CN104469291A - Audio and video transmission system - Google Patents
Audio and video transmission system Download PDFInfo
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- CN104469291A CN104469291A CN201410691997.XA CN201410691997A CN104469291A CN 104469291 A CN104469291 A CN 104469291A CN 201410691997 A CN201410691997 A CN 201410691997A CN 104469291 A CN104469291 A CN 104469291A
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Abstract
The invention discloses an audio and video transmission system. The system comprises a mobile collection front end, a control display terminal, a wire link and a wireless link. The mobile collection front end receives audio or video signals and is configured to be connected to the control display terminal through the wire link or the wireless link so as to enable an audio signal or a video signal to be transmitted to the control display terminal to be displayed; the audio and video transmission system has multiple functions, and is simple and easy to carry.
Description
Technical field
The present invention relates to transmission field, particularly, relate to a kind of Voice & Video transmission system.
Background technology
The control terminal of most of audio video transmission is integrated in casing in the market, or be presented in LCD liquid crystal display screen by handheld device, and its weak point is function singleness, system complex, can only select the problem transmitting a kind of link.
Therefore, design a kind of diverse in function, system is simple, and portative Voice & Video transmission system becomes a kind of problem needing solution badly.
Summary of the invention
The object of the invention is the function singleness overcoming system of the prior art, the problem of system complex, provide a kind of Voice & Video transmission system, this Voice & Video transmission system function is various, and system is simple, portable.
To achieve these goals, the invention provides a kind of Voice & Video transmission system, this system comprises mobile collection front end, controls display terminal, wire link and wireless link, wherein, described mobile collection front end receiver audio or video signal, described mobile collection front end is configured to be connected to described control display terminal by described wire link or described wireless link, shows to send described audio or video signal to described control display terminal.
Preferably, described mobile collection front end comprises: audio-video signal processing module, the wireless data sending control module, ANTENN AUDIO and the video transmission module that couple mutually with described audio-video signal processing module and utilizing emitted light terminal, wherein, described audio-video signal processing module is provided with multichannel video camera port and audio port with receiving video signals or audio signal, described audio-video signal processing module receives the wireless transmission command signal of described wireless data sending control module, so that described vision signal or audio signal are sent to ANTENN AUDIO and video transmission module; Described audio-video signal processing module receives the wire transmission command signal of described wireless data sending control module, so that described vision signal or audio signal are sent to utilizing emitted light terminal.
Preferably, described control display terminal comprises: communications platform data processing module, the ANTENN AUDIO coupled mutually with described communications platform data processing module and video reception module, receive optical transmitter and receiver, hand held controller, sound module and display module, wherein, described ANTENN AUDIO and video reception module are connected to described ANTENN AUDIO and video transmission module by described wireless link, described reception optical transmitter and receiver is connected to described utilizing emitted light terminal by described wire link, described communications platform data processing module receives the video display signal of described hand held controller module, so that described vision signal is shown by described display module, described communications platform data processing module receives the audio display signals of described hand held controller module, so that described audio signal is play by described sound module, wherein, described wireless data sending control module accepts wireless transmission command signal or the wire transmission command signal of described hand held controller.
Preferably, described display module comprises multiple display unit, and described communications platform data processing module receives the appointment display of described hand held controller module, shows with the described display unit of being specified by described appointment display.
Preferably, the element of described display module is OLED.
Preferably, described ANTENN AUDIO and video transmission module send described audio signal or vision signal by OFDM (orthogonal frequency division multiplexi).
Preferably, described audio-video signal processing module comprise connect successively with lower component: audio/video coding compression member, described audio/video coding compression member receives described audio-video signal, obtains coded data to carry out compressed encoding to described audio-video signal;
Baseband process component, described baseband process component receives described coded data, obtains data after Base-Band Processing by OFDM (orthogonal frequency division multiplexi) process;
High-speed digital-analog conversion (DAC) processing unit, described high-speed digital-analog conversion (DAC) processing unit receives data after described Base-Band Processing, is converted to rear signal to carry out conditioning to data after described Base-Band Processing; And
Radio-frequency unit, described radio-frequency unit accepts described conditioning converted signals and described conditioning converted signals is passed to described ANTENN AUDIO and video transmission module.
