default storage, i.e. checking is passed through, can resolve corresponding audio frame and play this moment, if the result of checking has different, i.e. checking can not be passed through, just can't carry out normal play this moment, guarantees that in this way the audio frequency of selecting is exactly the audio frequency that the user needs.
Can realize that by above-mentioned audio-frequency playing terminal and apparatus for receiving audio audio-frequency playing terminal exports a plurality of audio programs simultaneously, by wireless mode audio program is exported, audio frame and voice-grade channel concordance list that the audio frequency receiving terminal sends by the audio reception playback terminal, play by operations such as parsings again, the audio frequency receiving terminal is selected oneself to need the audio program of reception, audio-frequency playing terminal just can be play multichannel voice frequency simultaneously in this way, and apparatus for receiving audio then receives the audio frequency of own needs separately according to oneself needs.Play when realizing multichannel voice frequency and listen to.
Embodiment two:
Fig. 4 shows the realization flow figure of embodiment two of the audio-frequency playing terminal of a kind of multichannel voice frequency disposal route provided by the invention, for convenience of explanation, only shows the part relevant with the embodiment of the invention, and details are as follows:
S401, audio-frequency playing terminal set up the voice-grade channel concordance list, are encapsulated as together audio frame with each road audio frequency with for the audio index that identifies this road audio frequency, again the multichannel voice frequency frame are encapsulated as Frame.
Because the audio frequency that audio-frequency playing terminal needs to play simultaneously is multichannel, need again to distinguish for multichannel voice frequency, so that each road audio frequency can not obscured, therefore multichannel voice frequency is set up the voice-grade channel concordance list, the voice-grade channel concordance list comprises multichannel voice frequency identifier and voice-grade channel indications corresponding to multichannel voice frequency identifier, come Division identification to arrive different audio frequency by the audio index table, audio index comprises audio identifiers or/and voice-grade channel indications corresponding to audio identifiers, confirms in the audio frame that by audio identifiers index and/or voice-grade channel indications corresponding to audio identifiers are encapsulated in the audio frequency that receives is the audio frequency that user selection receives.
S402 when in progress multichannel voice frequency changes, upgrades the voice-grade channel concordance list.
When multichannel voice frequency is play simultaneously, the increase of audio program partly or the minimizing of part audio program can occur unavoidably, for the situation that increases or reduce audio program, need in time the voice-grade channel concordance list to be upgraded, so that passage can in time obtain utilizing, the information of simultaneously audio program adjustment also embodies in the voice-grade channel concordance list to be processed, variation has occured in notification audio receiving trap audio program, and whether the corresponding voice-grade channel of audio frequency after changing change, and apparatus for receiving audio just entanglement can not occur when switching the voice-grade channel audio reception in the audio frequency that follow-up selection need to receive.
S403, audio-frequency playing terminal and apparatus for receiving audio are set up wireless connections.
Audio-frequency playing terminal and apparatus for receiving audio are set up wireless connections, because multichannel voice frequency sends to apparatus for receiving audio by the wireless connections mode, apparatus for receiving audio and audio-frequency playing terminal will communicate, at first need to set up wireless connections, audio frame and voice-grade channel concordance list could be sent to apparatus for receiving audio by the wireless connections of setting up, concrete apparatus for receiving audio and audio-frequency playing terminal be connected the process of foundation can for; The network at apparatus for receiving audio active scan apparatus for receiving audio place, whether detect has new audio reception device to connect, perhaps work as apparatus for receiving audio and need the in progress audio frequency of audio reception receiving trap, initiatively connect with apparatus for receiving audio, namely apparatus for receiving audio and apparatus for receiving audio both-end can initiatively connect with the other end.
S404 judges whether that new apparatus for receiving audio and audio-frequency playing terminal set up wireless connections, when having new apparatus for receiving audio and audio-frequency playing terminal to set up wireless connections, sends the voice-grade channel concordance list to new apparatus for receiving audio.
