CN204316626U - HDMI audio frequency and video switching device shifter can be extended - Google Patents
HDMI audio frequency and video switching device shifter can be extended Download PDFInfo
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Abstract
The utility model discloses one and can extend HDMI audio frequency and video switching device shifter, comprise a HDMI input interface, the 2nd HDMI input interface, netting twine input interface, a HDbaseT video transmitter receiving terminal, video switcher, HDMI output interface, a HDbaseT video transmitter transmitting terminal, netting twine output interface, microcontroller and key-press module etc.; The input of video switcher is connected with a HDMI input interface, the 2nd HDMI input interface, a HDbaseT video transmitter receiving terminal, the output of video switcher and HDMI output interface and a HDbaseT video transmitter transmitting terminal; One HDbaseT video transmitter transmitting terminal is connected with netting twine output interface; Key-press module at least comprises a switching key, and microcontroller is connected with described video switcher and key-press module.The utility model can realize multi-path high-definition vision signal and switch output, meanwhile, can realize high-definition video signal with HDbaseT Chief Technology Officer Distance Transmission.
Description
Technical field
The utility model relates to audio frequency and video control technology field, particularly relates to one and can extend HDMI audio frequency and video switching device shifter.
Background technology
HDMI is HDMI (High Definition Multimedia Interface), and HDMI can provide the data transfer bandwidth up to 5Gbps, can transmit the audio signal without compression and high definition video signal.There is the multiple playing audio/video based on HDMI signal in present family or market, these HDMI signal output apparatus need to be wired to respectively on the display device of compatible high-definition signal, but, the quantity of HDMI signal output apparatus and display device is not necessarily mated, or some display device often will change the program of the different HDMI signal output apparatus of display, and same display device does not have enough HDMI signaling interfaces, multiple stage HDMI signal output apparatus cannot be accessed simultaneously, bring very big inconvenience to use.In view of this, market is needed one badly and can be implemented switching HDMI audio frequency and video switching device shifter to multichannel HDMI signalling channel.In addition, for high-definition video signals such as HDMI signals, long range propagation cannot be realized, therefore, bring great inconvenience to the use of people.
Utility model content
The purpose of this utility model is overcome deficiency of the prior art and provide one can extend HDMI audio frequency and video switching device shifter, and this device can realize multichannel HDMI signal switching and export, and meanwhile, can realize the transmission of HDMI signal long-distance.
The technical scheme that the utility model solution prior art problem adopts is: one can extend HDMI audio frequency and video switching device shifter, it is characterized in that, comprise a HDMI input interface, the 2nd HDMI input interface, netting twine input interface, a HDbaseT video transmitter receiving terminal, video switcher, HDMI output interface, a HDbaseT video transmitter transmitting terminal, netting twine output interface, SPDIF output interface, microcontroller and key-press module;
Wherein, a described HDMI input interface is for receiving a HDMI signal of the first video source from outside, and described 2nd HDMI input interface is for receiving the 2nd HDMI signal of the second video source from outside; Described netting twine input interface is for receiving a HDbaseT signal of the 2nd HDbaseT video transmitter transmitting terminal from outside, a described HDbaseT video transmitter receiving terminal is connected with described netting twine input interface, in order to a described HDbaseT signal is converted to the 3rd HDMI signal;
The audio frequency and video input of described video switcher is connected with a described HDMI input interface, the 2nd HDMI input interface, a HDbaseT video transmitter receiving terminal, selects to input a described HDMI signal, the 2nd HDMI signal or the 3rd HDMI signal for responding video switch signal; The video output terminals of described video switcher is connected with described HDMI output interface and a HDbaseT video transmitter transmitting terminal, for exporting high-definition video signal to described HDMI output interface or a HDbaseT video transmitter receiving terminal; First audio output of described video switcher is connected with described SPDIF output interface, for exporting the first digital audio and video signals to described SPDIF output interface;
A described HDbaseT video transmitter transmitting terminal is connected with described netting twine output interface, exports the 2nd outside HDbaseT video transmitter receiving terminal for described high-definition video signal being converted to the 2nd HDbaseT signal to by described netting twine output interface;
Described key-press module at least comprises a switching key, first control end of described microcontroller is connected with described video switcher, the input of described microcontroller is connected with key-press module, for producing described video switch signal according to the first triggering signal of described switching key.
