CN105516862A - Audio frequency transcription and wireless distribution device and method - Google Patents
Audio frequency transcription and wireless distribution device and method Download PDFInfo
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- CN105516862A CN105516862A CN201510849573.6A CN201510849573A CN105516862A CN 105516862 A CN105516862 A CN 105516862A CN 201510849573 A CN201510849573 A CN 201510849573A CN 105516862 A CN105516862 A CN 105516862A
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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
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
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Abstract
The invention provides an audio frequency transcription and wireless distribution device comprising: an audio frequency input module which is used for receiving audio frequency data from a third party AV (audio/video) play device and sending the audio frequency data to an audio frequency transcription module, the audio frequency transcription module which is used for converting audio frequency data into digital audio frequency data stored in a storing module and comprising audio frequency signals in a sound code format and audio frequency signals in a decoding format; an audio frequency recognition and decoding module which is used for recognizing digital audio frequency data in the storing module and converting the audio frequency signals in the sound code format into audio frequency signals in the decoding format through a Codec module, and a wireless distribution module which is used for splitting the audio frequency signals in the decoding format into multiple channels, and distributing multichannel audio frequency data to a third party wireless audible device. The invention further provides an audio frequency transcription and wireless distribution method, which realizes wireless stereo playing and supports multiple audio input interfaces and multiple wireless communication interfaces.
Description
Technical field
The present invention relates to audio frequency process, particularly relate to a kind of audio frequency and transcribe the apparatus and method with wireless dispatch.
Background technology
There is multiple senior audio and video display device (blue light player, intelligent television, VCD/DVD player) in the market, multichannel HD Audio can be exported, and support multiple audio output interface, as HDMI, SPDIF and AUX etc.There is a lot of wireless acoustics in market in addition, wireless acoustics divides by communication and comprises: WIFI wireless acoustics, 2.4G/5G wireless acoustics and Bluetooth audio device, but above-mentioned senior audio/video player and wireless acoustics are difficult to integrated, form a complete stereo playing system.
Existing application number be 201110392079.3 Chinese patent disclose a kind of wireless network sound system, the effect of 2.0 stereo channels is reached by arranging two sound equipments, for user provides the wireless network sound system with perfect three-dimensional audio experience, but the function of this wireless network sound system is limited, do not support 5.1 sound channels and 7.1 sound channels, also do not support HDMI audio frequency input processing, flexibility is poor, can not meet the higher demand of people to played in stereo.
Summary of the invention
One of the technical problem to be solved in the present invention, be to provide a kind of audio frequency to transcribe and wireless dispatch device, supporting multiple audio input interface and various wireless communication interface, being distributed to third party's wireless acoustic apparatus by transcribing the mode of voice data by ANTENN AUDIO, realize wireless stereo and play.
One of the technical problem to be solved in the present invention is achieved in that a kind of audio frequency is transcribed and wireless dispatch device, and described device comprises:
Audio Input Modules, for receiving the voice data from third party's audio and video display device by multiple audio input interface and the voice data received being sent to audio frequency transcription module;
Audio frequency transcription module, is stored in a memory module for the voice data received being converted to digital audio-frequency data, and described digital audio-frequency data comprises source code format audio signal and decoding format audio signal;
Source code format audio signal in digital audio-frequency data for identifying the digital audio-frequency data in described memory module, and is codec format audio signal by Codec module converts by audio identification and decoder module; And
Wireless dispatch module, for described codec format audio signal is split into multichannel, and sends to third party's wireless acoustic apparatus by wireless communication interface by multichannel audb data respectively.
Further, described third party's audio and video display device is Blu-ray player, intelligent television or VCD/DVD video player, and voice data is exported by third party's audio output interface by described third party's audio and video display device.
Further, described audio input interface comprises HDMI-IN interface, SPDIF-IN interface and AUX interface;
Described HDMI-IN interface and SPDIF-IN interface are for receiving digital audio and video signals;
Described AUX interface is for receiving simulated audio signal.
Further, in described audio frequency transcription module, the voice data received being converted to the concrete mode of digital audio-frequency data is: convert the simulated audio signal in voice data to digital audio and video signals by Codec module.
Further, described wireless communication interface comprises bluetooth transceiver module, 2.4/5G transceiver module and WIFI transceiver module.
Further, described multichannel is 2.0 sound channels, 5.1 sound channels or 7.1 sound channels.
