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ffmpeg add two audio streams to video - Super User
https://superuser.com/questions/508331/ffmpeg-add-two-audio-streams-to-video#:~:text=ffmpeg%20-i%20%2Fsdcard%2Fvideo%2Ftranscode%2Fvideo.avi%20-map%200%3A0%2C0%20-i%20%2Fsdcard%2Fvideo%2Ftranscode%2Ffirst.mp3%20-map,mappings%20should%20match%20the%20number%20of%20output%20streams.
ffmpeg add two audio streams to video - Super User
https://superuser.com/questions/508331/ffmpeg-add-two-audio-streams-to-video
ffmpeg -i input_with_first_audio_stream.avi -i second.mp3 -acodec copy -vcodec copy output_two_audio_streams.avi -newaudio works with both versions of ffmpeg that I use, but the first audio stream is played too fast (x10 or more), while the …
How to add multiple audio tracks to a single video using ...
https://medium.com/av-transcode/how-to-add-multiple-audio-tracks-to-a-single-video-using-ffmpeg-open-source-tool-27bff8cca30
FFmpeg is a free and open-source project consisting of powerful audio and video converter software suite of libraries and programs for handling video, audio, and other multimedia files and streams.
FFMPEG: Add additional audio track to video file - Stack ...
https://stackoverflow.com/questions/34090569/ffmpeg-add-additional-audio-track-to-video-file
It is important to note that FFmpeg cannot add to a file, it has to create a new file with the streams, settings and metadata all in one shot. Which makes it a good program to solve problems were the creation of a new file isn't an issue. ffmpeg -i FILE1 \ -i FILE2 \ -map 1:2 -map 1:0 -map 1:1 -map 0:0 -map 0:1 -map 1:3 -map 1:4 \ -c copy ...
FFMPEG convert video with multiple audio streams?
https://video.stackexchange.com/questions/12051/ffmpeg-convert-video-with-multiple-audio-streams
Ok so I have a video made from dxtory. The video is using dxtory video codec and unknown audio codec. When I pop the file into avimux, I can clearly see two audio tracks/sources. I have successfully converted the video without loss of quality with the following. ffmpeg -i "The Bunker.avi" -vcodec h264 TheBunkerMix.mp4
Combine Two Mono To Stereo Ffmpeg [OBM1WN]
https://yamaiho.add.to.it/Ffmpeg_Combine_Two_Mono_To_Stereo.html
-codecs # list codecs -c:v # video codec (-vcodec) - 'copy' to copy stream -c:a ffmpeg -i video. In order to avoid disk usage (the two wav6 32bit can be really big) I can propose another method using BeHappy (pipe mode) to encode the three wav (lFlR, CLFE and sLsR) to ac3 with the free encoder ffmpeg (equivalent to ac3enc).
How to Remove Audio from Video using FFmpeg. Bonus: Add ...
https://ottverse.com/add-remove-extract-audio-from-video-using-ffmpeg/
How to Remove a Specific Audio Track using FFmpeg. For removing a specific audio track using FFmpeg, you can always use the map command. The general syntax of the map command is -map input_file_index:stream_type_specifier:stream_index. So, you could select the 2nd audio track of the video by saying -map 0:a:1 because the numbering starts at 0.
Add sound tracks to a video file with FFmpeg — zoid.cc
http://zoid.cc/12/12/ffmpeg-audio-video/
Add sound tracks to a video file with FFmpeg December 2, 2012. Short tutorial how to extract & merge audio tracks from/to video files with FFmpeg. Extracting audio track(s) from video file. Say, we have a video file and we need to extract specific audio track from it. First, let's see which audio tracks we have in this file. Run the following ...
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