Preferably, also comprise earphone input interface, analog signal turn digital efm signal, audio switch, power amplifier unit and loudspeaker;
Described earphone input interface is for connecting external audio source 40 to receive the first simulated audio signal, and described analog signal turns digital efm signal and is connected with described earphone input interface, for described first simulated audio signal is converted to the second digital audio and video signals;
The second audio output that input and the described analog signal of described audio switch turn digital efm signal and video switcher is connected, to receive the 3rd digital audio and video signals that described second digital audio and video signals and described video switcher second audio output export; First output of described audio switch is connected with power amplifier unit, selects the second digital audio and video signals or the 3rd digital audio and video signals to export described power amplifier unit to for responding Audio conversion signal;
Described power amplifier unit is connected with described loudspeaker, is exported after described second digital audio and video signals or the 3rd digital audio and video signals being amplified by described loudspeaker;
Second control end of described microcontroller is connected with described audio switch, for producing described Audio conversion signal according to the second triggering signal of described switching key.
Preferably, also comprise digital signal revolving die analog signal unit and headset output interface, described digital signal revolving die analog signal unit is connected with described audio switch, for described second digital audio and video signals or the 3rd digital audio and video signals are converted to the second simulated audio signal and are exported by described headset output interface.
Preferably, described power amplifier unit is also connected with supper bass driver, and described supper bass driver is connected with supper bass output interface.
Preferably, a described HDbaseT video transmitter receiving terminal is connected with an infrared receiving terminal, controls the 3rd video source for receiving the remote control command of the 3rd video source remote controller.
Preferably, a described HDbaseT video transmitter transmitting terminal is connected with an infrared emission head, controls the video display apparatus of outside for launching remote control command.
Preferably, a described HDbaseT video transmitter receiving terminal and the 2nd HDbaseT video transmitter receiving terminal adopt the VS100RX receiving chip of Valens company, and a described HDbaseT video transmitter transmitting terminal and the 2nd HDbaseT video transmitter transmitting terminal adopt the VS100TX transmitting chip of Valens company.
Preferably, described SPDIF output interface comprises optical fiber output interface.
Preferably, described video switcher adopts EP9442 chip.
The beneficial effects of the utility model are: the extended HDMI audio frequency and video switching device shifter that the utility model provides, at least three HDMI video sources, tunnel can be connected to same video display apparatus, again by video switcher can realize a HDMI input interface, the 2nd HDMI input interface and netting twine input interface high-definition video signal switch export HDMI output interface or netting twine output interface to, the namely switching of multi-path high-definition video exports, so, can user cost be reduced, improve Consumer's Experience.Meanwhile, in the utility model, netting twine input interface, a HDbaseT video transmitter receiving terminal, a HDbaseT video transmitter transmitting terminal, netting twine output interface can realize the high-definition video signal of the 3rd video source with HDbaseT Chief Technology Officer Distance Transmission.
Accompanying drawing explanation
Fig. 1 is the functional-block diagram that the utility model embodiment can extend HDMI audio frequency and video switching device shifter.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it is to be appreciated that term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
With reference to shown in Fig. 1, the utility model provides one can extend HDMI audio frequency and video switching device shifter, comprises a HDMI input interface 10, the 2nd HDMI input interface 11, netting twine input interface 12, a HDbaseT video transmitter receiving terminal 13, video switcher 14, HDMI output interface 15, a HDbaseT video transmitter transmitting terminal 16, netting twine output interface 17, microcontroller 31 and key-press module 32.
Concrete, a HDMI input interface 10 is for receiving a HDMI signal of the first video source 34 from outside, and described 2nd HDMI input interface 11 is for receiving the 2nd HDMI signal of the second video source 35 from outside; Described netting twine input interface 12 is for receiving a HDbaseT signal of the 2nd HDbaseT video transmitter transmitting terminal 37 from outside, a described HDbaseT video transmitter receiving terminal 13 is connected with described netting twine input interface 12, in order to a described HDbaseT signal is converted to the 3rd HDMI signal.
