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Syncing audio to video of a grabbed VHS video - engon
https://www.engon.de/audio/vhs_en.htm#:~:text=%20How%20to%20sync%20audio%20and%20video%20%28repair,time%20with%20other%20audio%20software.%20%20More%20
The Matter of VirtualDub Out of Sync Audio - VideoHelp Forum
https://forum.videohelp.com/threads/400602-The-Matter-of-VirtualDub-Out-of-Sync-Audio
All you have to do is sync your audio (as you have done) then put both the video and audio to Direct Stream Copy, then Save As AVI. Virtual Dub will re-multiplex (ie combine) your video and audio streams with the audio offset you have put in, without actually re-encoding/re-rendering your streams. All you are in effect doing is shuffling the audio along a bit; the relative …
AVI timing and audio sync - virtualdub.org
https://www.virtualdub.org/blog2/entry_027.html
As usual, any and all corrections are welcome. AVI streams, both audio and video, are composed of a series of samples which are evenly spaced in time. For a video stream, a stream sample is a video frame, and the stream rate is the frame rate; for an audio stream, a stream sample is an audio block, which for PCM is equivalent to an audio sample.
How to fix audio-video VHS sync in VirtualDub ...
http://www.digitalfaq.com/forum/video-capture/11160-how-fix-audio.html
The sync issue is caused by the unstable video signal, (frames are dropped) removing the audio in any way won't change that. capturing the audio forms no problem for a poor setup, using an internal SSD drive will help only if data throughput is the real problem like said, a throughput device could help, a near lossless capture codec could also help with data …
VirtualDub documentation: Capture - virtualdub.org
https://www.virtualdub.org/docs_capture
Timing correction is disabled, so audio on long captures may be out of sync. The capture file will be invalid if it exceeds 2GB. Only one capture file is allowed -- no multisegment captures. VirtualDub won't be able to display the compressed video frame size. Video filtering options that change the size of the frame aren't allowed.
Filtering VHS recordings in Virtualdub - engon
https://www.engon.de/audio/vhs4_en.htm
Virtualdub > Audio > Audio from other file...: Then select the corrected audio track you have stored. Before saving, you should test the result. Select different positions of your movie and check for whether the corrected audio track is in sync with the running video. Is everything okay, you can re-render the video.
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