CN204291248U - A kind of audio-video signal optical fiber transmission device - Google Patents
A kind of audio-video signal optical fiber transmission device Download PDFInfo
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- CN204291248U CN204291248U CN201420622655.8U CN201420622655U CN204291248U CN 204291248 U CN204291248 U CN 204291248U CN 201420622655 U CN201420622655 U CN 201420622655U CN 204291248 U CN204291248 U CN 204291248U
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Abstract
A kind of audio-video signal optical fiber transmission device, described transmitter comprises transmitting terminal and receiving terminal; Audio-video signal processing module and optic module is provided with in described transmitting terminal box body; Optic module and video processing module is provided with in described receiving terminal box body; The fiber-optic signal that optic module described in receiving terminal is sent by described fiber-optic signal interface transmitting terminal and solve video, audio frequency, control signal export respectively by corresponding output, described video processing module is exported by described VT after converting the digital video signal that described optic module exports to analog video signal.Optical fiber transmission device of the present utility model is except supporting that audio-video signal is by can also synchronous bidirectional transmission of control signals while high speed fibre long-distance transmissions, to realize the demand for control to equipment, and the monitoring interface providing incoming video signal connects watch-dog or demonstration equipment to facilitate.
Description
Technical field
The utility model relates to a kind of audio-video signal optical fiber transmission device.
Technical background
In fields such as radio and television engineering, the multimedia conferencing Room, large scale display engineering, television teaching, command and control centers, need aly can support that remote synchronous transmits high resolution audio and video signal and control signal, and have picture monitoring function, and control system upgrades audio-video signal transmitter easily of upgrading.
Utility model content
Technical problem to be solved in the utility model, is just to provide a kind of optical fiber transmission device that remote synchronous transmits high resolution audio and video signal and control signal of supporting.
The utility model solves its technical problem by following technical solution: a kind of audio-video signal optical fiber transmission device, and described transmitter comprises transmitting terminal and receiving terminal;
Described transmitting terminal comprises transmitting terminal box body, described transmitting terminal box body is provided with analog audio source input, HD video source signal input, control signal coffret, fiber-optic signal interface;
Audio-video signal processing module and optic module is provided with in described transmitting terminal box body;
Transmitting terminal:
Described analog audio source input, HD video source signal input are connected with described audio-video signal processing module respectively, and described fiber-optic signal interface, control signal coffret, audio-video signal processing module are connected with described optic module respectively;
Described audio-video signal processing module receives audio-video source signal by described analog audio source input, HD video source signal input, after being encoded into digital signal, output to described optic module, described optic module is by the control signal by described control signal coffret input and be converted to fiber-optic signal by the digital signal of described audio-video signal processing module output and sent by described fiber-optic signal interface;
Described receiving terminal comprises receiving terminal box body, described receiving terminal box body is provided with VT, simulated audio signal output, control signal coffret and fiber-optic signal interface;
Optic module and video processing module is provided with in described receiving terminal box body;
Receiving terminal:
Described fiber-optic signal interface is connected with described optic module, described optic module is connected with described control signal coffret respectively with described video processing module, described optic module is also connected with described simulated audio signal output by a D/A modular converter, and described video processing module is connected with described VT;
The fiber-optic signal that optic module described in receiving terminal is sent by described fiber-optic signal interface transmitting terminal and solve video, audio frequency, control signal export respectively by corresponding output, described video processing module is exported by described VT after converting the digital video signal that described optic module exports to analog video signal.
Expand as to the one of the utility model function: described transmitting terminal box body is also provided with monitoring interface, monitoring module is also provided with in described transmitting terminal box body, described monitoring interface is connected with described audio-video signal processing module by described monitoring module, and described monitoring module is exported by described monitoring interface after the digital signal that described audio-video signal processing module exports being converted to high-definition video signal.
Described HD video source signal input comprises HDMI and DVI interface, also control module is provided with in described transmitting terminal box body, the described control module of transmitting terminal is connected with described audio-video signal processing module, for selecting the HD video source signal inputting described audio-video signal processing module, namely select the video source of the described audio-video signal processing module of input from HDMI or DVI interface and analog audio source input, the described control module of transmitting terminal is also connected with described monitoring module, described monitoring interface comprises HDMI and monitors interface and DVI monitoring interface, the described control module of transmitting terminal controls the high-definition video signal of described monitoring module output by described HDMI monitoring interface or the output of DVI monitoring interface.