That is, the HDMI signal that one HDMI input interface 10 exports for being connected to receive the first video source 34 with the first video source 34 of outside, the 2nd HDMI signal that the 2nd HDMI input interface 11 exports for being connected to receive the second video source 35 with the second video source 35 of outside.First video source 34 and the second video source 35 can be to play the playback equipment of HDMI HD video, it is a HDMI signal that first video source 34 plays the vision signal exported, video switcher 14 is inputed to by a HDMI input interface 10, and the vision signal that the second video source 35 plays output is the 2nd HDMI signal, input to video switcher 14 by the 2nd HDMI input interface 11.Namely the first video source 34, second video source 35 inputs to video switcher 14 as two-path video.And netting twine input interface 12 can be generally RJ45 interface, for being connected to receive the HDbaseT signal that the 2nd HDbaseT video transmitter transmitting terminal 37 exports with the 2nd HDbaseT video transmitter transmitting terminal 37 of outside, a HDbaseT signal is converted to the 3rd HDMI signal by a HDbaseT video transmitter receiving terminal 13 again and inputs to video switcher 14.The 2nd outside HDbaseT video transmitter transmitting terminal 37 is connected with the 3rd video source 36.Namely the 3rd video source 36 transfers to netting twine input interface 12 as the 3rd road video by the 2nd HDbaseT video transmitter transmitting terminal 37, then inputs to video switcher 14 by a HDbaseT video transmitter receiving terminal 13.
HDBaseT is a kind of new HD video transmission technology, by companies such as TV university factory of family LG, Samsung, the Sony from Japan and Korea S, and the semiconductor company Valens Semiconductor of Israel, constitute HDBaseT alliance, HDCP certification by Intel in 2009, in in by the end of June, 2010, the formal specification of HDBaseT 1.0 is determined.HDbaseT 1.0 supports the transmission rate of the highest 20Gbps, ideally can support FULL 3D and 4K x 2K video format, transmission adopts common CAT5e/6 network cable to carry out nothing compression transmission, connector also adopts common RJ45 joint, and transmission range reaches 100 meters, in addition, also provide with the power supply capacity of ethernet feature, 100W (PoE) and other control signal passages.HDBaseT2.0 achieves HDBaseT from the audio-visual passing to consumer electronics of specialty, multimedia interconnected family solution is set up in help, single core lan line (Cat5e or Cat6e of hundred meters can be reached by one, namely usually said category-5 cable, six class lines) collect the power of non-compression high definition video (comprising 4K), audio frequency, power supply, Ethernet, control signal and the highest 100W, simultaneously for multiple display screen provides 5Play function collection, HDMI2.0 etc. can be supported.
And the HDbaseT video transmitter for transmitting non-compression high definition video (comprising 4K) that the semiconductor company Valens Semiconductor that HDbaseT video transmitter transmitting terminal in the utility model, HDbaseT video transmitter receiving terminal are exactly promoter Israel does based on HDbaseT, this HDbaseT video transmitter comprises HDbaseT video transmitter transmitting terminal and HDbaseT video transmitter receiving terminal, connected by netting twine between the two, so, the object of long range propagation non-compression high definition video signal can be played.
That is, the HDMI signal that 3rd video source 36 exports first can convert a HDbaseT signal to by the 2nd HDbaseT video transmitter transmitting terminal 37, transfer to the netting twine input interface 12 (RJ45 interface) that the utility model can extend HDMI audio frequency and video switching device shifter by netting twine (such as 100 meters of netting twines) again, then convert a HDbaseT signal to the 3rd HDMI signal by a HDbaseT video transmitter receiving terminal 13 of inside and input to video switcher 14.Due to 100 meters of netting twines can be connected between netting twine input interface 12 with the 2nd HDbaseT video transmitter transmitting terminal 37, so the 3rd video source 36 and the distance extending HDMI audio frequency and video switching device shifter can be apart from each other of the present utility model, so, the effect that distance extends is served.
The audio frequency and video input of video switcher 14 is connected with a described HDMI input interface 10, the 2nd HDMI input interface 11, a HDbaseT video transmitter receiving terminal 13, selects to input a described HDMI signal, the 2nd HDMI signal or the 3rd HDMI signal for responding video switch signal; The video output terminals of described video switcher 14 is connected with described HDMI output interface 15 and a HDbaseT video transmitter transmitting terminal 16, for exporting high-definition video signal to described HDMI output interface 15 or a HDbaseT video transmitter receiving terminal 13; First audio output of described video switcher 14 is connected with described SPDIF output interface, for exporting the first digital audio and video signals to described SPDIF output interface.That is, video switcher 14 can select any road HDMI signal access in first, second, third video source 36, and exports HDMI output interface 15 or netting twine output interface 17 to by by the high-definition video signal selected in HDMI signal.And exported by SPDIF output interface for by the first digital audio and video signals in the HDMI signal selected.