Because apparatus for receiving audio and audio-frequency playing terminal are set up after the wireless connections, wireless connections between them may change, namely increase or reduce apparatus for receiving audio, when having apparatus for receiving audio to reduce, can not exert an influence, if just can't not select program but after having new apparatus for receiving audio to connect, obtain the voice-grade channel concordance list, just need to send a voice-grade channel concordance list to newly-increased apparatus for receiving audio by audio-frequency playing terminal this moment, if there is not newly-increased apparatus for receiving audio, then carry out S405, wherein start shooting first when audio-frequency playing terminal and set up wireless connections with apparatus for receiving audio and also belong to and have new apparatus for receiving audio and audio-frequency playing terminal to set up wireless connections, therefore need voice-grade channel concordance list of transmission to all apparatus for receiving audio that links to each other with audio-frequency playing terminal.
S405, audio-frequency playing terminal is sent to apparatus for receiving audio with Frame.
Audio-frequency playing terminal is sent to apparatus for receiving audio with Frame, multichannel voice frequency sends with the form of Frame, all audio-frequency informations are included in the data frame content of external transmission, have in wherein comprising in the audio frame: the postamble of the data content of the frame head sign of audio frame, audio index, audio frequency, the size of data of audio frequency and audio frame indicates.Audio index comprises audio identifiers and/or voice-grade channel indications, wherein audio index also can be used for verifying in the audio frame audio index with determine whether the audio index that needs receive identical, and then only transmission when renewal is arranged and when new apparatus for receiving audio access is arranged of voice-grade channel concordance list.
Fig. 5 is the realization flow figure of the apparatus for receiving audio embodiment two of a kind of multichannel voice frequency disposal route provided by the invention, for convenience of explanation, only shows the part relevant with the embodiment of the invention, and details are as follows:
S501, apparatus for receiving audio and audio-frequency playing terminal are set up wireless connections.
Apparatus for receiving audio and audio-frequency playing terminal are set up wireless connections, the mode that apparatus for receiving audio and audio-frequency playing terminal connect has: apparatus for receiving audio initiatively connects with audio-frequency playing terminal, and audio-frequency playing terminal initiatively connects with apparatus for receiving audio.
S502, the voice-grade channel concordance list that apparatus for receiving audio audio reception playback terminal sends.
The voice-grade channel concordance list that apparatus for receiving audio audio reception playback terminal sends, the voice-grade channel concordance list comprises identifier and the voice-grade channel indications corresponding to multichannel voice frequency identifier of multichannel voice frequency, and apparatus for receiving audio is selected oneself to need the audio frequency of reception by the voice-grade channel concordance list.
S503 judges whether the audio index table that receives upgrades.If, carry out S504, if not, carry out S505.
S504 replaces old voice-grade channel concordance list with new voice-grade channel concordance list.
Voice-grade channel concordance list in the audio frame that judgement receives upgrades, the voice-grade channel concordance list that receives before then new voice-grade channel concordance list being replaced.
S505, apparatus for receiving audio determine the audio index of required reception, and receiving also, the resolution data frame obtains the required corresponding audio frame of audio reception index.
It is those that the user just can access in progress audio frequency by the information in the voice-grade channel concordance list, and the residing passage of these audio frequency, the voice-grade channel indications of audio identifiers or apparatus for receiving audio default setting by user selection, determine the audio index of required reception, because audio frequency all identifies by identifier in the voice-grade channel concordance list, also select by audio identifiers when selecting audio frequency.Or obtain corresponding voice-grade channel indications by audio identifiers, then the resolution data frame obtains audio frame, audio identifiers in required audio identifiers or voice-grade channel indications and the audio frame or voice-grade channel indications are compared, obtain required audio frame.
S506, whether the audio index in the checking audio frame is identical with definite audio index of reception that needs, if identical execution S507 carries out S505 otherwise return.
When receiving Frame later on by the audio index in the audio frame is verified, whether the audio index that checking receives is the audio index of user selection reception or apparatus for receiving audio default setting, if not, then do not play, re-execute S505, receiving also, the resolution data frame obtains the required corresponding audio frame of audio reception index; If then carry out S507.Thereby guarantee that the audio frequency of playing is the audio frequency of the needs broadcast of user selection or apparatus for receiving audio acquiescence.
S507, apparatus for receiving audio is resolved audio frame and is play.
