CN104244071A - Audio playing system and control method - Google Patents
Audio playing system and control method Download PDFInfo
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- CN104244071A CN104244071A CN201310242332.6A CN201310242332A CN104244071A CN 104244071 A CN104244071 A CN 104244071A CN 201310242332 A CN201310242332 A CN 201310242332A CN 104244071 A CN104244071 A CN 104244071A
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Abstract
The invention discloses an audio playing system and a control method, and belongs to the technical field of audio playing devices. The audio playing system comprises an audio editing module, a transmitting module, a receiving module, an audio restoring module and an audio playing part. Audio signals output by at least two audio sources are mixed to form a signal flow according to a preset strategy through the audio editing module. The transmitting module transmits the signal flow formed by the audio editing module; the receiving module is used for receiving the signal flow transmitted by the transmitting module; the audio restoring module is used for restoring the signal flow received by the receiving module into at least two audio flows corresponding to the audio signals output by at least two audio sources in a reverse operation mode of the preset strategy. By means of the technical scheme, the audio playing system and the control method have the advantages that the multiple-channel 3D surround is achieved, and when different television channels are watched through one development device, the accompanying sound audios corresponding to the television channels can be played at the same time.
Description
Technical field
The present invention relates to audio-frequence player device, particularly relate to a kind of audio frequency broadcast system and control method.
Background technology
The display of high frequency display and high refresh rate is by wide weary use, and wherein applying maximum is display screen as 3D image, and makes user see three-dimensional image frame by polaroid glasses or active-shutter glasses.Wherein, adopting the 3D Display Technique of active shutter glasses to be also used in utilizes same picture reproducer to watch on different television channels, by the vision signal of multiple television channel is synthesized in same video signal flow with the technology that 3D shows, several user wears active-shutter glasses respectively, from video signal flow, isolated the image frame of each different channel corresponding by active-shutter glasses respectively, realize several user and utilize a picture reproducer to watch different television channels simultaneously.But, although high frequency display coordinates active-shutter glasses can isolate the image frame of each different channel from video signal flow, but the synchronous broadcasting of the audio signal of each channel cannot be realized, although therefore technique scheme can realize several user and utilizes a picture reproducer to watch the image frame of different television channels simultaneously, but cannot play the audio signal of different television channel respectively to several user simultaneously, high frequency display is made to coordinate active-shutter eyewear applications cannot really realize in the imagination utilizing a picture reproducer to watch different television channels.
Summary of the invention
For the problems referred to above that existing high frequency display coordinates active-shutter eyewear applications to exist in time utilizing a picture reproducer to watch different television channels, now provide a kind of equipment being intended to realize to utilize one can be integrated in high frequency display to play audio frequency broadcast system and the control method of the audio signal of different television channel to several user simultaneously.
Concrete technical scheme is as follows:
A kind of audio frequency broadcast system, is applied in the video-audio playing device being at least provided with two audio-source, wherein, comprises audio editing module, sends module, receives module, audio frequency reduces module and audio frequency playback component;
Described audio editing module is connected with at least two described audio-source, and the audio signal that at least two described audio-source export is mixed into a signal stream with predetermined policy;
Described transmission module is connected with described audio editing module, and launches the described signal stream of described audio editing module formation;
Described reception module is connected with described transmission module, in order to receive the described signal stream that described transmission module is launched;
Described audio frequency reduction module is connected with described reception module, is reduced at least two audio streams corresponding to audio signal that audio-source described with at least two export for the described signal stream that received by described reception module in the reverse operating mode of described predetermined policy;
Described audio frequency playback component and described audio frequency reduce module and are connected, and play at least two described audio streams in multiple broadcasting passage simultaneously, or from least two described audio streams, select a described audio stream to play by a selector switch.
Preferably, described audio editing module comprises audio segmentation unit, described audio segmentation unit is connected with at least two described audio-source, for the audio signal that at least two described audio-source export being divided into multistage voice data respectively according to the predetermined dividing method in described predetermined policy.
Preferably, described audio editing module comprises signal split unit, described signal split unit is connected respectively with described audio segmentation unit and described transmission module, form a signal stream for voice data split described in the multistage that formed by described audio segmentation unit according to the predetermined combination method in described preset strategy, and launched by described transmission module.
Preferably, described audio frequency reduction module comprises signal segmentation unit, described signal segmentation unit is connected with described reception module, for the reverse operating mode according to the predetermined combination method in described predetermined policy, the signal flow point that described reception module receives is slit into multi-segment signal data.