Be understandable that, SPDIF output interface can comprise optical fiber output interface 22, namely both can export the first digital audio and video signals by optical fiber.
HDMI output interface 15 for connecting outside video display apparatus 39, to be exported to described video display apparatus 39 by a described HDMI signal, the 2nd HDMI signal or the 3rd HDMI signal by the HDMII signal selected.That is, a HDMI signal in a HDMI signal, the 2nd HDMI signal or the 3rd HDMI signal can be selected under the control of video switcher 14, and show by the direct output video display device 39 of high-definition video signal in this HDMI signal of selecting.
And a HDbaseT video transmitter transmitting terminal 16 is connected with described netting twine output interface 17, export the 2nd outside HDbaseT video transmitter receiving terminal 38 for described high-definition video signal being converted to the 2nd HDbaseT signal to by described netting twine output interface 17.That is, video switcher 14 can also select a HDMI signal, a HDMI signal in 2nd HDMI signal or the 3rd HDMI signal, and export a HDbaseT video transmitter transmitting terminal 16 to by by the high-definition video signal in this HDMI signal of selecting, the 2nd HDbaseT signal is converted thereof into again by a HDbaseT video transmitter transmitting terminal 16, the netting twine (such as 100 meters of netting twines) that 2nd HDbaseT signal is connected by netting twine delivery outlet again transfers to the 2nd outside HDbaseT video transmitter receiving terminal 38, the 2nd HDbaseT signal is converted to high-definition video signal again by the 2nd HDbaseT video transmitter receiving terminal 38, finally export video display apparatus 21 to carry out showing.
Key-press module 32 at least comprises a switching key, first control end of microcontroller 31 is connected with described video switcher 14, the input of described microcontroller 31 is connected with key-press module 32, for producing described video switch signal according to the first triggering signal of described switching key.So, user can carry out the selection switching output of video source by switching key, such as select the high-definition video signal in the first video source 34 directly to export video display apparatus 39 etc. to by HDMI output interface 15, or export video display apparatus 21 by netting twine output interface 17 to through the 2nd HDbaseT video transmitter receiving terminal 38.When being exported by netting twine output interface 17, due to 100 meters of netting twines can be connected between netting twine output interface 17 with the 2nd HDbaseT video transmitter receiving terminal 38, therefore, video display apparatus 21 can extend HDMI audio frequency and video switching device shifter distance apart from each other with of the present utility model, so, the effect that distance extends is served.
Be understandable that, key-press module 32 can also comprise on volume button etc., microcontroller 31 and is also connected with USB interface 33 and communication serial port etc.
According to the extended HDMI audio frequency and video switching device shifter that the utility model provides, the high-definition video signal switching that can be realized a HDMI input interface 10, the 2nd HDMI input interface 11 and netting twine input interface 12 by video switcher 14 exports HDMI output interface 15 or netting twine output interface 17 to, and namely 3 road video inputs switch 2 road video frequency output.Meanwhile, in the utility model, netting twine input interface 12, HDbaseT video transmitter receiving terminal the 13, an one HDbaseT video transmitter transmitting terminal 16, netting twine output interface 17 can realize the high-definition video signal of the 3rd video source 36 with HDbaseT Chief Technology Officer Distance Transmission.
In a preferred embodiment of the present utility model, also comprise earphone input interface 18, analog signal turns digital efm signal 19, audio switch 20, power amplifier unit 25 and loudspeaker 26.
Concrete, earphone input interface 18 (such as 3.5mm earphone socket) is for connecting external audio source 40 to receive the first simulated audio signal, described analog signal turns digital efm signal 19 and is connected with described earphone input interface 18, for described first simulated audio signal is converted to the second digital audio and video signals.