Apparatus for receiving audio is resolved the audio frame that receives, and obtains the voice data in this audio frame, resolves the audio frequency in the audio frame of playing.
This selection mode by apparatus for receiving audio, the audio frequency that apparatus for receiving audio receives is exactly the audio frequency that the user need to receive, the information of other audio frequency just need not receive, when needs switch audio frequency, the user can determine by key (apparatus for receiving audio reference audio concordance list comes up/down adjust the value of audio frequency indications) about selecting or numerical key (the voice-grade channel indications in the apparatus for receiving audio reference audio concordance list is adjusted the value of audio frequency indications) audio frequency of required reception, obtain required audio frequency by voice-grade channel indications or audio identifiers in the comparison audio frame, make things convenient for the switching of user between different voice-grade channels.
Fig. 6 is the structural drawing of a kind of audio-frequency playing terminal embodiment two provided by the invention, for convenience of explanation, only shows the part relevant with the embodiment of the invention, and details are as follows:
The first radio function linkage unit 62 is used for audio-frequency playing terminal and apparatus for receiving audio and sets up wireless connections;
Concordance list updating block 64, be used for judging when in progress multichannel voice frequency changes, upgrade the voice-grade channel concordance list, comprise the identifier of the multichannel voice frequency after the renewal in the voice-grade channel concordance list after the renewal and upgrade after the identifier of voice-grade channel corresponding to the identifier of multichannel voice frequency.
Concordance list transmitting element 65 is used for judging whether that new apparatus for receiving audio and audio-frequency playing terminal set up wireless connections, and when having new apparatus for receiving audio and audio-frequency playing terminal to set up wireless connections, transmission voice-grade channel concordance list is new apparatus for receiving audio extremely.
Fig. 7 is the structural drawing of a kind of apparatus for receiving audio embodiment two provided by the invention, for convenience of explanation, only shows the part relevant with the embodiment of the invention, and details are as follows:
The second radio function linkage unit 71 is used for apparatus for receiving audio and audio-frequency playing terminal and sets up wireless connections;
Concordance list receiving element 72 is used for the voice-grade channel concordance list that apparatus for receiving audio audio reception playback terminal sends;
Frame receiving element 73 is used for the audio index that apparatus for receiving audio need to determine reception, and reception and resolution data frame obtain determining required audio frame corresponding to audio index;
Concordance list updating block 75 is used for replacing old voice-grade channel concordance list with new voice-grade channel concordance list when the voice-grade channel concordance list that receives occurs to upgrade;
Need to prove that wherein apparatus for receiving audio can be smart mobile phone, with the device of receive data by wireless function and loudspeaker, perhaps with the apparatus for receiving audio of receive data by wireless function and receiver J-Horner.
The embodiment of the invention is by a kind of method of playing television audio, audio-frequency playing terminal and apparatus for receiving audio, solved a kind of problem of on apparatus for receiving audio, playing simultaneously multiple audio frequency, so that do not disturb each other when audio plays simultaneously, and can carry out simultaneously audiovisual, simultaneously can provide the audio frequency of the different language version of an in progress TV programme to offer apparatus for receiving audio, other audio frequency that can play by apparatus for receiving audio such as the backstage background music of audio-frequency playing terminal, enrich the audio frequency that apparatus for receiving audio is play simultaneously, the present invention is applicable to intelligent television, the audio-frequence player devices such as DVD, by multichannel voice frequency is play simultaneously, solve these equipment and can not play simultaneously the problem of multichannel voice frequency, needs according to oneself during the apparatus for receiving audio audio reception receive the audio frequency that own needs receive, the operation when selecting new audio program of the step of switching audio frequency and mode, by the way the user can selective reception with the audio frequency of the different language version on the TV programme or the audio frequency that oneself need to listen to of in progress a plurality of programs, and switch on the audio program such as background music and listen to.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be stored in the computer read/write memory medium, described storage medium is such as ROM/RAM, disk, CD etc.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a multichannel voice frequency disposal route is characterized in that, described method comprises the steps
Audio-frequency playing terminal is set up the voice-grade channel concordance list, described voice-grade channel concordance list comprises audio identifiers and the voice-grade channel indications corresponding to each audio identifiers of multichannel voice frequency, be encapsulated as together audio frame with each road audio frequency with for the audio index that identifies this road audio frequency, again the multichannel voice frequency frame be encapsulated as Frame;
Audio-frequency playing terminal and apparatus for receiving audio are set up wireless connections;
Audio-frequency playing terminal sends the voice-grade channel concordance list to apparatus for receiving audio;
Audio-frequency playing terminal sends Frame to apparatus for receiving audio.