Preferably, described audio frequency reduction module comprises audio frequency split unit, described audio frequency split unit is connected with described signal segmentation unit and described audio frequency playback component, piece together at least two audio streams corresponding to audio signal that audio-source described with at least two export for signal data described in the multistage that formed by described signal segmentation unit according to the reverse operating mode of the predetermined dividing method in described predetermined policy, and select one of them audio stream to be play by described audio frequency playback component by the selector switch of described audio frequency playback component.
Preferably, described transmission module and described reception module are connected by cable or wireless transmitter.
A kind of video-audio playing device, wherein, comprise above-mentioned audio frequency broadcast system, also comprise at least two video source, display module and at least one with described display mould splits from video reduction apparatus, at least two described audio-source are the audio signal of correspondence at least two described video source;
Described display module is connected with at least two described video source, becomes a video flowing in order to the video signal mixture at least two described video source exported and is shown;
Described video reduction apparatus is used for the described video flowing of described display module displays to be reduced at least two group video pictures corresponding to vision signal that video source described with at least two export, and the one group of video pictures choosing the vision signal that a corresponding described video source exports is play, or in multiple broadcasting passage, play at least two group video pictures of the vision signal that corresponding at least two described video source export simultaneously.
Preferably, described video reduction apparatus comprises the main body of a glasses type, and the playback component of described audio frequency broadcast system is formed primarily of the earphone be connected in described main body.
Preferably, described main body is provided with diverter switch, when described diverter switch is used to one group of video pictures of the vision signal that the corresponding described video source of described video reduction apparatus broadcasting exports, switch between at least two group video pictures that the vision signal of at least two described video source outputs is corresponding.
Preferably, described diverter switch and described selector switch share Same Physical structure.
Preferably, described audio editing module and described transmission module and described display module are arranged in Same Physical structure; Described reception module, described audio frequency reduction module and described audio frequency playback component and described video reduction apparatus are arranged in same physical structure.
A control method for audio frequency broadcast system, wherein, is applied in above-mentioned audio frequency broadcast system, comprises described audio editing module and forms the method that described signal stream is reduced into audio stream by the method for described signal stream and described audio frequency reduction module;
The method concrete steps that described audio editing module forms described signal stream are as follows:
The audio signal that described audio-source each at least two described audio-source exports is divided into multistage voice data with predetermined time interval by step a1, described audio editing module;
Step a2, described audio editing module generate a signal stream;
Step a3, described audio editing module put in order according to the correspondence preset at least two described audio-source, choose a period of time in voice data described in the multistage that the audio signal exported in each described audio-source is successively divided at first and do not entered the described voice data of described signal stream by split, and enter described signal stream with the described split that puts in order;
Step a4, repeated execution of steps a3.
Preferably, described audio frequency reduction module method concrete steps that described signal stream is reduced into audio stream are as follows:
Described signal stream is divided into multi-segment signal data with described predetermined time interval by step b1, described audio frequency reduction module;
Signal data described in multistage is pieced together the audio stream of the audio signal that corresponding at least two described audio-source export according to described putting in order by step b2, described audio frequency reduction module, or according to the selection of described selector switch, the described audio stream that the audio signal that the described audio-source forming the selection of described selector switch according to the described split that puts in order exports is corresponding.
Preferably, the frequency of described signal stream is 120Hz or 240Hz.
Preferably, the output frequency of each described audio-source is 60Hz.
The beneficial effect of technique scheme is:
By the audio signal of multiple vision signal is mixed into a signal stream, and multiple audio streams of corresponding multiple vision signal are reduced into by the audio frequency reduction module be arranged on active-shutter glasses, can multiple audio stream be play by multiple broadcasting passage simultaneously or select one of them audio stream to play by selector switch, while both can realizing multichannel 3D surround sound, also can realizing when utilizing a picture reproducer to watch different television channels, playing the sound accompaniment audio frequency of corresponding television channel simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of a kind of audio frequency broadcast system of the present invention;
A kind of structural representation of embodiment of video-audio playing device invented by Fig. 2 text;
Fig. 3 is the FB(flow block) of the method for the audio editing module formation signal stream of the embodiment of the control method of a kind of audio frequency broadcast system of the present invention;
Fig. 4 is that signal stream is reduced into the FB(flow block) of the method for audio stream by the audio frequency reduction module of the embodiment of the control method of a kind of audio frequency broadcast system of the present invention;
Fig. 5 is the structural relation figure between the signal stream of the embodiment formation of the control method of a kind of audio frequency broadcast system of the present invention and audio stream.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
As shown in Figure 1, technical scheme of the present invention comprises a kind of audio frequency broadcast system, be applied in the video-audio playing device being at least provided with two audio-source, wherein, comprise audio editing module, send module, receive module, audio frequency reduces module and audio frequency playback component; Audio editing module is connected with at least two audio-source, and the audio signal that at least two audio-source export is mixed into a signal stream with predetermined policy; Send module to be connected with audio editing module, and launch the signal stream of audio editing module formation; Receive module to be connected with transmission module, in order to receive the signal stream sending module and launch; Audio frequency reduction module is connected with reception module, is reduced at least two audio streams corresponding with the audio signal that at least two audio-source export for the signal stream received by reception module in the reverse operating mode of predetermined policy; Audio frequency playback component and audio frequency reduce module and are connected, and play at least two audio streams in multiple broadcasting passage simultaneously, or from least two audio streams, select an audio stream to play by a selector switch.