By above-mentioned execution mode, Voice & Video transmission control system diverse in function of the present invention, wireless transmission and wire transmission can be supported, and can more wired and wireless between switch, wired and wireless two-channel Signal transmissions is supported when there being the demand moment, can select as required, there is radio signal shielding in some place, the wireless signal that may send cannot receive, so wire transmission will address this problem, by above-mentioned such connected mode, not only structure is simple, also very convenient when in use.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of the mobile collection front end that the specific embodiment of the present invention is described;
Fig. 2 is the schematic diagram of the control display terminal that the specific embodiment of the present invention is described; And
Fig. 3 is the schematic diagram of the audio-video signal processing module that the specific embodiment of the present invention is described.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the embodiment of a kind of Voice & Video transmission system of the present invention, this system comprises mobile collection front end, controls display terminal, wire link and wireless link, wherein, described mobile collection front end receiver audio or video signal, described mobile collection front end is configured to be connected to described control display terminal by described wire link or described wireless link, shows to send described audio or video signal to described control display terminal.
By above-mentioned execution mode, Voice & Video transmission control system diverse in function of the present invention, wireless transmission and wire transmission can be supported, and can more wired and wireless between switch, wired and wireless two-channel Signal transmissions is supported when there being the demand moment, can select as required, there is radio signal shielding in some place, the wireless signal that may send cannot receive, so wire transmission will address this problem, by above-mentioned such connected mode, not only structure is simple, also very convenient when in use.
Below in conjunction with accompanying drawing 1, accompanying drawing 2 and accompanying drawing, 3 couples of the present invention are further detailed, in the present invention, mobile collection front end is a signal input part, and can process the Voice & Video of input, to be transmitted by audio or video format transformation, the process of transmission can be that wireless transmission or wire transmission can be used for user to select.
In a kind of embodiment of the present invention, as a part of the present invention, for a collection normally port processing audio frequency of audio or video signal, a port processing video, different processing methods is adopted usually for two kinds of signals, but the wireless or wire transmission of requirement can be carried out according to the subjective desire of oneself to allow operator, described mobile collection front end can comprise: audio-video signal processing module, the wireless data sending control module coupled mutually with described audio-video signal processing module, ANTENN AUDIO and video transmission module and utilizing emitted light terminal, wherein, described audio-video signal processing module is provided with multichannel video camera port and audio port with receiving video signals or audio signal, described audio-video signal processing module receives the wireless transmission command signal of described wireless data sending control module, so that described vision signal or audio signal are sent to ANTENN AUDIO and video transmission module, described audio-video signal processing module receives the wire transmission command signal of described wireless data sending control module, so that described vision signal or audio signal are sent to utilizing emitted light terminal.The collection of multichannel audio-video frequency data and the handoff functionality of two links are responsible in mobile collection front end.
In this kind of execution mode, described control display terminal comprises: communications platform data processing module, the ANTENN AUDIO coupled mutually with described communications platform data processing module and video reception module, receive optical transmitter and receiver, hand held controller, sound module and display module, wherein, described ANTENN AUDIO and video reception module are connected to described ANTENN AUDIO and video transmission module by described wireless link, described reception optical transmitter and receiver is connected to described utilizing emitted light terminal by described wire link, described communications platform data processing module receives the video display signal of described hand held controller, so that described vision signal is shown by described display module, described communications platform data processing module receives the audio display signals of described hand held controller, so that described audio signal is play by described sound module, wherein, described wireless data sending control module accepts wireless transmission command signal or the wire transmission command signal of described hand held controller.
In this kind of execution mode, described display module comprises multiple display unit, described communications platform data processing module receives the appointment display of described hand held controller module, show with the described display unit of being specified by described appointment display, can realize by above-mentioned execution mode the real-time display carrying out switching display and many pictures to multi-channel video signal.
In this kind of execution mode, the element of described display module is OLED, and Helmet Mounted Display part adopts the OLED display of 0.6 inch, OLED Display Technique has self luminous characteristic, adopt very thin coating of organic material and glass substrate, when have electric current by time, organic material will be luminous.Such Display Technique has the advantages such as contrast is high, thickness is thin, visual angle is wide, reaction speed is fast, serviceability temperature scope is wide.Show dimensions as 12mm × 9mm, pel spacing is 15um, and visible angle is large.
In this kind of execution mode, described ANTENN AUDIO and video transmission module send described audio signal or vision signal by OFDM (orthogonal frequency division multiplexi).
