CN104410871A - Radio and television monitoring system - Google Patents
Radio and television monitoring system Download PDFInfo
- Publication number
- CN104410871A CN104410871A CN201410646237.7A CN201410646237A CN104410871A CN 104410871 A CN104410871 A CN 104410871A CN 201410646237 A CN201410646237 A CN 201410646237A CN 104410871 A CN104410871 A CN 104410871A
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- signal
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
- H04N21/2405—Monitoring of the internal components or processes of the server, e.g. server load
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
- H04N21/2404—Monitoring of server processing errors or hardware failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4332—Content storage operation, e.g. storage operation in response to a pause request, caching operations by placing content in organized collections, e.g. local EPG data repository
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
Abstract
The invention discloses a radio and television monitoring system. The radio and television monitoring system comprises an antenna unit, a radio and television playing system, a television monitoring unit and a control unit, wherein the input of the television monitoring unit is connected with the output of the antenna unit; the output of the television monitoring unit is connected with the input of the radio and television playing system; and the television monitoring unit is further connected with the control unit. Through adoption of the radio and television monitoring system, real-time monitoring of a plurality of channels of radio and television programs is realized, and monitored programs are subjected to video recording and sound recording.
Description
Technical field
The present invention relates to broadcast television monitoring field, particularly relate to a kind of broadcast television monitoring system.
Background technology
Society, it is a kind of very important communications media that radio and television are done.Broadcast television signal transmission network is national important basic network, and due to features such as its public property, openings, broadcast television signal is easily interfered in the transmission.In recent years, along with developing rapidly of science and technology, aerial all kinds of electric wave increases sharply, and transmitting power is increasing, and the kind of interference signal gets more and more, also increasing on the normal transmission impact of broadcast television signal.Lawless person attacks the normal broadcast having a strong impact on radio and television to the illegal signals of radio and television simultaneously, if illegal signals and other program broadcast in violation of rules and regulations, can cause larger negative effect.Therefore, impact to prevent interference signal, illegal signals and other normal broadcast of violation program to radio and television, need to monitor radio and television, so that Timeliness coverage interference or illegal signals and other in violation of rules and regulations program, and it is checked and gets rid of.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of broadcast television monitoring system is provided, realize carrying out Real-Time Monitoring to multi-channel radio and television program, and monitored program is recorded a video and recorded.
The object of the invention is to be achieved through the following technical solutions: a kind of broadcast television monitoring system, it comprises antenna element and radio and television Play System, it is characterized in that: it also comprises television monitoring unit and control unit, the described input of television monitoring unit is connected with the output of antenna element, the output of television monitoring unit is connected with the input of radio and television Play System, and television monitoring unit is also connected with control unit.
Described television monitoring unit comprises TV distributor, at least one television receiver, signal converter and video server, the signal input of TV distributor is connected with the output of antenna element, the signal of TV distributor exports and is connected with the signal input of television receiver, the audio frequency output of television receiver inputs with the audio frequency of video server respectively with video frequency output and video input is connected, video server is also connected with control unit and carries out exchanges data, the control input end of signal converter is connected with the control output end of control unit, the control output end of signal converter is connected with the control input end of television receiver.
Described control unit comprises signal processing module, discrimination module and host computer, the input of signal processing module is connected with the output of video server by network interface A, the output of signal processing module is connected with the input of judge module, the output of judge module is connected with host computer, and host computer is connected with video server and signal converter respectively.
Described television receiver comprises one or more the combination in analog television receiver and digital television receiver.
Described television monitoring unit comprises network interface A and network interface B, and described video server is connected with control unit by network interface A, and described signal converter is connected with control unit by network interface B.
It also comprises display unit, and described display unit is connected with video server by VGA video interface.
Described digital television receiver is CMMB receiver, and described signal converter is that IO turns network interface module.
Described signal processing module comprises Signal separator submodule, signal lag submodule and signal comparison sub-module, the input of Signal separator submodule is connected with the output of video server by network interface A, the output of Signal separator submodule is divided into two-way, be connected with the input of signal lag submodule and signal comparison sub-module respectively, the output of signal lag submodule is connected with the input of signal comparison sub-module, and the output of signal comparison sub-module is connected with the input of judge module.
