[MPlayer-users] playing multiple audio tracks simultanously

[Ivan Kowalenko]

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On Nov 30, 2006, at 08.10, Fabio Barbon wrote:

> Hi, is it possible to route one dvd audio track to one audio card  
> and a
> second audio track to another audio card simultaneously?

Officially? No.

> (I'd like to watch multi-language movies with a friend that can only
> understand english, while I can only understand italian. I'd like  
> not to use
> subtitles. Instead, we'd use two headphones connected to two  
> different sound
> cards on the same linux laptop)

I have a possible solution. Try to start two simultaneous instances  
of MPlayer, one playing the video an an English soundtrack, and  
another with no video output -vo null or something, playing the audio  
soundtrack. Now, I'm not totally sure how to configure output for two  
separate cards, but it could be theoretically possible to use a  
surround sound audio card, and output one sound track to one set of  
channels, and the other sound track to the other set of channels.  
Just hook up headphones.
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