In this kind of execution mode, described audio-video signal processing module comprise connect successively with lower component: audio/video coding compression member, described audio/video coding compression member receives described audio-video signal, obtains coded data to carry out compressed encoding to described audio-video signal;
Baseband process component, described baseband process component receives described coded data, obtains data after Base-Band Processing by OFDM (orthogonal frequency division multiplexi) process;
High-speed digital-analog conversion (DAC) processing unit, described high-speed digital-analog conversion (DAC) processing unit receives data after described Base-Band Processing, is converted to rear signal to carry out conditioning to data after described Base-Band Processing; And
Radio-frequency unit, described radio-frequency unit accepts described conditioning converted signals and described conditioning converted signals is passed to described ANTENN AUDIO and video transmission module.
Audio/video coding compression member carries out compressed encoding to the vision signal entered, and encoder bit rate is adjustable from 2000kbs ~ 18000kbs, and video formats PAL, NTSC can establish.Data after coding are through baseband process component, and these parts adopt OFDM modulation technology, effectively can resist the interference between signal waveform, be applicable to the high speed data transfers in multi-path environment and fading channel, mutually orthogonal between each subcarrier, allow frequency spectrum to have 1/2 overlap, improve the availability of frequency spectrum.Digital signal after Base-Band Processing is delivered to radio-frequency unit and is exported after the conditioning conversion of high-speed DAC processing module.RF frequency is adjustable from 250M to 1.4G, and stepping is 100KHz (extending to 4.4G).
Switch the link of audio video transmission by hand held controller, and switchings is carried out to multi-channel video signal to show and many pictures show in real time.Display adopts OLED Display Technique, and visible angle is large, and less than traditional LCD screen display power consumption, display effect is brighter, fine and smooth than LCD display.Complete equipment is easy to operate, and volume is little, lightweight, is convenient to individual soldier and carries.Wireless link front end of emission adopts OFDM modulation technology, interference between effective antagonism signal waveform, is applicable to the high speed data transfers in multi-path environment and fading channel, and mutually orthogonal between each subcarrier, allow frequency spectrum to have 1/2 overlap, improve the utilance of frequency spectrum.
The present invention also provides a kind of helmet, and the described helmet comprises: above-mentioned Voice & Video transmission system, and described control terminal is in the inside of the described helmet.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned execution mode; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different execution mode of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (7)
1. a Voice & Video transmission system, it is characterized in that, this system comprises mobile collection front end, controls display terminal, wire link and wireless link, wherein, described mobile collection front end receiver audio or video signal, described mobile collection front end is configured to be connected to described control display terminal by described wire link or described wireless link, shows to send described audio or video signal to described control display terminal.
2. a kind of Voice & Video transmission system according to claim 1, it is characterized in that, described mobile collection front end comprises: audio-video signal processing module, the wireless data sending control module coupled mutually with described audio-video signal processing module, ANTENN AUDIO and video transmission module and utilizing emitted light terminal, wherein, described audio-video signal processing module is provided with multichannel video camera port and audio port with receiving video signals or audio signal, described audio-video signal processing module receives the wireless transmission command signal of described wireless data sending control module, so that described vision signal or audio signal are sent to ANTENN AUDIO and video transmission module, described audio-video signal processing module receives the wire transmission command signal of described wireless data sending control module, so that described vision signal or audio signal are sent to utilizing emitted light terminal.
3. a kind of Voice & Video transmission system according to claim 2, it is characterized in that, described control display terminal comprises: communications platform data processing module, the ANTENN AUDIO coupled mutually with described communications platform data processing module and video reception module, receive optical transmitter and receiver, hand held controller, sound module and display module, wherein, described ANTENN AUDIO and video reception module are connected to described ANTENN AUDIO and video transmission module by described wireless link, described reception optical transmitter and receiver is connected to described utilizing emitted light terminal by described wire link, described communications platform data processing module receives the video display signal of described hand held controller module, so that described vision signal is shown by described display module, described communications platform data processing module receives the audio display signals of described hand held controller module, so that described audio signal is play by described sound module, wherein, described wireless data sending control module accepts wireless transmission command signal or the wire transmission command signal of described hand held controller.
4. a kind of Voice & Video transmission system according to claim 3, it is characterized in that, described display module comprises multiple display unit, described communications platform data processing module receives the appointment display of described hand held controller module, shows with the described display unit of being specified by described appointment display.
5. a kind of Voice & Video transmission system according to claim 1, is characterized in that, the element of described display module is OLED.
6. a kind of Voice & Video transmission system according to claim 2, is characterized in that, described ANTENN AUDIO and video transmission module send described audio signal or vision signal by OFDM (orthogonal frequency division multiplexi).