Described judge module comprises processor submodule, decoding submodule, trigger submodule and buffer sublayer module, the input of trigger submodule is connected with the output of signal comparison sub-module, the output of trigger submodule is connected with the input of buffer sublayer module, buffer sublayer module is connected with decoding submodule, decoding submodule is connected with processor submodule, the control of processor submodule exports and is connected with the control inputs of signal comparison sub-module and buffer sublayer module respectively, and the output of processor submodule is connected with host computer.
The invention has the beneficial effects as follows: realize carrying out Real-Time Monitoring to multi-channel radio and television program, and monitored program is recorded a video and recorded.
Accompanying drawing explanation
Fig. 1 is the system block diagram of broadcast television monitoring system of the present invention;
Fig. 2 is the circuit structure diagram of television monitoring unit in the present invention;
Fig. 3 is the circuit structure diagram of control unit in the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of broadcast television monitoring system, it comprises antenna element, radio and television Play System, television monitoring unit and control unit, the input of television monitoring unit is connected with the output of antenna element, the output of television monitoring unit is connected with the input of radio and television Play System, and television monitoring unit is also connected with control unit.
As shown in Figure 3, television monitoring unit comprises TV distributor, at least one television receiver, signal converter and video server, the signal input of TV distributor is connected with the output of antenna element, the signal of TV distributor exports and is connected with the signal input of television receiver, the audio frequency output of television receiver inputs with the audio frequency of video server respectively with video frequency output and video input is connected, video server is also connected with control unit and carries out exchanges data, the control input end of signal converter is connected with the control output end of control unit, the control output end of signal converter is connected with the control input end of television receiver.
Described television monitoring unit also comprises power module, the input of described power module is connected with ups power by mains switch, power module is AC-DC power module, the 220V AC power input that ups power provides by this power module is converted to+5V and exports with the power supply of+12V, + the 5V of power module exports and is connected with power supply indicator, and+the 12V of power module exports and is connected with television receiver and video server respectively.
Described broadcast television monitoring system also comprises display unit, and described display unit is connected with video server by VGA video interface.
Described television receiver comprises one or more the combination in analog television receiver and digital television receiver.
Described digital television receiver is CMMB receiver, and described signal converter is that IO turns network interface module.
Described television monitoring unit also comprises network interface A and network interface B, and described video server is connected with control unit by network interface A, and described signal converter is connected with control unit by network interface B.
5 road TV distributors selected by described TV distributor, and wherein three tunnels export and are connected with the input of three analog television receivers respectively, and a road exports and is connected with the input of digital television receiver, and a road exports and is connected with the input of radio and television Play System.
Described signal converter is that IO turns network interface module, the network signal that control unit inputs is converted to I/O signal, and I/O signal is outputted to analog television receiver and digital television receiver respectively.
Described analog television receiver selects the quick lt291hd in sky, carries out demodulation, and the signal after demodulation is outputted to video server to the analog signal of TV distributor input.
Described digital television receiver selects Huayang CMMB TV box, carries out demodulation, and the signal after demodulation is outputted to video server to the CMMB digital signal of TV distributor input.
Described video server possesses network self-adapting technology, automatically video frame rate is adjusted according to the network bandwidth, support multiple RECORD mode: manually, regularly, mobility detect and warning video recording, possesses sound video recording log query function, the multiple safety guarantee function such as the inspection of system lock, press key locking, password, multi-stage user mandate.
As shown in Figure 2, described control unit comprises signal processing module, discrimination module and host computer, the input of signal processing module is connected with the output of video server by network interface A, the output of signal processing module is connected with the input of judge module, the output of judge module is connected with host computer, and host computer is connected with video server and signal converter respectively.
Described signal processing module comprises Signal separator submodule, signal lag submodule and signal comparison sub-module, the input of Signal separator submodule is connected with the output of video server by network interface A, the output of Signal separator submodule is divided into two-way, be connected with the input of signal lag submodule and signal comparison sub-module respectively, the output of signal lag submodule is connected with the input of signal comparison sub-module, and the output of signal comparison sub-module is connected with the input of judge module.
Described judge module comprises processor submodule, decoding submodule, trigger submodule and buffer sublayer module, the input of trigger submodule is connected with the output of signal comparison sub-module, the output of trigger submodule is connected with the input of buffer sublayer module, buffer sublayer module is connected with decoding submodule, decoding submodule is connected with processor submodule, the control of processor submodule exports and is connected with the control inputs of signal comparison sub-module and buffer sublayer module respectively, and the output of processor submodule is connected with host computer.
