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FAQ different types content - Avisynth wiki
http://avisynth.nl/index.php/FAQ_different_types_content#:~:text=Don%27t%20change%20the%20framerate%20and%20the%20number%20of,again%20when%20muxing%20your%20encoded%20video%20and%20audio.
Audio goes out of sync with avisynth+ tfm script - VideoHelp
https://forum.videohelp.com/threads/398625-Audio-goes-out-of-sync-with-avisynth-tfm-script
Audio goes out of sync with avisynth+ tfm script. The filters work pretty good on the video but the audio goes out of sync. After the filters have done the work obviously the video's actually shorter than it was by a long way so the audio ends up overrunning it.
Avisynth+ QTGMC audio out of sync - digitalFAQ Forum
http://www.digitalfaq.com/forum/video-restore/10577-avisynth-qtgmc-audio.html
The issue is that audio is out of sync. In the beginning it's not very noticeable but closer to the end audio is ahead by a few seconds. No such issue on the source file or when souce file is encoded without avisynth. I tried to figure out the reason and I found that Media Player Classic provides this info on the source file (Ctrl + G):
FAQ different types content - Avisynth wiki
http://avisynth.nl/index.php/FAQ_different_types_content
The most common ones are: 1) Your source is already out of sync (thus before any AviSynth processing or any encoding). It's a pain to correct... 2) The audio has a constant delay, and you forgot to add the delay (either in AviSynth if you imported the audio in... 3) The audio has a variable delay ...
AssumeSampleRate - Avisynth wiki
http://avisynth.nl/index.php/AssumeSampleRate
AviSource("video_audio.avi") # Let's say that this clip loses audio sync: # by the end, the audio is behind by 200 milliseconds. Ar = AudioRate # original audio sample rate dur = AudioDuration # total duration in seconds adj = -0.200 # correction needed (decrease audio duration by 200 msec) # Adjust audio duration: AssumeSampleRate ( Round (dur / (dur+adj) * Ar)) # Video and audio …
Audio out of sync (Page 1) — Using SVP — SmoothVideo Project
https://www.svp-team.com/forum/viewtopic.php?id=2457
No. On doom9 forums as well as this thread itself and many more threads in this forum reporting audio out of sync where resources arnt the issue. How could very specific ffdshow buffer ahead cause audio desync when one value above or below doesn't... if its not some issue between ffdshow and avisynth...
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