How to add audio tracks to an MP4 video file without re-encoding ...
Jan 28, 2018 ... When adding audio to a video that was not created from the same source, there can be issues with timing; unfortunately this can be difficult to fix ...
Set The Default Audio Track In Multiple Files Without Reencoding : Useful Links
In both programs there is no requirement to re-encode either the audio or the video.
I have a few MKV files where the audio default is not English. How can I delete or switch the default audio track without re-encoding the whole video?
Lossless stream editing: Combine arbitrary tracks from multiple files (ex . add
-vn is no video.
separated by commas ("none" for no audio, "1,2,3" for multiple tracks, default: first one).
Set output file name -f, --format
I'm trying to re-encode video streams from a Matroska file to save space, while keeping all the subtitles as-is, using
... to extract the audio stream from a video, either without re-encoding (keeping the original format), or converting the resulting audio file to CBR (constant bitrate) or VBR
3 Answers · 0:v means all video streams in the input file 0 (input files are numbered from 0 ) · 0:a:2 means: input file 0 , audio stream number 2 · 0:a: ...