Be provided with control module in described receiving terminal box body, the described control module of receiving terminal is connected with described video processing module, controls described video processing module outputting VGA or YUV or CV analog video signal.
The described fiber-optic signal interface of transmitting terminal and receiving terminal comprises single core multimode fiber signaling interface and single core monomode fiber signaling interface or is all single core multimode fiber signaling interface or is all single core monomode fiber signaling interface.Single core multimode fiber farthest transmission range can reach 300M, and single core monomode fiber farthest transmission range can reach 20KM.
The described optic module of transmitting terminal is made up of AERS sending module and LC optical fiber sending module, the described control signal coffret of transmitting terminal is connected with described AERS sending module respectively with audio-video signal processing module, and AERS sending module is connected with the described fiber-optic signal interface of described transmitting terminal by described LC optical fiber sending module;
The described optic module of receiving terminal is made up of LC optic fiber transceiver module and AERS receiver module, the described fiber-optic signal interface of receiving terminal is connected with described LC optic fiber transceiver module, LC optic fiber transceiver module is connected with AERS receiver module, and AERS receiver module is connected with control signal coffret respectively with each output of receiving terminal.
The described control signal coffret of transmitting terminal and receiving terminal includes a RS-232 signaling interface, an infrared signal input and an infrared signal output, the described RS-232 signaling interface of transmitting terminal is connected with described AERS sending module by a level switch module, the described RS-232 signaling interface of receiving terminal is connected with described AERS receiver module by a level switch module, the control signal coffret of transmitting terminal and receiving terminal possesses the function of transmission and reception control signal simultaneously, makes control signal of the present utility model can bi-directional.
The described control module of transmitting terminal is made up of MCU control module and the control button be arranged on described transmitting terminal box body, and the control button on operation transmitting terminal box body realizes the control to described audio-video signal processing module and described monitoring module;
The described control module of receiving terminal is made up of MCU control module and the control button be arranged on described receiving terminal box body, and the control button on operation receiving terminal box body realizes the control to described video processing module.
The described audio-video signal processing module of transmitting terminal comprises A/D modular converter and HDMI Rx module, described analog audio source input is connected with described HDMI Rx module by described A/D modular converter, the described control module of transmitting terminal is connected with AERS sending module with the described A/D modular converter of transmitting terminal, HDMI Rx module respectively, realizes the mode of operation of status monitoring to described AERS sending module and the described A/D modular converter of adjustment;
The described control module of receiving terminal is also connected with AERS receiver module with the described D/A modular converter of receiving terminal respectively, realizes the status monitoring to described AERS receiver module and the mode of operation adjusting described D/A modular converter.
Relative to prior art, the utility model has following beneficial effect: optical fiber transmission device of the present utility model is except supporting that audio-video signal is by can also synchronous bidirectional transmission of control signals while high speed fibre long-distance transmissions, to realize the demand for control to equipment, and the monitoring interface providing incoming video signal connects watch-dog or demonstration equipment to facilitate.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the transmitting terminal of the audio-video signal optical fiber transmission device of the utility model specific embodiment;
Fig. 2 is the theory diagram of the receiving terminal of the audio-video signal optical fiber transmission device of the utility model specific embodiment;
Fig. 3 is the using state reference diagram of the audio-video signal optical fiber transmission device of the utility model specific embodiment.
Embodiment
It is an embodiment of the present utility model shown in Fig. 1 ~ 3, for our company is about to the CR-uSF HD 200T that appears on the market, CR-uSF AV 200R transmitter, CR-uSF HD 200T, CR-uSF AV 200R can realize adopting optical fiber solutions long-distance transmissions to high-definition digital signal and control signal.
CR-uSF HD 200T is the transmitting terminal of transmitter, and CR-uSF AV 200R is the receiving terminal of transmitter, and both are connected by optical fiber.
As shown in Figure 1,3, transmitting terminal comprises transmitting terminal box body, transmitting terminal box body is provided with analog audio source input AUDIO, HD video source signal input, control signal coffret, fiber-optic signal interface, monitors interface, HD video source signal input comprises HDMI and DVI interface, control signal coffret includes a RS-232 signaling interface, an infrared signal input IR RX and an infrared signal output IR TX, monitors interface and comprises HDMI monitoring interface and DVI monitoring interface.
Control module, audio-video signal processing module, optic module and monitoring module is provided with in transmitting terminal box body.
