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> Major benefit of analog video is a progressive degradation of quality as a signal gets weaker and almost instant reacquisition after a complete dropout. I'm c
by baybal2 6y ago
> Major benefit of analog video is a progressive degradation of quality as a signal gets weaker and almost instant reacquisition after a complete dropout. I'm curious to see how DJI competes with that on a digital video.
Waiting for a degradation tolerant codec.
Old MPEGs were, as they had broadcast use in mind, but even 264 blow them out of the water on compression nowadays.
Loss tolerant codec + modern channel coding will likelly outrange analog for quality picture
- ohazi 6y agoSVC profiles target bandwidth degradation, but yeah nothing really recovers from random dropouts anywhere in the steam like analog... Lots of I-frames, I guess...
- baybal2 6y agoLots of I-frames means you effectively revert to a little more sophisticated version of mjpeg A cheap, and dirty hack I can think of is to dynamically adjust the bitrate for the bandwidth after FEC/channel coding. Margins will still have to be quite huge I believe.