Technique scheme, be mixed into a signal stream by the audio signal multiple audio-source exported to send, and the audio frequency reduction module by receiving module place, be reduced into multiple audio streams of the audio signal that corresponding multiple audio-source exports, both can play to realize 3D surround sound to multiple audio stream by multiple broadcasting passages of playback component simultaneously, also one of them audio stream can be selected to play by the selector switch in playback component, thus be implemented in the audio signal of multiple television channel select one play, when reception module, when the function group of audio frequency reduction module and playback component composition arranges and organizes more, the multiple audio streams simultaneously playing the audio signal that corresponding different audio-source exports can be realized, thus realize multiple user and utilize same system to play the audio signal of different television channels simultaneously.
On technique scheme basis, further, audio editing module can comprise audio segmentation unit, audio segmentation unit is connected with at least two audio-source, is divided into multistage voice data respectively for the audio signal at least two audio-source exported according to the predetermined dividing method in predetermined policy.
On this basis, audio editing module also can comprise signal split unit, signal split unit and audio segmentation unit and send module and be connected respectively, multistage voice data split for being formed by audio segmentation unit according to the predetermined combination method in preset strategy forms a signal stream, and launches by sending module.
On technique scheme basis, further, audio frequency reduction module can comprise signal segmentation unit, and signal segmentation unit is connected with reception module, for the reverse operating mode according to the predetermined combination method in predetermined policy, the signal flow point that reception module receives is slit into multi-segment signal data.
On this basis, audio frequency reduction module also can comprise audio frequency split unit, audio frequency split unit is connected with signal segmentation unit and audio frequency playback component, for the reverse operating mode according to the predetermined dividing method in predetermined policy, the multi-segment signal data that signal segmentation unit is formed are pieced together at least two audio streams corresponding with the audio signal that at least two audio-source export, and select one of them audio stream to be play by audio frequency playback component by the selector switch of audio frequency playback component.
On technique scheme basis, further, transmission module and reception module connect by cable or wireless transmitter, thus realize the signal stream sending mode of wired connection or the signal stream sending mode of wireless transmission.
As shown in Figure 2, a kind of video-audio playing device is also comprised in technical scheme of the present invention, wherein, comprise above-mentioned audio frequency broadcast system, also comprise at least two video source, display module and at least one with display mould splits from video reduction apparatus, at least two audio-source are the audio signal of correspondence at least two video source; Display module is connected with at least two video source, becomes a video flowing in order to the video signal mixture at least two video source exported and is shown; Video reduction apparatus is used for the video flowing of display module displays to be reduced at least two group video pictures corresponding with the vision signal that at least two video source export, and the one group of video pictures choosing the vision signal that a corresponding video source exports is play, or play at least two group video pictures of the vision signal that corresponding at least two video source export in multiple broadcasting passage simultaneously.
The video display portion of technique scheme coordinates the 3D Display Technique of active-shutter glasses to realize by existing high frequency display, owing to being technological means well known by persons skilled in the art, therefore repeats no more.
On technique scheme basis, further, video reduction apparatus comprises the main body of a glasses type, and the playback component of audio frequency broadcast system is formed primarily of the earphone be connected in main body.Main body can be provided with diverter switch, when diverter switch is used to one group of video pictures of the vision signal that the corresponding video source of video reduction apparatus broadcasting exports, switch between at least two group video pictures that the vision signal of at least two video source outputs is corresponding, the selector switch of this diverter switch and audio frequency playback component can share Same Physical structure.Namely when by diverter switch Switch Video picture time due to shared Same Physical structure, selector switch is also synchronously stirred, thus realize audio frequency playback component and play the audio stream mated with the video pictures of corresponding different video signal source, thus to realize when several user utilizes same display to watch different television channel can while to play the audio stream of the audio signal of corresponding different television channel to every user.