As shown in Figure 1, in the present embodiment, control module is by controlling button and MCU control module forms, controlling button and be arranged on abbreviation with MCU(Micro Control Unit on transmitting terminal box body) control module is connected, comprise an EDID button and a CHANNEL button, EDID button monitors interface for selecting the output of monitoring module, and CHANNEL button is for selecting the input signal source of audio-video signal processing module.The present embodiment selects HDMI Rx module as audio-video signal processing module, HDMI and DVI interface coupled, AUDIO interface is coupled by A/D modular converter.HDMI Rx module is the conventional a module for audio-video signal process.HDMI Rx module is connected with MCU control module, under the control of control module, and input HDMI or DVI and AUDIO.
Monitor module in the present embodiment by HDMI Tx module composition, it is connected with HDMI Rx, and the output of HDMI Rx is converted to high-definition video signal.HDMI Tx is also connected with MCU control module, under control module effect, monitors interface output to display MONITOR by HDMI monitoring interface or DVI.
MCU control module is also connected with A/D modular converter, for adjusting its mode of operation.Optic module comprises AERS sending module and LC optical fiber sending module, and AERS sending module is a kind of existing module, and it is connected with control signal coffret with the output of HDMI Rx, and wherein, RS-232 signaling interface is coupled by a level switch module.Fiber-optic signal interface is connected with LC optical fiber sending module.
AERS sending module can export high-speed differential signal by after the digital signal received and control signal coding, the control signal received can also be sent by control signal coffret.
LC optical fiber sending module converts the high-speed differential signal received to fiber-optic signal on the one hand and sends, and on the other hand, is sent to AERS sending module, thus realizes the transmitted in both directions of control signal after also can converting the fiber-optic signal received to the signal of telecommunication.
AERS sending module is also connected with MCU control module, is mainly used in the operating state of monitoring AERS sending module.
Transmitting terminal CR-uSF HD 200T supports HDMI1.3 agreement, HDCP1.3 agreement, DVI1.0 agreement.
As shown in Figure 2,3, receiving terminal comprises receiving terminal box body, receiving terminal box body is provided with VT COMPONENT, simulated audio signal output terminals A UDIO, control signal coffret and fiber-optic signal interface, control signal coffret comprises RS-232 signaling interface, an infrared signal input IR RX and an infrared signal output IR TX.
Control module, optic module and video processing module is provided with in receiving terminal box body.
Optic module comprises LC optic fiber transceiver module and AERS receiver module, fiber-optic signal interface is connected with LC optic fiber transceiver module, video processing module is connected with AERS receiver module, COMPONENT interface is connected with video processing module, AUDIO interface is connected with AERS receiver module by a D/A modular converter, control signal coffret is connected with AERS receiver module, and wherein, RS-232 interface is connected with AERS receiver module by a level switch module.
LC optic fiber transceiver module is connected with AERS receiver module, and LC optic fiber transceiver module converts the fiber-optic signal received to the signal of telecommunication and outputs to AERS receiver module, or converts the control signal that AERS receiver module receives to fiber-optic signal and send.AERS receiver module solves video from the output of LC optic fiber transceiver module, audio frequency, control signal export respectively by corresponding output.Video processing module is exported by COMPONENT interface after converting the digital video signal that AERS receiver module exports to VGA or YUV or CV analog video signal.
Control module comprises MCU control module and controls button, MCU control module and video processing module, control button and comprise a CHANNEL button, a RESOLUTION SELECTION switch, CHANNEL button is the one in VGA, YUV, CV for what select COMPOMENT to export, RESOLUTION SELECTION switch is used for arranging VGA, the output resolution ratio of YUV.MCU control module is also connected with AERS receiver module with D/A modular converter, realizes the status monitoring to AERS receiver module and the mode of operation adjusting D/A modular converter.
As shown in Figure 3, the utility model is powerful, multiple multimedia equipment can be connected, as the HDMI on transmitting terminal box body can connect high definition DVD, monitor interface and can connect HDTV, RS232 interface can be used for being connected desktop computer with DVI and AUDIO interface, and IR TX interface can connect infrared emission rod, and IR RX interface then can be used for being connected with remote controller.COMPONENT on receiving terminal box body and RS-232 interface can be used for being connected projector, and AUDIO interface connects power amplifier, and IR TX interface can connect infrared emission rod, and IR RX interface can be connected with remote controller.
The fiber-optic signal interface of transmitting terminal and receiving terminal comprises single core multimode fiber signaling interface and single core monomode fiber signaling interface or is all single core multimode fiber signaling interface or is all single core monomode fiber signaling interface.Single core multimode fiber farthest transmission range can reach 300M, and single core monomode fiber farthest transmission range can reach 20KM.
