Intelligent broadcast monitoring system

A monitoring system and subsystem technology, applied in the field of electronic communication, can solve difficult tasks such as launch pad tasks

Active Publication Date: 2011-03-30
上海东方明珠传输有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Under such background requirements, if only relying on traditional technical support, it i

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment 1

[0084] see figure 1 , The present invention discloses an intelligent broadcast control monitoring system, said system includes: an audio signal subsystem 1, a signal acquisition subsystem 2, a broadcast monitoring subsystem 3, an alarm subsystem 4, and a monitoring center subsystem.

[0085] The signal acquisition subsystem 2 is connected with the audio signal subsystem 1, the broadcast monitoring subsystem 3, and the alarm subsystem 4 respectively, and collects the sampling signal that the audio signal subsystem 1 sends; the broadcast monitoring subsystem 3 and the signal acquisition subsystem 2 are connected to monitor the sampling signal collected by the signal acquisition subsystem 2; the alarm subsystem 4 is connected with the broadcast monitoring subsystem 3, and the broadcast monitoring subsystem 3

[0086] When an abnormality is detected, the corresponding alarm information is issued by comparing the alarm methods by category, and at the same time an alarm signal is se...

Embodiment 2

[0160] In this embodiment, the difference between this embodiment and Embodiment 1 lies in the program source switcher of the audio signal subsystem 1 .

[0161] In this embodiment, the function of the program source switcher is as follows:

[0162] 1. Automatic or manual signal switching mode is adopted between the main SDH1 (HARRIS) optical cable program source signal and the backup SDH2 (MA05) optical cable program source signal. The default position of the device is in the automatic switching mode. When the signal of the main SDH1 (HARRIS) optical cable program source is interrupted, and the standby SDH2 (MA05) optical cable program source still has the signal, the automatic switching operation will be implemented. The automatic switching time is 3 seconds. When the automatic switching fails, the two optical cable signals can also be switched manually.

[0163] 2. Due to the poor quality of the FM signal, there is a lot of noise, which is not conducive to the judgment of...

Embodiment 3

[0202] In this embodiment, the difference between this embodiment and Embodiment 1 lies in the signal acquisition subsystem of the system. see image 3 , in this embodiment, the signal acquisition subsystem includes the following modules:

[0203] 1. Limiting module:

[0204] In order to prevent the peak-to-peak value of the collected signal from being too large to damage the subsequent digital integrated circuit, it is necessary to limit the collected signal. The function of the limiter circuit is to limit the output signal amplitude within a certain range, that is, when the input voltage exceeds a certain reference range, the output voltage will be limited to a certain level (called limiter level), and no longer Varies with input voltage. Use clamping diodes to ensure that the amplitude of the audio input signal does not exceed ±12V; the function of the clamping circuit is to keep the top or bottom of the periodically changing waveform at a certain DC level.

[0205] 2. ...

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Abstract

The invention discloses an intelligent broadcast monitoring system which comprises an audio signal subsystem, a signal acquisition subsystem, a broadcast monitoring subsystem, an alarm subsystem and a monitoring center subsystem, wherein the signal acquisition subsystem is used for acquiring a sampling signal sent by the audio signal subsystem, processing the received signal and then sending the processed signal to the broadcast monitoring subsystem and the alarm subsystem; the broadcast monitoring subsystem is used for monitoring the sampling signal acquired by the signal acquisition subsystem; when the alarm subsystem monitors an abnormal condition, the alarm subsystem sends out corresponding alarm information through a classified comparative alarm mode and simultaneously sends out an alarm signal to control the broadcast monitoring subsystem; and the monitoring center subsystem is used for monitoring the data of a transmitter and environment parameters. The invention better solves the problem of monitoring blind spots, expands the monitoring range of a machine room, provides automatic and intelligent solutions for many control operations, greatly improves the effect of the routine works of the machine room and provides a good auxiliary means for on-duty machines and maintainers.

Description

technical field [0001] The invention belongs to the technical field of electronic communication and relates to a monitoring system, in particular to an intelligent broadcast control monitoring system. Background technique [0002] In recent years, with the establishment of Shanghai's status as an international metropolis, the content of programs transmitted by radio has been rapidly enriched with the diversification and internationalization of citizens' listening needs and its special mission. also greatly increased. The broadcast of these programs has become an inseparable part of the daily life and entertainment activities of the broad masses of the people in Shanghai. [0003] With the convening of the Olympic Games and the World Expo, the State Administration of Radio, Film and Television has gradually increased the anti-terrorism and security requirements for each launch station. The work tasks of the launch pad are becoming more and more severe. Whether it is the ext...

Claims

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Application Information

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IPC IPC(8): G08B25/00G09G3/14H04H20/12
Inventor 王毓祺蒋国庆谢锟高永亮
Owner 上海东方明珠传输有限公司
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