2. the method for claim 1 is characterized in that, described audio index comprises: audio identifiers and/or voice-grade channel indications.
3. the method for claim 1 is characterized in that, described method also comprises after audio-frequency playing terminal is set up voice-grade channel concordance list step:
When in progress multichannel voice frequency changes, upgrade the voice-grade channel concordance list, comprise the identifier of the multichannel voice frequency after the renewal in the voice-grade channel concordance list after the renewal and upgrade after the identifier of voice-grade channel corresponding to the identifier of multichannel voice frequency.
4. the method for claim 1 is characterized in that, described method sound intermediate frequency playback terminal is sent to apparatus for receiving audio with the voice-grade channel concordance list and specifically comprises:
Judge whether that new apparatus for receiving audio and audio-frequency playing terminal set up wireless connections, when having new apparatus for receiving audio and audio-frequency playing terminal to set up wireless connections, send the voice-grade channel concordance list to new apparatus for receiving audio.
5. a multichannel voice frequency disposal route is characterized in that, described method comprises the steps:
Apparatus for receiving audio and audio-frequency playing terminal are set up wireless connections;
The voice-grade channel concordance list that apparatus for receiving audio audio reception playback terminal sends;
The audio index that apparatus for receiving audio determine to need receives receives and the resolution data frame needing to obtain audio frame corresponding to audio index that receive;
Apparatus for receiving audio is resolved audio frame and is play.
6. method as claimed in claim 5 is characterized in that, described method also comprises after the voice-grade channel concordance list step that apparatus for receiving audio audio reception playback terminal sends:
When the voice-grade channel concordance list that receives occurs to upgrade, replace old voice-grade channel concordance list with new voice-grade channel concordance list.
7. method as claimed in claim 5 is characterized in that, described method also comprised before apparatus for receiving audio is resolved audio frame and play:
Whether the audio index in the verification msg frame is identical with definite audio frequency of reception that needs.
8. an audio-frequency playing terminal is characterized in that, described audio-frequency playing terminal comprises:
The data encapsulation unit is used for audio-frequency playing terminal and sets up the voice-grade channel concordance list, is encapsulated as together audio frame with each road audio frequency with for the audio index that identifies this road audio frequency, again the multichannel voice frequency frame is encapsulated as Frame;
The first radio function linkage unit is used for audio-frequency playing terminal and apparatus for receiving audio and sets up wireless connections;
The concordance list transmitting element is used for audio-frequency playing terminal the voice-grade channel concordance list is sent to apparatus for receiving audio;
Information transmitting unit is used for audio-frequency playing terminal Frame is sent to apparatus for receiving audio.
9. audio-frequency playing terminal as claimed in claim 8 is characterized in that, described audio-frequency playing terminal also comprises:
The concordance list updating block, be used for judging when in progress multichannel voice frequency changes, upgrade the voice-grade channel concordance list, comprise the identifier of the multichannel voice frequency after the renewal in the voice-grade channel concordance list after the renewal and upgrade after the identifier of voice-grade channel corresponding to the identifier of multichannel voice frequency.
10. an apparatus for receiving audio is characterized in that, described apparatus for receiving audio comprises:
The second radio function linkage unit is used for apparatus for receiving audio and audio-frequency playing terminal and sets up wireless connections;
The concordance list receiving element is used for the voice-grade channel concordance list that apparatus for receiving audio audio reception playback terminal sends;
The Frame receiving element is used for apparatus for receiving audio and need determines the audio index that receives, receives and the resolution data frame obtains the audio frame that needs the audio reception index corresponding; Broadcast unit is used for apparatus for receiving audio and resolves audio frame and play.
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