In the utility model, AERS transmission or receiver module are all existing module, are also called OL3631 sending module and OL3632 receiver module.
Above-described embodiment of the present utility model is not the restriction to the utility model protection range; execution mode of the present utility model is not limited thereto; according to foregoing of the present utility model; according to ordinary technical knowledge and the customary means of this area; do not departing under the utility model basic fundamental thought prerequisite; to the amendment of other various ways that the utility model said structure is made, replacement or change, all drop within protection range of the present utility model.
Claims (9)
1. an audio-video signal optical fiber transmission device, described transmitter comprises transmitting terminal and receiving terminal; It is characterized in that:
Described transmitting terminal comprises transmitting terminal box body, described transmitting terminal box body is provided with analog audio source input, HD video source signal input, control signal coffret, fiber-optic signal interface;
Audio-video signal processing module and optic module is provided with in described transmitting terminal box body;
Transmitting terminal:
Described analog audio source input, HD video source signal input are connected with described audio-video signal processing module respectively, and described fiber-optic signal interface, control signal coffret, audio-video signal processing module are connected with described optic module respectively;
Described audio-video signal processing module receives audio-video source signal by described analog audio source input, HD video source signal input, after being encoded into digital signal, output to described optic module, described optic module is by the control signal by described control signal coffret input and be converted to fiber-optic signal by the digital signal of described audio-video signal processing module output and sent by described fiber-optic signal interface;
Described receiving terminal comprises receiving terminal box body, described receiving terminal box body is provided with VT, simulated audio signal output, control signal coffret and fiber-optic signal interface;
Optic module and video processing module is provided with in described receiving terminal box body;
Receiving terminal:
Described fiber-optic signal interface is connected with described optic module, described optic module is connected with described control signal coffret respectively with described video processing module, described optic module is also connected with described simulated audio signal output by a D/A modular converter, and described video processing module is connected with described VT;
The fiber-optic signal that optic module described in receiving terminal is sent by described fiber-optic signal interface transmitting terminal and solve video, audio frequency, control signal export respectively by corresponding output, described video processing module is exported by described VT after converting the digital video signal that described optic module exports to analog video signal.
2. audio-video signal optical fiber transmission device according to claim 1, is characterized in that,
Described transmitting terminal box body is also provided with monitoring interface, monitoring module is also provided with in described transmitting terminal box body, described monitoring interface is connected with described audio-video signal processing module by described monitoring module, and described monitoring module is exported by described monitoring interface after the digital signal that described audio-video signal processing module exports being converted to high-definition video signal.
3. audio-video signal optical fiber transmission device according to claim 2, is characterized in that,
Described HD video source signal input comprises HDMI and DVI interface, also control module is provided with in described transmitting terminal box body, the described control module of transmitting terminal is connected with described audio-video signal processing module, for selecting the HD video source signal inputting described audio-video signal processing module, namely select the video source of the described audio-video signal processing module of input from HDMI or DVI interface and analog audio source input, the described control module of transmitting terminal is also connected with described monitoring module, described monitoring interface comprises HDMI and monitors interface and DVI monitoring interface, the described control module of transmitting terminal controls the high-definition video signal of described monitoring module output by described HDMI monitoring interface or the output of DVI monitoring interface.
4. audio-video signal optical fiber transmission device according to claim 3, is characterized in that,
Be provided with control module in described receiving terminal box body, the described control module of receiving terminal is connected with described video processing module, controls described video processing module outputting VGA or YUV or CV analog video signal.
5. audio-video signal optical fiber transmission device according to claim 4, it is characterized in that, the described fiber-optic signal interface of transmitting terminal and receiving terminal comprises single core multimode fiber signaling interface and single core monomode fiber signaling interface or is all single core multimode fiber signaling interface or is all single core monomode fiber signaling interface.
6. the audio-video signal optical fiber transmission device according to any one of claim 1 ~ 5 claim, it is characterized in that, the described optic module of transmitting terminal is made up of AERS sending module and LC optical fiber sending module, the described control signal coffret of transmitting terminal is connected with described AERS sending module respectively with audio-video signal processing module, and AERS sending module is connected with the described fiber-optic signal interface of described transmitting terminal by described LC optical fiber sending module;
Described in receiving terminal
optical fibermodule is made up of LC optic fiber transceiver module and AERS receiver module, the described fiber-optic signal interface of receiving terminal is connected with described LC optic fiber transceiver module, LC optic fiber transceiver module is connected with AERS receiver module, and AERS receiver module is connected with control signal coffret respectively with each output of receiving terminal.
