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Date: Fri, 15 Jun 2012 12:07:52 -0700
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Subject: Re: No surround sound with Creative SB Live! card
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On 06/15/2012 01:06 AM, David Demelier wrote:
> That's what mplayer says:
>
> ========================================================================== 
>
> Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
> AUDIO: 48000 Hz, 6 ch, s16le, 448.0 kbit/9.72% (ratio: 56000->576000)
> Selected audio codec: [ffac3] afm: ffmpeg (FFmpeg AC-3)
> ========================================================================== 
>
> AO: [oss] 48000Hz 6ch s16le (2 bytes per sample)
>
> What do you mean by "a decoder is needed"? 

     A decorder is either a special plugin/codex that gets  installed 
into the OS ( codex called a52dec)  and decoding happens internally.
     or a  hardware device like a stereo receiver that is able to 
understand  Dolby Digital signals from the DVD through S/PDIF connector 
from  the sound card to decorder.
     however, it only appears you are only missing a52dec?  Have you 
installed a52dec from ports/audio/gstreamer-plugins-a52dec/ ?