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DelayAudio - Avisynth wiki
http://avisynth.nl/index.php/DelayAudio
DelayAudio - Avisynth wiki DelayAudio DelayAudio (clip, float seconds) DelayAudio delays the audio track by seconds seconds. seconds can be negative and/or have a fractional part. Example: # plays audio half a second earlier DelayAudio (-0.5)
how can I fix audio delay with avisynth ...
https://www.animemusicvideos.org/forum/viewtopic.php?t=104309
You should try to avoid loading audio in avisynth, especially if lossy (ac3 is). Just, when you mux the audio with the video, remember to set the delay correctly again. As for framerate, it does not matter.
FAQ different types content - Avisynth wiki
http://avisynth.nl/index.php/FAQ_different_types_content
Assuming that you processed your video and or audio with AviSynth, there can be several reasons why your final encoding is not in sync (synchronization). 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 this, but that's not the scope of this FAQ.
never mind, fixed audio sync problem in avisynth ...
https://forum.videohelp.com/threads/320918-never-mind-fixed-audio-sync-problem-in-avisynth
Have a retail dvd that's 29.97 progressive, with the 4th frame repeated (telecined, I guess). Plays kind of oddly, would it look better on older CRT TV versus LCD TV? Anyway, was converting it to 23.976, but the audio isn't synced. I've converted this type before without issues. Here's my script, and a sample of original movie. What am I doing ...
Using AviSynth 2.5 (page 7/15): Cutting and Joining ...
https://www.afterdawn.com/guides/archive/using_avisynth_page_7.cfm
Pad audio to match any delay in the original Trim creates a new clip containing the range of frames you enter. Since there are situations where the number of frames in a file is unknown by the script author, Trim allows you to use 0 for the last_frame argument to specify the last frame of the file.
Audio delay - Doom9's Forum
https://forum.doom9.org/showthread.php?t=55301
Audio delay MPEG-2 Encoding. Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD conversion.. Before you start posting please read the forum rules.By posting to this forum you agree to abide by the rules.
FFmpegSource - Avisynth wiki
http://avisynth.nl/index.php/FFmpegSource
Controls how audio delay is handled, i.e. what happens if the first audio sample in the file doesn't have a timestamp of zero. The following arguments are valid: -3: No adjustment is made; the first decodable audio sample becomes the first sample in the output.
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