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Replacing video audio using ffmpeg - Ochre
https://ochremusic.com/2016/07/05/replacing-video-audio-using-ffmpeg/#:~:text=Firstly%2C%20if%20you%27d%20like%20to%20strip%20the%20audio,file%20you%20wish%20to%20strip%20the%20audio%20from.
How to replace a video's audio with FFMPEG - Flying Sound
https://flyingsound.net/about/articles/replace-video-audio-ffmpeg/
The short answer is install FFMPEG and use this command: ffmpeg -i source_video.mp4 -i source_audio.wav -acodec copy -vcodec copy -map 0:v:0 -map 1:a:0 final_video.mov. Now lets break it down. MacOS. FFMPEG is a a terminal program, so you’ll need to go to the Utillities folder inside of the applications folder and install homebrew. Then:
ffmpeg - replace audio in video - Super User
https://superuser.com/questions/1137612/ffmpeg-replace-audio-in-video
You will want to copy the video stream without re-encoding to save a lot of time but re-encoding the audio might help to prevent incompatibilities: ffmpeg -i v.mp4 -i a.wav -c:v copy -map 0:v:0 -map 1:a:0 new.mp4. -map 0:v:0 maps the first (index 0) video stream from the input to the first (index 0) video stream in the output. -map 1:a:0 maps the second (index 1) audio stream from …
Replacing video audio using ffmpeg - Ochre
https://ochremusic.com/2016/07/05/replacing-video-audio-using-ffmpeg/
Firstly, if you'd like to strip the audio from a video file, you can use this command: ffmpeg -i INPUT.mp4 -codec copy -an OUTPUT.mp4. Specifying the INPUT and OUTPUT files accordingly, with file extension (needless to say, it doesn't have to be .mp4). -i precedes the file you wish to strip the audio from.
ffmpeg, replace part of audio in mp4 video file - Stack ...
https://stackoverflow.com/questions/32988106/ffmpeg-replace-part-of-audio-in-mp4-video-file
I want to replace part of the audio in one mp4 file with part of another mp3 file using ffmpeg. this is what I'm trying to do: ffmpeg -i 2009.mp4 -i birds.mp3 -filter_complex "[0:a]atrim=end=45,a...
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