#8443: A/V drift when reencoding NTSC
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Reporter: | Owner:
madscientist159 |
Type: defect | Status: new
Priority: normal | Component:
| undetermined
Version: unspecified | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by madscientist159):
Regarding just watching it, it's really hard to tell. The perceptual
limits on the human visual system are often quoted as ~40ms advanced,
~100ms retarded (audio against video) so this is not a reliable way to
detect A/V sync issues until they are quite severe. In fact I am
attempting to debug a pipeline where the vendor did exactly this, relied
on visible desync with predictably bad results with long-running streams.
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Ticket URL: <https://trac.ffmpeg.org/ticket/8443#comment:7>
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