The technical problem to be solved in the present invention two, be to provide a kind of audio frequency to transcribe the method with wireless dispatch, support multiple audio input interface and various wireless communication interface, being distributed to third party's wireless acoustic apparatus by transcribing the mode of voice data by ANTENN AUDIO, realizing wireless stereo and playing.
Two of the technical problem to be solved in the present invention is achieved in that a kind of audio frequency transcribes the method with wireless dispatch, and described method comprises:
Receive the voice data from third party's audio and video display device by multiple audio input interface and the voice data received is sent to audio frequency transcription module;
The voice data received being converted to digital audio-frequency data is stored in a memory module, and described digital audio-frequency data comprises source code format audio signal and decoding format audio signal;
Digital audio-frequency data in described memory module is identified;
Be codec format audio signal by the source code format audio signal in digital audio-frequency data by Codec module converts;
Described codec format audio signal is split into multichannel;
By wireless communication interface, multichannel audb data is sent to third party's wireless acoustic apparatus respectively.
Further, described third party's audio and video display device is Blu-ray player, intelligent television or VCD/DVD video player, and voice data is exported by third party's audio output interface by described third party's audio and video display device.
Further, described audio input interface comprises HDMI-IN interface, SPDIF-IN interface and AUX interface;
Described HDMI-IN interface and SPDIF-IN interface are for receiving digital audio and video signals;
Described AUX interface is for receiving simulated audio signal.
Further, the described concrete mode of digital audio-frequency data that is converted to by the voice data received is: convert the simulated audio signal in voice data to digital audio and video signals by Codec module.
Further, described wireless communication interface comprises bluetooth transceiver module, 2.4/5G transceiver module and WIFI transceiver module.
Further, described multichannel is 2.0 sound channels, 5.1 sound channels or 7.1 sound channels.
Tool of the present invention has the following advantages: be connected with third party's wireless acoustic apparatus by the senior audio and video display device not possessing ANTENN AUDIO distribution with Wireless stereo distribution technology by digital audio transcription technique, realize wireless stereo playing function, solve the middle-and-high-ranking audio/video player of prior art and third party's wireless acoustic apparatus is difficult to integrated problem, and apparatus of the present invention support multiple audio input interface and various wireless communication interface, strong adaptability, easy and simple to handle.
Accompanying drawing explanation
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the logic diagram of apparatus of the present invention.
Fig. 2 is the structural representation of apparatus of the present invention.
Fig. 3 is that audio frequency of the present invention transcribes the data flow diagram with wireless dispatch.
Fig. 4 is the flowchart of the inventive method.
Embodiment
As depicted in figs. 1 and 2, a kind of audio frequency is transcribed and wireless dispatch device 12, and described device comprises:
Audio Input Modules 121, for receiving the voice data from third party's audio and video display device by multiple audio input interface and the voice data received being sent to audio frequency transcription module; Described third party's audio and video display device is Blu-ray player, intelligent television or VCD/DVD video player, and voice data is exported by third party's audio output interface 112 by described third party's audio and video display device 111;
Audio frequency transcription module 122, be stored in a memory module for the voice data received being converted to digital audio-frequency data, wherein, when the voice data received is simulated audio signal, be stored into again in memory module after becoming digital audio and video signals by Codec module converts, if the voice data received is digital audio and video signals, then directly be stored to memory module, do not need to carry out audio conversion, described digital audio-frequency data comprises source code format audio signal and decoding format audio signal, wherein, source code audio signal is the general name of the audio stream according to specific format encapsulation (as Doby DTS encapsulates), codec format audio signal is then the pcm audio stream after peeling off form encapsulation,
Audio identification and decoder module 123, for identifying the digital audio-frequency data in described memory module, and be codec format audio signal by the source code format audio signal in digital audio-frequency data by Codec module converts, codec format audio signal does not then need to carry out conversion can directly enter wireless dispatch module; And
Wireless dispatch module 124, for described codec format audio signal is split into multichannel, and by wireless communication interface, multichannel audb data is sent to third party's wireless acoustic apparatus 13 respectively, described multichannel is 2.0 sound channels, 5.1 sound channels or 7.1 sound channels, described wireless communication interface comprises bluetooth transceiver module, 2.4/5G transceiver module and WIFI transceiver module, selects wherein any one wireless communication interface to send as required; Such as, support that adopting Dobly storehouse to do sound channel in the system of Doby splits, to the Dolby Audio of 5.1 sound channels, 5 road sound are obtained after splitting, comprise front left, front in, front right, rear left, rear right and supper bass, then this 5 road sound is outputted to third party's wireless acoustics 13 of 5 correspondence positions by wireless communication interface, the effect of wireless stereo distribution can be reached.
