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aac - Multiple audio tracks from one source in ffmpeg ...
https://stackoverflow.com/questions/47971401/multiple-audio-tracks-from-one-source-in-ffmpeg#:~:text=Go%20with%20the%20-map%20option%20to%20ffmpeg.%20Suppose,stream%20and%20two%20audio%20streams%20in%20the%20output%3A
How to mux two video/audio streams into one using …
https://stackoverflow.com/questions/5802333/how-to-mux-two-video-audio-streams-into-one-using-ffmpeg
Extract the audio from v1.flv and v2.flv using ffmpeg: ffmpeg -i v1.flv -vn -acodec copy v1.mp3. ffmpeg -i v2.flv -vn -acodec copy v2.mp3. Mix the audio tracks using sox, something like this (not tested): sox -M v1.mp3 v2.mp3 v3.mp3. Multiplex audio and video using ffmpeg. Try the following (also not tested):
FFMPEG convert video with multiple audio streams?
https://video.stackexchange.com/questions/12051/ffmpeg-convert-video-with-multiple-audio-streams
-c:a -> select best supported audio (transcoded) -c:a copy -> best supported audio (copied) -map 0:a -> all audio from 1st input file (transcoded) -map 0:0 -> 1st stream from 1st input file (transcoded) -map 1:a:0 -> 1st audio stream from 2nd input file (transcoded) -map 1:a:1 -c:a copy -> 2nd audio stream from 2nd input file (copied)
Using ffmpeg to mux an arbitrary number of streams from ...
https://forum.videohelp.com/threads/292927-Using-ffmpeg-to-mux-an-arbitrary-number-of-streams-from-multiple-files
ffmpeg -i a.avi -i b.avi -i c.avi will give a list of input streams and their numberings. -map has to start with the video stream, then follow it with audio streams. for each audio stream over 1, you need to input after output is set, audio parameters.. -newaudio tripp "I'll give you five dollars if you let me throw a rock at you" Quote
How to add multiple audio tracks to a single ... - Medium
https://medium.com/av-transcode/how-to-add-multiple-audio-tracks-to-a-single-video-using-ffmpeg-open-source-tool-27bff8cca30
The command for Multiple audio tracks: The below command will convert single Video file captain-marvel-trailer.mp4 to multiple language audio tracks (English, Tamil, Telugu & …
FFmpeg to the Rescue: Muxing Audio and Video Files ...
https://streaminglearningcenter.com/learning/ffmpeg-to-the-rescue-muxing-audio-and-video-files.html
Mux the H.264-encoded video and newly AAC-encoded audio into a single file; I tried the following command string which worked the first time. ffmpeg -i video.mp4 -i audio.mp3 -c:v copy -c:a aac muxed.mp4. To explain, after designating the two input files, the script copies the existing video file as-is (c:v copy), converts the MP3 audio to aac (c:a aac), and muxes the …
#4734 (Muxing Multiple Programs with FFmpeg) – FFmpeg
https://trac.ffmpeg.org/ticket/4734
I am trying to mux multiple programs with FFmpeg, but all video & audio streams are muxed under a single program: ... video:2124kB audio:35kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 320.225586% [libx264 @ …
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