7. a kind of Voice & Video transmission system according to claim 2, it is characterized in that, described audio-video signal processing module comprise connect successively with lower component: audio/video coding compression member, described audio/video coding compression member receives described audio-video signal, obtains coded data to carry out compressed encoding to described audio-video signal;
Baseband process component, described baseband process component receives described coded data, obtains data after Base-Band Processing by OFDM (orthogonal frequency division multiplexi) process;
High-speed digital-analog conversion (DAC) processing unit, described high-speed digital-analog conversion (DAC) processing unit receives data after described Base-Band Processing, is converted to rear signal to carry out conditioning to data after described Base-Band Processing; And
Radio-frequency unit, described radio-frequency unit accepts described conditioning converted signals and described conditioning converted signals is passed to described ANTENN AUDIO and video transmission module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410691997.XA CN104469291A (en) | 2014-11-25 | 2014-11-25 | Audio and video transmission system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410691997.XA CN104469291A (en) | 2014-11-25 | 2014-11-25 | Audio and video transmission system |
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| CN104469291A true CN104469291A (en) | 2015-03-25 |
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| CN201410691997.XA Pending CN104469291A (en) | 2014-11-25 | 2014-11-25 | Audio and video transmission system |
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| US20020075876A1 (en) * | 2000-10-04 | 2002-06-20 | Munehiro Yoshikawa | Communication system, apparatus and methods employing multiple communication networks |
| CN1390087A (en) * | 2001-06-01 | 2003-01-08 | 杨泰和 | Radio or wired electrical controller capable of being worn onto wrist and hand-held |
| CN101394490A (en) * | 2007-09-20 | 2009-03-25 | 厦门华侨电子股份有限公司 | Non-compressed transmitting and receiving integrated display device for wireless digital high resolution audio and video signal |
| CN101867760A (en) * | 2010-06-23 | 2010-10-20 | 深圳市高斯贝尔家居智能电子有限公司 | High-definition audio and video wireless transmission system and method |
| CN202095010U (en) * | 2011-05-20 | 2011-12-28 | 曹旭 | 3rd generation (3G) or 4th generation (4G) television live broadcast vehicle with base station |
| CN102625075A (en) * | 2012-03-27 | 2012-08-01 | 苏州攀星光电科技有限公司 | Method and equipment for transmitting analog video signal and realizing long-distance power supply by network cables |
| CN103561097A (en) * | 2013-11-04 | 2014-02-05 | 山东英特力光通信开发有限公司 | Automotive emergency communication system |
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2014
- 2014-11-25 CN CN201410691997.XA patent/CN104469291A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020075876A1 (en) * | 2000-10-04 | 2002-06-20 | Munehiro Yoshikawa | Communication system, apparatus and methods employing multiple communication networks |
| CN1390087A (en) * | 2001-06-01 | 2003-01-08 | 杨泰和 | Radio or wired electrical controller capable of being worn onto wrist and hand-held |
| CN101394490A (en) * | 2007-09-20 | 2009-03-25 | 厦门华侨电子股份有限公司 | Non-compressed transmitting and receiving integrated display device for wireless digital high resolution audio and video signal |
| CN101867760A (en) * | 2010-06-23 | 2010-10-20 | 深圳市高斯贝尔家居智能电子有限公司 | High-definition audio and video wireless transmission system and method |
| CN202095010U (en) * | 2011-05-20 | 2011-12-28 | 曹旭 | 3rd generation (3G) or 4th generation (4G) television live broadcast vehicle with base station |
| CN102625075A (en) * | 2012-03-27 | 2012-08-01 | 苏州攀星光电科技有限公司 | Method and equipment for transmitting analog video signal and realizing long-distance power supply by network cables |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180709 Address after: 241100 Wuhu Anhui new Wuqu Economic Development Zone (Wuhu Aviation Industrial Park), Wuhu, Anhui Applicant after: ANHUI HUAMIN AVIONICS SYSTEM Co.,Ltd. Address before: 241003 2 high tech Industrial Development Zones in Wuhu, Anhui Applicant before: Anhui aviation optoelectronic Research Institute Co.,Ltd. Effective date of registration: 20180709 Address after: 241003 2 high tech Industrial Development Zones in Wuhu, Anhui Applicant after: Anhui aviation optoelectronic Research Institute Co.,Ltd. Address before: 241000 Huaxia science and Technology Park, Wuhu high tech Industrial Development Zone, Anhui Applicant before: Anhui Huadong Polytechnic Institute |
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Application publication date: 20150325 |