Quantitative Scoring to Optimize Flight Test Video Encoding

Quantitative Scoring to Optimize Flight Test Video Encoding

Video capture and encoding are key functions of flight test data acquisition systems, such as monitoring aircraft surfaces and store deployment, capturing HUD displays, etc. Video data sources typically generate raw, uncompressed pixels over high-rate interfaces, such as DVI/HDMI or HD-SDI/3G-SDI. Limited telemetry bandwidth and space for extensive storage necessitate reducing this bitrate to a much more manageable data rate.

Encoding methods have gradually evolved from H.261 and MPEG-2 to H.264 and H.265. Each improvement in the video encoding scheme means flight test and instrumentation (FTI) equipment users can increase video resolution and frame rate without violating limited transmission spectrums or recorder capacities.

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