As shown in Figure 2, connection audio frequency is transcribed and is comprised HDMI 212, SPDIF interface 213 and AUX interface 214 with third party's audio output interface 112 of wireless dispatch device 22 (audio frequency namely in Fig. 1 is transcribed and wireless dispatch device 12) and third party's audio and video display device 211 (audio frequency namely in Fig. 1 is transcribed and wireless dispatch device 111);
Described audio input interface comprises HDMI-IN interface 221, SPDIF-IN interface 222 and AUX interface 223, and described HDMI-IN interface 221 drives 224 to transcribe with audio frequency by HDMI is connected with the memory module 228 in wireless dispatch device 22, HDMI-IN interface 221 is received digital audio and video signals stored in memory module 228, described SPDIF-IN interface 222 drives 225 to be connected with the memory module 228 in wireless dispatch device 22 by SPDIF, so that the digital audio and video signals received by SPDIF-IN interface 222 is stored in memory module 228, described AUX interface 223 drives 226 to be connected with Codec module 227 by AUX, and described Codec module 227 is connected with memory module 228, so that the simulated audio signal received by AUX interface 223 is converted to after digital audio and video signals stored in memory module 228 by Codec module 227, to realize transcribing the success of multiple audio frequency.
Described audio identification and decoder module 123 comprise audio frequency source code format identification module 229 and audio frequency source code form decoder module 2210, wherein audio frequency source code format identification module 229 is provided with the discrimination of chip I P raising to audio frequency source code form, is provided with the Codec module for source code format audio signal being converted to codec format audio signal in audio frequency source code form decoder module 2210.
The codec format audio signal (i.e. pcm audio data) got from memory module 228 and carry out multichannel distribution by wireless communication interface 2211 again by the audio frequency source code form decoder module 2210 codec format audio signal obtained of decoding, through third party's wireless acoustics 13 play obtain stereo.
As shown in Figure 3 and Figure 4, a kind of audio frequency transcribes the method with wireless dispatch, and described method comprises:
Step S41, receive the voice data from third party's audio and video display device by multiple audio input interface and the voice data received is sent to audio frequency transcription module, described audio input interface comprises HDMI-IN interface, SPDIF-IN interface and AUX interface, described HDMI-IN interface and SPDIF-IN interface are for receiving digital audio and video signals, described AUX interface is for receiving simulated audio signal, therefore, this Audio Input Modules supports multiple audio input interface, can process multiple audio frequency, described third party's audio and video display device is Blu-ray player, intelligent television or VCD/DVD video player, and voice data is exported by third party's audio output interface by described third party's audio and video display device,
Step S42, the voice data received being converted to digital audio-frequency data is stored in a memory module, wherein, when the voice data received is simulated audio signal, be stored into again in memory module after becoming digital audio and video signals by Codec module converts, if the voice data received is digital audio and video signals, then directly be stored to memory module, do not need to carry out audio conversion, described digital audio-frequency data comprises source code format audio signal and decoding format audio signal, wherein, source code audio signal is the general name of the audio stream according to specific format encapsulation (as Doby DTS encapsulates), codec format audio signal is then the pcm audio stream after peeling off form encapsulation,
Step S43, the digital audio-frequency data in described memory module to be identified;
Step S44, be codec format audio signal by the source code format audio signal in digital audio-frequency data by Codec module converts, codec format audio signal does not then need to carry out conversion can directly enter wireless dispatch module;
Step S45, described codec format audio signal is split into multichannel;
Step S46, by wireless communication interface, multichannel audb data is sent to third party's wireless acoustic apparatus respectively, described multichannel is 2.0 sound channels, 5.1 sound channels or 7.1 sound channels, described wireless communication interface comprises bluetooth transceiver module, 2.4/5G transceiver module and WIFI transceiver module, selects wherein any one wireless communication interface to send as required; Such as, support that adopting Dobly storehouse to do sound channel in the system of Doby splits, to the Dolby Audio of 5.1 sound channels, 5 road sound are obtained after splitting, comprise front left, front in, front right, rear left, rear right and supper bass, then this 5 road sound is outputted to third party's wireless acoustics of 5 correspondence positions by wireless communication interface, the effect of wireless stereo distribution can be reached.
Explanation of nouns:
Dobly: Chinese Doby by name, Dolby AC-3 is a compression/decompression compression system, it adopts advanced digital compress technique, apply the special technique of Doby original creation, completely independently a preposition left side (L), the preposition right side (R), mid-(C), a left side become two sound channels around (Ls), the right side around (Rs) and mega bass (S) six sound channels (5.1 sound channel) compressed encoding, be recorded on cinefilm or video disc, be reduced into six sound channels by decoder again when playing and play.
