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FFmpeg recipe : combine separate audio and video - LinuxPip
https://linuxpip.org/ffmpeg-combine-audio-video/#:~:text=The%20example%20will%20replace%20the%20audio%20in%20video.mp4,%28INPUT_FILE.mp4%29%2C%20then%20select%20the%20first%20%280%29%20video%20stream.
ffmpeg - replace audio in video - Super User
https://superuser.com/questions/1137612/ffmpeg-replace-audio-in-video
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 the input to the first (index 0) audio stream in the output. If the audio is longer than the video, you will want to add -shortest before the output file name.
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:
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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