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Date: Thu, 14 Jun 2012 20:43:26 -0700
From: Edward M <eam1edward@gmail.com>
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Subject: Re: No surround sound with Creative SB Live! card
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On 06/14/2012 09:03 AM, David Demelier wrote:
> I have an old SB Live! card with a 5.1 speaker set, but i can't get 
> sound from center and rear speakers with mplayer.
>
> I'm using the snd_emu10kx driver and when I try to play a DVD I get 
> sound only through the front speakers (and LFE) like a 2.1
>
> Adding -channels 6 to the mplayer args does not help.
>
> Cheers, 

   Sounds like the DVD  surround audio is  encoded in AC-3 Dolby Digital 
or DTS. So a decorder is needed.