DTS: digital cinema system, DTS are a kind of high-quality multitone rail surround sound technology for film and music.
Although the foregoing describe the specific embodiment of the present invention; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present invention; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present invention and change, should be encompassed in scope that claim of the present invention protects.
Claims (12)
1. audio frequency is transcribed and a wireless dispatch device, it is characterized in that:
Described device comprises:
Audio Input Modules, for receiving the voice data from third party's audio and video display device by multiple audio input interface and the voice data received being sent to audio frequency transcription module;
Audio frequency transcription module, is stored in a memory module for the voice data received being converted to digital audio-frequency data, and described digital audio-frequency data comprises source code format audio signal and decoding format audio signal;
Source code format audio signal in digital audio-frequency data for identifying the digital audio-frequency data in described memory module, and is codec format audio signal by Codec module converts by audio identification and decoder module; And
Wireless dispatch module, for described codec format audio signal is split into multichannel, and sends to third party's wireless acoustic apparatus by wireless communication interface by multichannel audb data respectively.
2. a kind of audio frequency according to claim 1 is transcribed and wireless dispatch device, it is characterized in that: described third party's audio and video display device is Blu-ray player, intelligent television or VCD/DVD video player, and voice data is exported by third party's audio output interface by described third party's audio and video display device.
3. a kind of audio frequency according to claim 1 is transcribed and wireless dispatch device, it is characterized in that: described audio input interface comprises HDMI-IN interface, SPDIF-IN interface and AUX interface;
Described HDMI-IN interface and SPDIF-IN interface are for receiving digital audio and video signals;
Described AUX interface is for receiving simulated audio signal.
4. a kind of audio frequency according to claim 1 is transcribed and wireless dispatch device, it is characterized in that: in described audio frequency transcription module, the voice data received being converted to the concrete mode of digital audio-frequency data is: convert the simulated audio signal in voice data to digital audio and video signals by Codec module.
5. a kind of audio frequency according to claim 1 is transcribed and wireless dispatch device, it is characterized in that: described wireless communication interface comprises bluetooth transceiver module, 2.4/5G transceiver module and WIFI transceiver module.
6. a kind of audio frequency according to claim 1 is transcribed and wireless dispatch device, it is characterized in that: described multichannel is 2.0 sound channels, 5.1 sound channels or 7.1 sound channels.
7. audio frequency transcribes the method with wireless dispatch, it is characterized in that: described method comprises:
Receive the voice data from third party's audio and video display device by multiple audio input interface and the voice data received is sent to audio frequency transcription module;
The voice data received being converted to digital audio-frequency data is stored in a memory module, and described digital audio-frequency data comprises source code format audio signal and decoding format audio signal;
Digital audio-frequency data in described memory module is identified;
Be codec format audio signal by the source code format audio signal in digital audio-frequency data by Codec module converts;
Described codec format audio signal is split into multichannel;
By wireless communication interface, multichannel audb data is sent to third party's wireless acoustic apparatus respectively.
8. a kind of audio frequency according to claim 7 transcribes the method with wireless dispatch, it is characterized in that: described third party's audio and video display device is Blu-ray player, intelligent television or VCD/DVD video player, and voice data is exported by third party's audio output interface by described third party's audio and video display device.
9. a kind of audio frequency according to claim 7 transcribes the method with wireless dispatch, it is characterized in that: described audio input interface comprises HDMI-IN interface, SPDIF-IN interface and AUX interface;
Described HDMI-IN interface and SPDIF-IN interface are for receiving digital audio and video signals;
Described AUX interface is for receiving simulated audio signal.
10. a kind of audio frequency according to claim 7 transcribes the method with wireless dispatch, it is characterized in that: the described concrete mode of digital audio-frequency data that is converted to by the voice data received is: convert the simulated audio signal in voice data to digital audio and video signals by Codec module.
11. a kind of audio frequency according to claim 7 transcribe the method with wireless dispatch, it is characterized in that: described wireless communication interface comprises bluetooth transceiver module, 2.4/5G transceiver module and WIFI transceiver module.
12. a kind of audio frequency according to claim 7 transcribe the method with wireless dispatch, it is characterized in that: described multichannel is 2.0 sound channels, 5.1 sound channels or 7.1 sound channels.
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Application publication date: 20160420 |