The second audio output that input and the described analog signal of audio switch 20 turn digital efm signal 19 and video switcher 14 is connected, to receive the 3rd digital audio and video signals that described second digital audio and video signals and described video switcher 14 second audio output export; First output of described audio switch 20 is connected with power amplifier unit 25, selects the second digital audio and video signals or the 3rd digital audio and video signals to export described power amplifier unit 25 to for responding Audio conversion signal.Power amplifier unit 25 is connected with described loudspeaker 26, is exported after described second digital audio and video signals or the 3rd digital audio and video signals being amplified by described loudspeaker 26.
That is, there is two-way audio to input, namely inputted by earphone input interface 18 and turned the second digital audio and video signals that digital efm signal 19 is changed and the 3rd digital audio and video signals peeled off by video switcher 14 by analog signal.Second digital audio and video signals, the 3rd digital audio and video signals control one of them by audio switch 20 and export power amplifier unit 25 to, then are exported by loudspeaker 26 after carrying out signal amplification by power amplifier unit 25.That is, the HDMI of prolongation audio frequency and video switching device shifter of the present utility model carries power amplifier, is exported after the second digital audio and video signals or the 3rd digital audio and video signals can carry out signal amplification by power amplifier unit 25 by loudspeaker 26.
Second control end of microcontroller 31 is connected with described audio switch 20, for producing described Audio conversion signal according to the second triggering signal of described switching key.So, for Audio conversion output can be carried out by switching key.
In an embodiment of the present utility model, also comprise digital signal revolving die analog signal unit 23 and headset output interface 24 (such as 3.5mm earphone socket), described digital signal revolving die analog signal unit 23 is connected with described audio switch 20, for described second digital audio and video signals or the 3rd digital audio and video signals being converted to the second simulated audio signal and being exported by described headset output interface 24.That is, audio frequency exports and comprises SPDIF output and the output of earphone output two-way audio.
Alternatively, power amplifier unit 25 is also connected with supper bass driver 27, and described supper bass driver 27 is connected with supper bass output interface 28.So, by while loudspeaker 26 output audio, there is supper bass effect.
In an embodiment of the present utility model, because HDbaseT technology also supports infrared signal transmission.Therefore, in the present embodiment, be connected with an infrared receiving terminal 29 at a HDbaseT video transmitter receiving terminal 13, so, the remote control command of the 3rd video source 36 remote controller can be received and the 3rd video source 36 is controlled.
More favorably, a HDbaseT video transmitter transmitting terminal 16 is connected with an infrared emission head 30, so, can launch remote control command and control the video display apparatus 21 of outside.
It should be noted that, a HDbaseT video transmitter receiving terminal 13 in the utility model and the 2nd HDbaseT video transmitter receiving terminal 38 adopt the VS100RX receiving chip of Valens company, and a described HDbaseT video transmitter transmitting terminal 16 and the 2nd HDbaseT video transmitter transmitting terminal 37 adopt the VS100TX transmitting chip of Valens company.Video switcher 14 can adopt EP9442 chip.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (9)
1. one kind can extend HDMI audio frequency and video switching device shifter, it is characterized in that, comprise a HDMI input interface, the 2nd HDMI input interface, netting twine input interface, a HDbaseT video transmitter receiving terminal, video switcher, HDMI output interface, a HDbaseT video transmitter transmitting terminal, netting twine output interface, SPDIF output interface, microcontroller and key-press module;
Wherein, a described HDMI input interface is for receiving a HDMI signal of the first video source from outside, and described 2nd HDMI input interface is for receiving the 2nd HDMI signal of the second video source from outside; Described netting twine input interface is for receiving a HDbaseT signal of the 2nd HDbaseT video transmitter transmitting terminal from outside, a described HDbaseT video transmitter receiving terminal is connected with described netting twine input interface, in order to a described HDbaseT signal is converted to the 3rd HDMI signal;
The audio frequency and video input of described video switcher is connected with a described HDMI input interface, the 2nd HDMI input interface, a HDbaseT video transmitter receiving terminal, selects to input a described HDMI signal, the 2nd HDMI signal or the 3rd HDMI signal for responding video switch signal; The video output terminals of described video switcher is connected with described HDMI output interface and a HDbaseT video transmitter transmitting terminal, for exporting high-definition video signal to described HDMI output interface or a HDbaseT video transmitter receiving terminal; First audio output of described video switcher is connected with described SPDIF output interface, for exporting the first digital audio and video signals to described SPDIF output interface;
A described HDbaseT video transmitter transmitting terminal is connected with described netting twine output interface, exports the 2nd outside HDbaseT video transmitter receiving terminal for described high-definition video signal being converted to the 2nd HDbaseT signal to by described netting twine output interface;
Described key-press module at least comprises a switching key, first control end of described microcontroller is connected with described video switcher, the input of described microcontroller is connected with key-press module, for producing described video switch signal according to the first triggering signal of described switching key.
