how to batch extract all ac3 streams from vob file?
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I have vob files with multiple audio inside.
I would like to extract all the audio streams from all the vob files automatically.
I have tried this :
for %%a in ("*.vob") do ffmpeg -i %%a -vn -acodec copy %%~na.ac3
but this will extract only one ac3 track from the vobs, not all of them.
So how to batch extract all ac3 streams from the vob files please?