The utility model content
The technical problem that the utility model will solve is, a kind of HDMI adaptive device is provided, and can realize the single output of many inputs, also can audio signal be passed back to the HDMI adaptive device.
The utility model another technical problem to be solved is, a kind of HDMI adaption system is provided, and can realize the single output of many inputs, and can audio signal be passed back to the HDMI adaptive device, and can be sent to sound play device and play.
The utility model solves the technical scheme that its technical problem adopted: the HDMI adaptive device of constructing the single output of a kind of many inputs; Comprise the adaptive main body of HDMI, the adaptive main body of said HDMI comprises that the HDMI with a plurality of HDMI input interfaces and a HDMI output interface imports single output module more and control HDMI imports first controller that single output module selects to switch said input interface more;
Said HDMI imports single output module more and is provided with the audio-video signal passage of outside transmission audio-video signal and the audio signal return path that receives the feedback audio signal; The adaptive main body of said HDMI comprises that also import single output module with said HDMI is connected the outputting communication interface of exporting said feedback audio signal more;
The HDMI adaptive device of the single output of said many inputs also comprises the function expander, and said function expander comprises the incoming traffic interface that is connected with said outputting communication interface communication, be connected with said incoming traffic interface and audio frequency control treatment module that said feedback audio signal is handled and the audio frequency transceiver module that is connected the audio signal of the said audio frequency control treatment module processing of the concurrent warp let-off with said audio frequency control treatment module.
In the single HDMI adaptive device of exporting of many inputs of the utility model, adaptive main body of said HDMI and said function expander have separate shell respectively.
In the single HDMI adaptive device of exporting of many inputs of the utility model, said function expander also comprises first COBBAIF that is connected with said audio frequency control treatment module; Said first COBBAIF comprises analog signal interface and/or SPIDF optical fiber interface.
In the HDMI adaptive device of the single output of many inputs of the utility model, said function expander also is included in second COBBAIF that the connecting interface place of said audio frequency control treatment module and incoming traffic interface picks out; Said second COBBAIF comprises I
2S interface and/or SPDIF optical fiber interface.
In the single HDMI adaptive device of exporting of many inputs of the utility model, the adaptive main body of said HDMI also comprises control button and/or the LED light that is connected with said first controller.
In the single HDMI adaptive device of exporting of many inputs of the utility model, said audio frequency transceiver module is the ANTENNAUDIO transceiver module, and said ANTENNAUDIO transceiver module is provided with the 3rd COBBAIF, and said the 3rd COBBAIF comprises I
2S interface and/or SPDIF optical fiber interface.
In the single HDMI adaptive device of exporting of many inputs of the utility model, said first controller comprises CEC control unit and the memory cell that stores CEC information translation database;
Said first controller also comprises the updating interface of the control program that upgrades said CEC information translation database and said controller.
In the single HDMI adaptive device of exporting of many inputs of the utility model, said function expander also comprises second controller that is connected with said audio frequency control treatment module and the radio receiving transmitting module that is connected with said second controller; Said radio receiving transmitting module is provided with USB interface, I
2S interface, I
2C interface, SPI interface and/or UART interface.
In the single HDMI adaptive device of exporting of many inputs of the utility model, the adaptive main body of said HDMI also comprises the network communication module that is connected with said first controller, and said network communication module is provided with and inserts the network interface that Updates Information.
The utility model also provides the HDMI adaption system of the single output of a kind of many inputs, comprise the single output of above-mentioned each described many inputs HDMI adaptive device, import the HDMI receiving system that single output module is connected, the sound play device that is connected with the audio frequency transceiver module communication of said HDMI adaptive device with the HDMI of said HDMI adaptive device more.
In the HDMI of the utility model adaption system, this HDMI adaption system also comprises wireless speech microphone or the remote controller that is connected with the radio receiving transmitting module communication of said HDMI adaptive device;
Said sound play device comprises the wireless music earphone;
Said wireless music earphone, wireless speech microphone or remote controller are provided with CEC button and/or controlled function button.