2. according to claim 1ly extend HDMI audio frequency and video switching device shifter, it is characterized in that, also comprise earphone input interface, analog signal turns digital efm signal, audio switch, power amplifier unit and loudspeaker;
Described earphone input interface is for connecting external audio source to receive the first simulated audio signal, and described analog signal turns digital efm signal and is connected with described earphone input interface, for described first simulated audio signal is converted to the second digital audio and video signals;
The second audio output that input and the described analog signal of described audio switch turn digital efm signal and video switcher is connected, to receive the 3rd digital audio and video signals that described second digital audio and video signals and described video switcher second audio output export; First output of described audio switch is connected with power amplifier unit, selects the second digital audio and video signals or the 3rd digital audio and video signals to export described power amplifier unit to for responding Audio conversion signal;
Described power amplifier unit is connected with described loudspeaker, is exported after described second digital audio and video signals or the 3rd digital audio and video signals being amplified by described loudspeaker;
Second control end of described microcontroller is connected with described audio switch, for producing described Audio conversion signal according to the second triggering signal of described switching key.
3. according to claim 2ly extend HDMI audio frequency and video switching device shifter, it is characterized in that, also comprise digital signal revolving die analog signal unit and headset output interface, described digital signal revolving die analog signal unit is connected with described audio switch, for described second digital audio and video signals or the 3rd digital audio and video signals are converted to the second simulated audio signal and are exported by described headset output interface.
4. according to claim 2ly extend HDMI audio frequency and video switching device shifter, it is characterized in that, described power amplifier unit is also connected with supper bass driver, and described supper bass driver is connected with supper bass output interface.
5. according to claim 1ly extend HDMI audio frequency and video switching device shifter, it is characterized in that, a described HDbaseT video transmitter receiving terminal is connected with an infrared receiving terminal, controls the 3rd video source for receiving the remote control command of the 3rd video source remote controller.
6. according to claim 1ly extend HDMI audio frequency and video switching device shifter, it is characterized in that, a described HDbaseT video transmitter transmitting terminal is connected with an infrared emission head, controls the video display apparatus of outside for launching remote control command.
7. according to claim 1ly extend HDMI audio frequency and video switching device shifter, it is characterized in that, a described HDbaseT video transmitter receiving terminal and the 2nd HDbaseT video transmitter receiving terminal adopt the VS100RX receiving chip of Valens company, and a described HDbaseT video transmitter transmitting terminal and the 2nd HDbaseT video transmitter transmitting terminal adopt the VS100TX transmitting chip of Valens company.
8. according to claim 1ly extend HDMI audio frequency and video switching device shifter, it is characterized in that, described SPDIF output interface comprises optical fiber output interface.
9. according to claim 2ly extend HDMI audio frequency and video switching device shifter, it is characterized in that, described video switcher adopts EP9442 chip.
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| CN107071349A (en) * | 2017-03-23 | 2017-08-18 | 深圳市索飞翔科技有限公司 | HD video transmits cascade network line stretcher |
| CN108737760A (en) * | 2017-04-25 | 2018-11-02 | 深圳市玩视科技有限公司 | The device and method of single network cable transmission high definition HDMI signals |
| CN107018347A (en) * | 2017-05-23 | 2017-08-04 | 深圳市鸿哲智能系统工程有限公司 | A kind of 4K high definitions transmitter |
| CN107342872A (en) * | 2017-08-23 | 2017-11-10 | 深圳市朗强科技有限公司 | A kind of multimedia dispensing device, reception device and Transmission system for transmitting electric energy |
| CN111954062A (en) * | 2020-07-14 | 2020-11-17 | 西安万像电子科技有限公司 | Information processing method and device |
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