video delay test device in monitoring system

video delay test device in monitoring system

  • CN 106,851,259 A
  • Filed: 01/17/2017
  • Published: 06/13/2017
  • Est. Priority Date: 01/17/2017
  • Status: Active Application
First Claim
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1. the video delay test device in a kind of monitoring system, it is characterised in that the video delay test device includes:

  • Flying-spot video generator, time varying video signal and timestamp per two field picture for producing consecutive variations, and by imagePattern information is transmitted to delay Analysis unit with temporal information packing;

    Video delay Analysis unit, is identified for the frame pattern to decoding video, to determine the system that the frame pattern is producedTime, and the system time of current decoding display is subtracted each other with the frame pattern time of origin, prolonged with the transmission of video for obtaining systemWhen;

    Synchronization link, the synchronization for realizing flying-spot video generator and video delay Analysis unit.

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