Enforcement the utlity model has following beneficial effect: import single output module through HDMI more and realize the switching between the HDMI passage; And after can the audio signal of receiving system passback being handled through the audio signal return path; Export the incoming traffic interface to through the outputting communication interface; Handle by the audio frequency transceiver module again and see off, thereby make the user can select the listening mode of audio frequency, have advantage practical, easy to use according to hobby.
In addition, can insert the CEC control signal, and then the HDMI compatible apparatus that inserts is controlled, let the convenient facility of enjoying CEC control of user through the CEC control unit is set.
Embodiment
As shown in Figure 1, be the embodiment of HDMI adaption system of the single output of many inputs of the utility model, comprise the HDMI adaptive device, HDMI receiving system 20, sound play devices of the single output of many inputs etc.
This HDMI receiving system 20 can adopt existing band HDMI interface 1.4 editions or above various receiving systems 20, like LCD TV, plasm TV or the like.Sound play device can adopt existing wireless music earphone 50, wireless acoustics, wired music earphone, wired sound equipment or the like.
Should comprise adaptive main body of HDMI and function expander etc. by the single HDMI adaptive device of exporting of many inputs.Adaptive main body of this HDMI and function expander have separate shell respectively, and can connect and compose through communication interface.Certainly, adaptive main body of HDMI and function expander also can be arranged in the same housing, connect through the internal communication interface to get final product.
The adaptive main body of this HDMI comprises that installation HDMI in the enclosure imports single output module 31, first controller, outputting communication interface, control button, LED light, network communication module etc. more.
This HDMI imports single output module 31 more and is provided with a plurality of HDMI input interfaces 311 and a HDMI output interface 312; In the present embodiment; This HDMI imports single output module 31 more can adopt HDMI transceiving chip (like ADV7623), realizes the function of the single output of many inputs.This HDMI imports that single output module 31 is provided with audio- video signal passage 313 and 314, two signalling channels of audio signal return path all are included in the HDMI standard interface more.
These HDMI input interfaces 311 can supply the access of different HDMI emitters 10 (like DVD, STB, smart mobile phone, flat computer or holder for TV playing etc.) simultaneously; And control selection one road HDMI input interface 311 by first controller 32 and work, and export audio-video signal to HDMI receiving system 20 through audio-video signal passage 313, HDMI output interface 312.This HDMI receiving system 20 receives behind this audio-video signal and plays after the decoding; And generate the feedback audio signal; This feedback audio signal is sent to HDMI through audio signal return path 314 and imports single output module 31 more, is sent to function expander 40 through importing the outputting communication interface 33 that single output module 31 is connected with HDMI more more.
Further, the adaptive main body 30 of this HDMI also is provided with the control button 34 that is connected with first controller 32 and/or LED light 35 etc.Can select operations such as HDMI input interface 311, control volume through operating these control buttons 34, and indicate accordingly by LED light 35.
Function expander 40 is connected with adaptive main body 30 communications of HDMI, is used for the audio signal of adaptive main body 30 outputs of HDMI is carried out outer putting through audio amplifier, earphone etc.This function expander 40 comprises incoming traffic interface 41, audio frequency control treatment module 42, second controller 43, audio frequency transceiver module 44, radio receiving transmitting module 45, database update interface 46 etc.
This incoming traffic interface 41 is connected with 33 communications of outputting communication interface.
This audio frequency control processing module 42 is connected with incoming traffic interface 41; Insert the feedback audio signal; Can adopt multichannel to change stereo decoding chip (as supporting the chip of Down MIX technology); To feed back audio signal by 43 controls of second controller handles; Convert numeral or simulated audio signal to, outwards send by audio frequency transceiver module 44 or other COBBAIF then.
In the present embodiment, this audio frequency transceiver module 44 can adopt the ANTENNAUDIO transceiver module, through seeing through digital channel I
2S interface or SPI interface etc. are connected with audio frequency control treatment module 42, outwards send wireless audio signal, are received by the external voice playing device and play.This audio frequency transceiver module 44 can also be provided with the 3rd COBBAIF 441, is used for inserting or output audio signal, and the 3rd COBBAIF 441 can be I
2S interface and/or SPDIF optical fiber interface etc.
