The HDMI adaptive device and the system of the single output of many inputs
Technical field
The utility model relates to the HDMI field, more particularly, relates to the HDMI adaptive device and the system of the single output of a kind of many inputs.
Background technology
Because present most of families all have the emitter of a plurality of HDMI; Like DVD, STB, smart mobile phone, flat computer or holder for TV playing (electronic game machine) etc.; These devices are shared a receiving system usually; Like the HDMI LCD TV, but the HDMI mouth of frequent LCD TV is in the situation of wretched insufficiency, has just produced the market demand so HDMI expands the demand of switch adapter.
At present; HDMI on the market expands switch adapter and generally includes a plurality of HDMI input interfaces and a HDMI output interface; The HDMI input interface of being selected to need to insert by diverter switch carries out work, thereby solves the few problem of HDMI interface of HDMI receiving system.The audio-video signal of these adapter outputs is sent to receiving system, carries out the broadcast of audio frequency, video by receiving system (like LCD TV or HDMI power amplifier etc.).Because the outer of audio frequency put, the user can't obtain the enjoyment of secret.
Though the user also can adopt the wireless headset on the market to connect the voice output interface of HDMI receiving system, comes to listen to through wireless headset.But the adapter that separates, wireless headset, wireless headset reflector etc.; Can cause the signal between the device to connect the complicacy that becomes; And be difficult for installing; And a large amount of wiring also causes vision and managerial serious puzzlement, and regular generation noise jamming and the low problem of various different quality of the also no good cake of the interface compatibility between various different device, and problem above-mentioned during especially for use in multi-channel system just more is difficult to imagine.
At present nearly all in addition HDMI receiving system is not all with the CEC passage open, and outside remote control can't directly be controlled, and makes troubles for user's use.
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 adaptive device 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: construct the HDMI adaptive device of the single output of a kind of many inputs, comprise that the HDMI with a plurality of HDMI input interfaces and a HDMI output interface imports single output module and control HDMI imports the controller that single output module selects to switch said input interface more 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 audio frequency transceiver module that the HDMI adaptive device of the single output of said many inputs also comprises the audio processing modules importing with said HDMI that single output module is connected more and said feedback audio signal is handled and is connected the audio signal of the said audio processing modules processing of the concurrent warp let-off with said audio processing modules.
In the single HDMI adaptive device of exporting of many inputs of the utility model, the HDMI adaptive devices of the single output of said many inputs also comprise first COBBAIF that is connected with said audio processing modules; 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, the HDMI adaptive devices of the single output of said many inputs also are included in said audio processing modules and HDMI and import second COBBAIF that the connecting interface place of single output module picks out more; 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 HDMI adaptive devices of the single output of said many inputs also comprise control button and/or the LED light that is connected with said 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 controller comprises CEC control unit and the memory cell that stores CEC information translation database.
In the single HDMI adaptive device of exporting of many inputs of the utility model, said 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, the HDMI adaptive devices of the single output of said many inputs also comprise the radio receiving transmitting module that is connected with said controller.
In the single HDMI adaptive device of exporting of many inputs of the utility model, said radio receiving transmitting module is provided with USB interface, I
2S interface, I
2C interface, SPI interface and/or UART interface.
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 arbitrary described many inputs the 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 microphone or the remote controller that is connected with the radio receiving transmitting module communication of said HDMI adaptive device; Said 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; See off through the audio frequency transceiver module; 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.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further, in the accompanying drawing:
Fig. 1 is the schematic block diagram that the utility model is imported an embodiment of single HDMI adaption system of exporting more.
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 30, 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 headset 40, wireless acoustics, wired earphone, wired sound equipment or the like.
HDMI adaptive devices 30 that should the single output of many inputs comprise that installation HDMI in the enclosure imports single output module 11, controller 13, audio processing modules 12, audio frequency transceiver module 14 etc. more.