On technique scheme basis, further, audio editing module and transmission module can be arranged in Same Physical structure with display module; Receive module, audio frequency reduction module and audio frequency playback component to be arranged in same physical structure with video reduction apparatus.Structure as shown in Figure 2, namely audio editing module and transmission module can be arranged in high frequency display 100, and receive module, audio frequency reduction module and audio frequency playback component can be arranged in active-shutter glasses 200, in this fashion, only the audio signal that multiple active-shutter glasses can realize playing every user when several user watches different television channel by same high frequency display different television channel simultaneously need be configured.
Also comprise a kind of control method of audio frequency broadcast system in technical scheme of the present invention, wherein, be applied in above-mentioned audio frequency broadcast system, comprise audio editing module and form the method that signal stream is reduced into audio stream by the method for signal stream and audio frequency reduction module;
As shown in Figure 3, the method concrete steps of audio editing module formation signal stream are as follows:
The audio signal that audio-source each at least two audio-source exports is divided into multistage voice data with predetermined time interval by step a1, audio editing module;
Step a2, audio editing module generate a signal stream;
Step a3, audio editing module put in order according to correspondence at least two audio-source preset, choose a period of time in the multistage voice data that the audio signal exported in each audio-source is successively divided at first and do not entered the voice data of signal stream by split, and enter signal stream with the above-mentioned split that puts in order;
Step a4, repeated execution of steps a3.
On technique scheme basis, further, as shown in Figure 4, signal stream to be reduced into the method concrete steps of audio stream as follows for audio frequency reduction module:
Signal stream is divided into multi-segment signal data with predetermined time interval by step b1, audio frequency reduction module;
Step b2, audio frequency reduction module is according to audio stream multi-segment signal data being pieced together the audio signal that corresponding at least two audio-source export that puts in order, or according to the selection of selector switch, the audio stream that the audio signal that the audio-source forming selector switch selection according to the split that puts in order exports is corresponding.
As shown in Figure 5, be described for two audio-source, multistage is divided into fixed time interval T by the audio signal B audio signal A of the first audio-source output and the second audio-source exported, and piece together a signal stream SS successively, when audio frequency reduces, again signal stream SS is divided into multistage with fixed time interval T, and goes out audio stream A and audio stream B according to the reverse execution mode split of the order of split signal stream SS.Wherein, the optional frequency of signal stream selects 120Hz or 240Hz, the output frequency of each audio-source can select 60Hz, by above-mentioned execution mode, the audio stream of capable assembling two 60Hz in the signal stream of 120Hz, can the audio stream of at least split 4 60Hz in the signal stream of 240Hz, and 60Hz can meet the refresh rate of normal tv channel, the audio-source that therefore 60Hz exports can realize synchronous with the vision signal of television channel.
The foregoing is only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection range is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations specification of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
Claims (15)
1. an audio frequency broadcast system, is applied in the video-audio playing device being at least provided with two audio-source, it is characterized in that, comprises audio editing module, sends module, receives module, audio frequency reduces module and audio frequency playback component;
Described audio editing module is connected with at least two described audio-source, and the audio signal that at least two described audio-source export is mixed into a signal stream with predetermined policy;
Described transmission module is connected with described audio editing module, and launches the described signal stream of described audio editing module formation;
Described reception module is connected with described transmission module, in order to receive the described signal stream that described transmission module is launched;
Described audio frequency reduction module is connected with described reception module, is reduced at least two audio streams corresponding to audio signal that audio-source described with at least two export for the described signal stream that received by described reception module in the reverse operating mode of described predetermined policy;
Described audio frequency playback component and described audio frequency reduce module and are connected, and play at least two described audio streams in multiple broadcasting passage simultaneously, or from least two described audio streams, select a described audio stream to play by a selector switch.
2. audio frequency broadcast system as claimed in claim 1, it is characterized in that, described audio editing module comprises audio segmentation unit, described audio segmentation unit is connected with at least two described audio-source, for the audio signal that at least two described audio-source export being divided into multistage voice data respectively according to the predetermined dividing method in described predetermined policy.
3. audio frequency broadcast system as claimed in claim 2, it is characterized in that, described audio editing module comprises signal split unit, described signal split unit is connected respectively with described audio segmentation unit and described transmission module, form a signal stream for voice data split described in the multistage that formed by described audio segmentation unit according to the predetermined combination method in described preset strategy, and launched by described transmission module.
