Take the 2-minute tour ×  What I want as result: a video with
the English stream on the front lineout of my soundcard and a
German audio stream on the rear lineout of my soundcard.  So
far, I extracted the streams with:  mkvextract tracks video.mkv
1:video.h264 2:audio.ac3  ...to get the single streams from an
.mkv.  Is there a way to merge the two audio streams to the
video the way I want to have it?  share|improve this question
add comment  1 Answer  That depends on your video file format
and possibly if you have a surround encoder. Some file formats
provide multiple audio channels that can be configured for
different speakers, others rely on a Dolby encoding or similar
to provide the speaker information in one audio stream.  Either
use a file format that supports multiple independent audio
tracks per speaker or use a Dolby (or some other system like
MPEG Surround) surround encoder to encode the audio in to a
single Dolby (or similar) stream that can be processed by a
Dolby (or similar) receiver.  The encod