This HDMI imports single output module 11 more and is provided with a plurality of HDMI input interfaces 111 and a HDMI output interface 112; In the present embodiment; This HDMI imports single output module 11 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 11 is provided with audio- video signal passage 113 and 114, two signalling channels of audio signal return path all are included in the HDMI standard interface more.
These HDMI input interfaces 111 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 111 by controller 13 and work, and export audio-video signal to HDMI receiving system 20 through audio-video signal passage 113, HDMI output interface 112.This HDMI receiving system 20 receives behind this audio-video signal and plays after the decoding, and generates the feedback audio signal, and this feedback audio signal is sent to HDMI through audio signal return path 114 and imports single output module 11 more, passes through I again
2S interface or SPDIF optical fiber interface are sent to audio processing modules 12.
This audio processing modules 12 can adopt multichannel to change stereo decoding chip (as supporting the chip of Down MIX technology); To feed back audio signal by controller 13 controls handles; Convert numeral or simulated audio signal to, outwards send through audio frequency transceiver module 14 or other COBBAIF then.
In the present embodiment, this audio frequency transceiver module 14 can adopt ANTENNAUDIO transceiver module 14, through seeing through digital channel I
2S interface or SPI interface etc. are connected with audio processing modules 12, outwards send wireless audio signal, are received by the external voice playing device and play.This audio frequency transceiver module 14 can also be provided with the 3rd COBBAIF 141, is used for inserting or output audio signal, and the 3rd COBBAIF 141 can be I
2S interface and/or SPDIF optical fiber interface etc.
Further, the HDMI adaptive device 30 of the single output of these many inputs also is provided with first COBBAIF 122, and this first COBBAIF 122 is connected with audio processing modules 12, and can insert or output audio signal.This first COBBAIF 122 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 microphone 50 exports receiving system 20 to through audio-video signal passage 113 then.
Further, HDMI adaptive devices 30 of the single output of these many inputs also can be provided with from audio processing modules 12 and HDMI and import second COBBAIF 121 that the connecting interface of single output module 11 picks out more.This second COBBAIF 121 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.).
Further, HDMI adaptive devices 30 of the single output of these many inputs also are provided with the control button 16 that is connected with controller 13 and/or LED light 17 etc.Can select operations such as HDMI input interface 111, control volume through operating these control buttons 16, and indicate accordingly by LED light 17.
In the present embodiment, the adaptive HDMI CEC function that disposes of HDMI of the single output of these many inputs, this controller 13 comprises CEC control unit and the memory cell that stores CEC information translation database.Through the operation of control button 16, see through the control of CEC control unit and HDMI and import the HDMI emitter 10 that single output module 11 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 controller 13, 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 16 or wireless headset 40 control the said firms.
Further, also be provided with database update interface 18 on this controller 13, the renewal of upgrading of the control program through this database update interface 18 pairs of CEC information translation database and controller 13 or the control program of other various audio-frequency modules.In addition; This HDMI imports single output module 11 more can also be connected with network communication module 19; This network communication module 19 is provided with network interface 191; Through network interface 191 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, controller 13 or other various audio-frequency modules.This network communication module 19 can adopt Fast Ethernet module or wireless network module etc.
In the present embodiment, the HDMI adaptive device 30 of the single output of these many inputs also comprises the radio receiving transmitting module 15 that is connected with controller 13.This radio receiving transmitting module 15 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 15 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 15 incoming control signals; The HDMI emitter is controlled, like control game process, volume, Play Control etc.
Corresponding, this system configuration has wireless headset 40, and this wireless headset 40 is provided with the CEC button.Because this wireless headset 40 is provided with the radio receiving transmitting module 15 that is connected with 15 communications of this radio receiving transmitting module, thus the phonetic function that can be supported in intelligent television, game machine, lithographic plate computer, smart mobile phone make the application scenario of dialogue demand such as network game, VOIP are arranged, that the video intercommunication can both see through microphone is satisfied.And the button on the earphone 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 processing module 12, the volume of each channel etc. through the CEC button of wireless microphone 50, 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.