Further, this function expander also is provided with first COBBAIF 422, and this first COBBAIF 422 is connected with audio frequency control treatment module 42, and can insert or output audio signal.This first COBBAIF 422 can adopt analog signal interface and/or SPIDF optical fiber interface; The audio signal of outside is inserted into the HDMI data flow; To satisfy other outside audio devices; Insertion like the audio frequency of wireless speech microphone 60 exports receiving system 20 to through audio-video signal passage 313 then.
Further, this function expander 40 also can be provided with second COBBAIF 421 that picks out at the connecting interface place of audio frequency control treatment module 42 and incoming traffic interface 41.This second COBBAIF 421 can adopt and comprise I
2S interface and/or SPDIF optical fiber interface etc., thus can insert for other audio devices (like MP3, MP4 etc.).
In the present embodiment, the adaptive HDMI CEC function that disposes of HDMI of the single output of these many inputs, this first controller 32 comprises CEC control unit and the memory cell that stores CEC information translation database.Through the operation of control button 34, see through the control of CEC control unit and HDMI and import the HDMI emitter 10 that single output module 31 links to each other and the function of HDMI receiving system 20 more.
The controlling signal of CEC control unit is because each big electrical equipment merchant's message definition in the market is different, can only be used in like the HDMI electrical equipment of Sony on the products such as LCD TV, game machine, Blu-ray player, smart mobile phone, video camera, digital video recorder of oneself; And it is not unified in the CEC control content definition of companies such as Panasonic, Hitachi, Samsung, LG, Toshiba; Therefore in this first controller 32, be provided with a CEC information translation database; Let the user when using the television system of different company, just can be as long as choose corresponding company by all compatible devices of HDMI of control button 34 or wireless music earphone 50 control the said firms.
Further, also be provided with database update interface 38 on this first controller 32, the renewal of upgrading of the control program through this database update interface 38 pairs of CEC information translation database and first controller 32 or the control program of other various audio-frequency modules.In addition; This HDMI imports single output module 31 more can also be connected with network communication module 36; This network communication module 36 is provided with network interface 361; Through network interface 361 and Internet connection, insert the data of the Internet, thus can be to the renewal of upgrading of the control program of the control program of database, first controller 32 or other various audio-frequency modules.This network communication module 36 can adopt Fast Ethernet module or wireless network module etc.
In the present embodiment, the HDMI adaptive device of the single output of these many inputs also comprises the radio receiving transmitting module 45 that is connected with second controller 43.This radio receiving transmitting module 45 can adopt 2.4G wireless short-range voice transmitting-receiving module or bluetooth transceiver module, carries out the wireless receiving and dispatching of audio signal.Further, this radio receiving transmitting module 45 can also have or not have USB interface, the I that is attached thereto
2S interface, I
2Control interfaces such as C interface, SPI interface, UART interface; Thereby can be connected with control device (like game machine joystick, remote control etc.); Through these radio receiving transmitting module 45 incoming control signals; The HDMI emitter is controlled, like control game process, volume, Play Control etc.
Corresponding, this system configuration has wireless music earphone 50 and/or wireless speech microphone 60, and this wireless music earphone 50 and/or wireless speech microphone 60 are provided with the CEC button.Because this wireless music earphone 50 is provided with the radio receiving transmitting module that is connected with 44 communications of audio frequency transceiver module, thereby can support the music and the phonetic function of intelligent television, game machine, lithographic plate computer, smart mobile phone etc.In the application scenario that the dialogue demand is arranged, like network game, VOIP, video intercommunication etc., can see through wireless speech microphone 60 and satisfy, this wireless speech microphone 60 is connected communication with radio receiving transmitting module 45.And the button on wireless music earphone 50 and the wireless speech microphone 60 can be used as the handle or the remote controller key of playing games and needing.And these devices also can both be easily be defined in the CEC controlled function in the operating key of device and offer the more convenience of user.
In addition, can also come the inside eqalizing cricuit of control audio control treatment module 42, the volume of each channel etc. through the CEC button of wireless music earphone 50, wireless speech microphone 60, remote controller etc.
The whole device of the utility model can be independent become an independently application system, also can be integrated into becomes a subsystem in TV, sound equipment, STB or the game machine.