[FFmpeg-user] Extracting multiple audio stream into one file

[loeffler at eyetrap.net]

>
> That would have been too obvious, if I had just looked closely enough.
> "-map 0:a" or "-dn" are obvious fixes for that.

Brilliant, that solved it:

ffmpeg -i '/storage/orig_qt/SUB_01_INGEST.mov' -map 0:a -acodec: copy  
-vn '/storage/orig_qt/SUB_01_INGEST.mkv'

I ended up using .mkv because .wav did not preserve 2 streams and the  
'-dn' option did not make a difference

Thanks a lot
Markus