4. audio frequency broadcast system as claimed in claim 3, it is characterized in that, described audio frequency reduction module comprises signal segmentation unit, described signal segmentation unit is connected with described reception module, for the reverse operating mode according to the predetermined combination method in described predetermined policy, the signal flow point that described reception module receives is slit into multi-segment signal data.
5. audio frequency broadcast system as claimed in claim 4, it is characterized in that, described audio frequency reduction module comprises audio frequency split unit, described audio frequency split unit is connected with described signal segmentation unit and described audio frequency playback component, at least two audio streams corresponding to audio signal that audio-source described with at least two export are pieced together for signal data described in the multistage that formed by described signal segmentation unit according to the reverse operating mode of the predetermined dividing method in described predetermined policy, and select one of them audio stream to be play by described audio frequency playback component by the selector switch of described audio frequency playback component.
6., as audio frequency broadcast system as described in arbitrary in claim 1-5, it is characterized in that, described transmission module and described reception module are connected by cable or wireless transmitter.
7. a video-audio playing device, it is characterized in that, comprise as audio frequency broadcast system as described in arbitrary in claim 1-6, also comprise at least two video source, display module and at least one with described display mould splits from video reduction apparatus, at least two described audio-source are the audio signal of correspondence at least two described video source;
Described display module is connected with at least two described video source, becomes a video flowing in order to the video signal mixture at least two described video source exported and is shown;
Described video reduction apparatus is used for the described video flowing of described display module displays to be reduced at least two group video pictures corresponding to vision signal that video source described with at least two export, and the one group of video pictures choosing the vision signal that a corresponding described video source exports is play, or in multiple broadcasting passage, play at least two group video pictures of the vision signal that corresponding at least two described video source export simultaneously.
8. video-audio playing device as claimed in claim 7, it is characterized in that, described video reduction apparatus comprises the main body of a glasses type, and the playback component of described audio frequency broadcast system is formed primarily of the earphone be connected in described main body.
9. video-audio playing device as claimed in claim 8, it is characterized in that, described main body is provided with diverter switch, when described diverter switch is used to one group of video pictures of the vision signal that the corresponding described video source of described video reduction apparatus broadcasting exports, switch between at least two group video pictures that the vision signal of at least two described video source outputs is corresponding.
10. video-audio playing device as claimed in claim 9, it is characterized in that, described diverter switch and described selector switch share Same Physical structure.
11., as video-audio playing device as described in arbitrary in claim 7-9, is characterized in that, described audio editing module and described transmission module and described display module are arranged in Same Physical structure; Described reception module, described audio frequency reduction module and described audio frequency playback component and described video reduction apparatus are arranged in same physical structure.
The control method of 12. 1 kinds of audio frequency broadcast systems, it is characterized in that, be applied to as in audio frequency broadcast system as described in arbitrary in claim 1-6, comprise described audio editing module and form the method that described signal stream is reduced into audio stream by the method for described signal stream and described audio frequency reduction module;
The method concrete steps that described audio editing module forms described signal stream are as follows:
The audio signal that described audio-source each at least two described audio-source exports is divided into multistage voice data with predetermined time interval by step a1, described audio editing module;
Step a2, described audio editing module generate a signal stream;
Step a3, described audio editing module put in order according to the correspondence preset at least two described audio-source, choose a period of time in voice data described in the multistage that the audio signal exported in each described audio-source is successively divided at first and do not entered the described voice data of described signal stream by split, and enter described signal stream with the described split that puts in order;
Step a4, repeated execution of steps a3.
The control method of 13. audio frequency broadcast systems as claimed in claim 12, is characterized in that, the method concrete steps that described signal stream is reduced into audio stream by described audio frequency reduction module are as follows:
Described signal stream is divided into multi-segment signal data with described predetermined time interval by step b1, described audio frequency reduction module;
Signal data described in multistage is pieced together the audio stream of the audio signal that corresponding at least two described audio-source export according to described putting in order by step b2, described audio frequency reduction module, or according to the selection of described selector switch, the described audio stream that the audio signal that the described audio-source forming the selection of described selector switch according to the described split that puts in order exports is corresponding.
The control method of 14. audio frequency broadcast systems as claimed in claim 13, it is characterized in that, the frequency of described signal stream is 120Hz or 240Hz.
The control method of 15. audio frequency broadcast systems as claimed in claim 13, it is characterized in that, the output frequency of each described audio-source is 60Hz.
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