ffmpeg -i movie.mp4 -i english_track.ac3 -c:v copy -c:a aac -map 0:v:0 -map 1:a:0 -async 1 -shortest output_synced.mp4 (This command remuxes the video with your new audio and forces sync.) Once you have your downloaded (and possibly synced) English audio track, you need to combine it with your video file. This process is called "muxing," and it does not re-encode the video (no quality loss).
Bookmark the phrase [Movie Name] DTS English Audio and search it on Soulseek. Community sharing remains the fastest, most reliable method. Where To Download English Audio Track For Movies
You don’t need to re-download the entire 50GB file. You need the . ffmpeg -i movie
When downloading a track, the filename will look like this: Avatar.2009.1080p.BluRay.x264-DIMENSION.English.DTS Where To Download English Audio Track For Movies