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How to add a new audio (not mixing) into a video using ffmpeg?
https://stackoverflow.com/questions/11779490/how-to-add-a-new-audio-not-mixing-into-a-video-using-ffmpeg#:~:text=If%20the%20input%20video%20has%20multiple%20audio%20tracks,new_audio.ac3%20-map%200%20-map%201%20-codec%20copy%20output_video.avi
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)
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
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 & …
Decode audio stream channels to multiple wavs using …
https://stackoverflow.com/questions/9725273/decode-audio-stream-channels-to-multiple-wavs-using-ffmpeg
ffmpeg -i INPUT -map_channel 0.0.0 OUTPUT_CH0 -map_channel 0.0.1 OUTPUT_CH1 In your case it'll look something like: ffmpeg.exe -i teh.avi -c:a copy -map_channel 0.0.0 0.wav -map_channel 0.0.1 1.wav Assuming that the ac3 is stream 0 in the avi.
ffmpeg - How to convert video to hls with selected audio ...
https://stackoverflow.com/questions/69446738/how-to-convert-video-to-hls-with-selected-audio-streams
How to convert a video to HLS with only one selected audio stream? Most basic command: ffmpeg -i input.mkv -c copy -f hls output.m3u8 This will use the default stream selection behavior which will choose one stream per stream type. Or manually select the desired streams with -map. This example will select all video streams and optionally select audio …
How to Demux avi with multiple video streams? - VideoHelp
https://forum.videohelp.com/threads/319455-How-to-Demux-avi-with-multiple-video-streams
Code: ffmpeg -i input.avi -map 0:2 -vcodec copy -an output2.avi. "-vcodec copy" just copies the video , and "-acodec copy" copies the audio, and "-an" means disable video, "-vn" would mean disable video. In this zip file, output1 = stream0+audio1 , output2 = …
from - ffmpeg extract multiple audio streams - Code Examples
https://code-examples.net/en/q/9742c8
To extract the audio stream without re-encoding: ffmpeg -i input-video.avi -vn -acodec copy output-audio.aac -vn is no video. -acodec copy says use the same audio stream that's already in there. Read the output to see what codec it is, to set the right filename extension.
ffmpeg - video conversion with multiple audio tracks ...
https://video.stackexchange.com/questions/21734/ffmpeg-video-conversion-with-multiple-audio-tracks
FFmpeg by default only picks one video, audio and subtitle track (if they are present) from among the sources. Express map assignments are required in order to include other streams. 0:a selects all audio streams. Share. Improve this answer. Follow this answer to receive notifications.
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
ffmpeg audio/video manipulation - howto' pages
http://howto-pages.org/ffmpeg/
Several codecs are contained in the libavcodec library supplied with ffmpeg − others are provided by LAME, libgsm, XviD, AMR and libvorbis. Once the audio and video streams have been encoded by their respective codecs, this encoded data needs to be encapsulated into a single file. This file is called the container.
ffmpeg Documentation
https://ffmpeg.org/ffmpeg.html
For example, if you need to merge a media (here input.mkv) with 2 mono audio streams into one single stereo channel audio stream (and keep the video stream), you can use the following command: ffmpeg -i input.mkv -filter_complex "[0:1] [0:2] amerge" -c:a pcm_s16le -c:v copy output.mkv
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