Described Signal separator submodule is made up of LM1881.
Described signal lag submodule is made up of C4098.
Described signal comparison sub-module is made up of 74HC08.
Described buffer sublayer module is made up of 74HC244.
Described decoding submodule is made up of 74HC138.
Described trigger submodule is made up of 74HC74.
Described processor submodule is made up of MCS8031.
Claims (7)
1. a broadcast television monitoring system, it comprises antenna element and radio and television Play System, it is characterized in that: it also comprises television monitoring unit and control unit, the described input of television monitoring unit is connected with the output of antenna element, the output of television monitoring unit is connected with the input of radio and television Play System, and television monitoring unit is also connected with control unit;
Described television monitoring unit comprises TV distributor, at least one television receiver, signal converter and video server, the signal input of TV distributor is connected with the output of antenna element, the signal of TV distributor exports and is connected with the signal input of television receiver, the audio frequency output of television receiver inputs with the audio frequency of video server respectively with video frequency output and video input is connected, video server is also connected with control unit and carries out exchanges data, the control input end of signal converter is connected with the control output end of control unit, the control output end of signal converter is connected with the control input end of television receiver,
Described control unit comprises signal processing module, discrimination module and host computer, the input of signal processing module is connected with the output of video server by network interface A, the output of signal processing module is connected with the input of judge module, the output of judge module is connected with host computer, and host computer is connected with video server and signal converter respectively.
2. a kind of broadcast television monitoring system according to claim 1, is characterized in that: described television receiver comprises one or more the combination in analog television receiver and digital television receiver.
3. a kind of broadcast television monitoring system according to claim 1, it is characterized in that: described television monitoring unit comprises network interface A and network interface B, described video server is connected with control unit by network interface A, and described signal converter is connected with control unit by network interface B.
4. a kind of broadcast television monitoring system according to claim 1, is characterized in that: it also comprises display unit, and described display unit is connected with video server by VGA video interface.
5. a kind of broadcast television monitoring system according to claim 2, is characterized in that: described digital television receiver is CMMB receiver, described signal converter is that IO turns network interface module.
6. a kind of broadcast television monitoring system according to claim 1, it is characterized in that: described signal processing module comprises Signal separator submodule, signal lag submodule and signal comparison sub-module, the input of Signal separator submodule is connected with the output of video server by network interface A, the output of Signal separator submodule is divided into two-way, be connected with the input of signal lag submodule and signal comparison sub-module respectively, the output of signal lag submodule is connected with the input of signal comparison sub-module, and the output of signal comparison sub-module is connected with the input of judge module.
7. a kind of broadcast television monitoring system according to claim 1, it is characterized in that: described judge module comprises processor submodule, decoding submodule, trigger submodule and buffer sublayer module, the input of trigger submodule is connected with the output of signal comparison sub-module, the output of trigger submodule is connected with the input of buffer sublayer module, buffer sublayer module is connected with decoding submodule, decoding submodule is connected with processor submodule, the control of processor submodule exports and is connected with the control inputs of signal comparison sub-module and buffer sublayer module respectively, the output of processor submodule is connected with host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410646237.7A CN104410871B (en) | 2014-11-15 | 2014-11-15 | A kind of broadcast television monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410646237.7A CN104410871B (en) | 2014-11-15 | 2014-11-15 | A kind of broadcast television monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN104410871A true CN104410871A (en) | 2015-03-11 |
| CN104410871B CN104410871B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410646237.7A Active CN104410871B (en) | 2014-11-15 | 2014-11-15 | A kind of broadcast television monitoring system |
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| CN (1) | CN104410871B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106791806A (en) * | 2016-12-12 | 2017-05-31 | 深圳华立视通科技有限公司 | A kind of network broadcast television signal monitoring system |
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2014
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Patent Citations (6)
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| US20060031905A1 (en) * | 2004-08-09 | 2006-02-09 | Hung-Rok Kwon | Apparatus and method of managing reception state of data in digital broadcasting system |
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| Publication number | Publication date |
|---|---|
| CN104410871B (en) | 2017-11-07 |
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