Safe broadcasting monitoring system based on video/audio matching technology

Abstract

The invention relates to a safe broadcasting monitoring system based on video/audio matching technology, comprising a device for supplying a broadcasting signal source, a primary broadcasting switch device of signals, a secondary broadcasting switch device of signals, a device for automatically switching the signals outputted by the primary broadcasting switch device and the secondary broadcasting switch and a broadcasting signal receiving device for receiving signals; a two-path signal matching device for matching two paths of signals is connected between any two paths of signal outputs of the devices. The beneficial effects generated by the invention are that the objective analysis for final-stage broadcasting signal audio technology indexes is realized in the sub-control system of the broadcasting channel by introducing the two-path signal matching device; the monitoring range of safe broadcasting is enlarged, and the safe broadcasting is not limited by artificial subjective judgment, so that the safety of the broadcasting system is further developed; automatic discovery, fast warning and in-time process for the abnormity of the broadcasting final-stage signal are realized; broadcasting accidents are effectively avoided; and the safety of broadcasting is improved.

Description

technical field [0001] The invention relates to a safe broadcast monitoring system based on video and audio comparison technology, which is a system for analyzing, comparing and alarming the final signal in the broadcast channel sub-control system under the computer network environment. The safe broadcast monitoring technology of TV station broadcast system. Background technique [0002] Usually, when TV stations design and build broadcast control systems, broadcast security is the primary consideration, and safe broadcast is the ultimate goal of every TV station's broadcast system. For the broadcast sub-control system, the security of the broadcast system can be realized in various ways, such as adopting a redundant backup structure for the core equipment inside the system to avoid a single failure point; optimizing the broadcast by improving the application program The control logic of signal scheduling can improve the control accuracy, and some automatic fault handling m...

AI Technical Summary

Problems solved by technology

If the staff is slightly negligent and does not find any abnormalities in the final broadcast signal, it will lead to broadcast accidents such as black frames and still frames in the final broadcast screen

Moreover, in such a situation where the spirit is in a state of tension for a long time, even if the abnormality of the last-stage broadcast signal can be found in time, it is easy to cause human misoperation accidents during emergency handling of the broadcast control

In addition, for the final broadcast signal of the channel sub-control system, if some technical indicators of the signal have problems, such as the difference between the left and right channels of the audio signal is too large, the phase is reversed, and the video signal continues to freeze for a period of time, similar to this signal abnormality The situation cannot be found through manual subjective judgment at all, it will inevitably affect the quality of the final broadcast, and cannot meet the requirements of safe broadcast

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