7. audio-video signal optical fiber transmission device according to claim 6, it is characterized in that, the described control signal coffret of transmitting terminal and receiving terminal includes a RS-232 signaling interface, an infrared signal input and an infrared signal output, the described RS-232 signaling interface of transmitting terminal is connected with described AERS sending module by a level switch module, and the described RS-232 signaling interface of receiving terminal is connected with described AERS receiver module by a level switch module.
8. audio-video signal optical fiber transmission device according to claim 7, it is characterized in that, the described control module of transmitting terminal is made up of MCU control module and the control button be arranged on described transmitting terminal box body, and the control button on operation transmitting terminal box body realizes the control to described audio-video signal processing module and described monitoring module;
The described control module of receiving terminal is made up of MCU control module and the control button be arranged on described receiving terminal box body, and the control button on operation receiving terminal box body realizes the control to described video processing module.
9. audio-video signal optical fiber transmission device according to claim 8, it is characterized in that, the described audio-video signal processing module of transmitting terminal comprises A/D modular converter and HDMI Rx module, described analog audio source input is connected with described HDMI Rx module by described A/D modular converter, and the described control module of transmitting terminal is connected with AERS sending module with the described A/D modular converter of transmitting terminal, HDMI Rx module respectively;
The described control module of receiving terminal is also connected with AERS receiver module with the described D/A modular converter of receiving terminal respectively.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106713876A (en) * | 2017-02-20 | 2017-05-24 | 上海睿观博光电科技有限公司 | Two-core optical fiber transmitter for 4K super high-definition signal |
| CN106791729A (en) * | 2017-01-21 | 2017-05-31 | 上海睿观博光电科技有限公司 | A kind of DVI signals single-core fiber transmitter |
| CN107896320A (en) * | 2017-12-19 | 2018-04-10 | 苏州中亿丰科技有限公司 | A kind of system based on fiber-optics remote transmission audio-video signal |
| CN109309820A (en) * | 2018-11-05 | 2019-02-05 | 长芯盛（武汉）科技有限公司 | A kind of HDMI active optical cable connecting line with monitoring and configuration feature |
| CN109640062A (en) * | 2018-12-19 | 2019-04-16 | 深圳市东明炬创电子有限公司 | A kind of ultra high-definition video is without compression long distance transmitter |
| CN114173012A (en) * | 2021-11-03 | 2022-03-11 | 广西电网有限责任公司南宁供电局 | Audio access device for optical fiber organization |
| CN115174875A (en) * | 2022-09-08 | 2022-10-11 | 深圳市飞思卓科技有限公司 | HDMI high-definition data line and data transmission method |
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2014
- 2014-10-27 CN CN201420622655.8U patent/CN204291248U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106791729A (en) * | 2017-01-21 | 2017-05-31 | 上海睿观博光电科技有限公司 | A kind of DVI signals single-core fiber transmitter |
| CN106713876A (en) * | 2017-02-20 | 2017-05-24 | 上海睿观博光电科技有限公司 | Two-core optical fiber transmitter for 4K super high-definition signal |
| CN107896320A (en) * | 2017-12-19 | 2018-04-10 | 苏州中亿丰科技有限公司 | A kind of system based on fiber-optics remote transmission audio-video signal |
| CN109309820A (en) * | 2018-11-05 | 2019-02-05 | 长芯盛（武汉）科技有限公司 | A kind of HDMI active optical cable connecting line with monitoring and configuration feature |
| CN109309820B (en) * | 2018-11-05 | 2020-12-22 | 长芯盛（武汉）科技有限公司 | HDMI active optical cable connecting wire with monitoring and configuration functions |
| CN109640062A (en) * | 2018-12-19 | 2019-04-16 | 深圳市东明炬创电子有限公司 | A kind of ultra high-definition video is without compression long distance transmitter |
| CN114173012A (en) * | 2021-11-03 | 2022-03-11 | 广西电网有限责任公司南宁供电局 | Audio access device for optical fiber organization |
| CN115174875A (en) * | 2022-09-08 | 2022-10-11 | 深圳市飞思卓科技有限公司 | HDMI high-definition data line and data transmission method |
| CN115174875B (en) * | 2022-09-08 | 2022-12-06 | 深圳市飞思卓科技有限公司 | HDMI high-definition data line and data transmission method |
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