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Digital Audio Connections and Synchronization - PreSonus
https://www.presonus.com/learn/technical-articles/Digital-Audio-Connections-and-Synchronization#:~:text=%E2%80%9CSample%20Multiplexing%E2%80%9D%20or%20S%2FMUX%20is%20used%20to%20transmit,audio%20channels%20to%20represent%20a%20single%20higher-bandwidth%20channel.
Stretch, Sync and Mux audio to video - VideoHelp Forum
https://forum.videohelp.com/threads/371987-Stretch-Sync-and-Mux-audio-to-video
Once again you'd probably need to apply some sort of audio delay when muxing to put the audio in sync. Either a positive or negative dealy that moves the audio back.forward by a fixed amount. MKVMergeGUI can do that. There's absolutely no …
android - How to mux (merge) video&audio, so that the ...
https://stackoverflow.com/questions/54769976/how-to-mux-merge-videoaudio-so-that-the-audio-will-loop-in-the-output-video
I wanted to mux the audio multiple times, so that it will be added to the end, till the video ends. In any case, it didn't work, and even if it did, I couldn't know how to make it sync with the video at the right time, so that it will end together with the video (because what I did isn't time based, but buffer based instead). Please, if you ...
Mux & sync audio from different sources - VideoHelp Forum
https://forum.videohelp.com/threads/300045-Mux-sync-audio-from-different-sources
I have a Movie in both VHS in PAL format with English dubbed audio, & a DVD in NTSC with Italian Audio with NO Subs. I want to capture the VHS tape with my usual methods & demux the audio and split the DVD and re-author it with the English audio. Will it be possible to acceptably sync the audio from these 2 very different sources?
Help - Sync separate audio track with mkv file - Original ...
https://originaltrilogy.com/topic/Help-Sync-separate-audio-track-with-mkv-file/id/76289
Load the same video and audio streams. If your remixed video has the sound before the actual time (ex. you hear spoken words before the lips move), then in the muxing software select the audio stream and apply a value in the delay box. Start off with a value of 100. This will nudge the audio stream forward.
How do I fix the audio sync on an AAC MP4? : ffmpeg
https://www.reddit.com/r/ffmpeg/comments/enyyj9/how_do_i_fix_the_audio_sync_on_an_aac_mp4/
In this case, I am trying to adjust the audio +0.2 seconds, or +9600S. #!/usr/bin/env bash # to install tool on OSX: # brew tap homebrew-ffmpeg/ffmpeg # brew install homebrew-ffmpeg/ffmpeg/ffmpeg --with-fdk-aac mkdir -p old for f in *.mp4 do filename=$ (basename -- "$f") filename="$ {f%.*}" echo "Processing $f file..."
Why, o why the Audio sync problem - iLounge Forums
https://forums.ilounge.com/threads/why-o-why-the-audio-sync-problem.192621/
You can use Yamb to extract and mux the streams (freeware). 1. Open your video in the Extract tab and demux the audio track: 2. Convert the mp3 to wav (Don't be tempted to convert it to aac directly). You can use iTunes for this …
MKV Muxing Audio Out-of-Sync with Video | AfterDawn ...
https://forums.afterdawn.com/threads/mkv-muxing-audio-out-of-sync-with-video.647487/
Finally, is there any way to natively "correct" the audio stream to sync up with the video? In other words, to make it so that if I mux the audio with the video, and then de-mux, and re-mux without "stretching it" using mkvmerge, it will still be in sync? Any input on my questions would be greatly appreciated.
ffmpeg - How can I mux video and audio from separate ...
https://video.stackexchange.com/questions/22303/how-can-i-mux-video-and-audio-from-separate-sources-thatre-at-different-frame-r
1 I'm having trouble muxing the video from one source with the audio from another because the audio drifts over time. As I mentioned in the title, the sources are at different frame rates, the video's source is at 23.976, and the audio's source is at 29.97. Maybe my current code will help to better understand the situation:
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