[mythtv-users] surround sound to stereo output?

[Richard Woelk]

Allen Edwards wrote:
>
>
> On Thu, Apr 23, 2009 at 6:42 PM, Josh White <jaw1959 at gmail.com 
> <mailto:jaw1959 at gmail.com>> wrote:
>
>
>         [snip]
>
>      
>
>
>         If you haven't already, try launching alsamixer
>         from a terminal and see if there is a 'stereo' or '5.1' or '7.1'
>         option that you can toggle. The front L+R channels would
>         normally be
>         the same channels used for stereo mode so you shouldn't need
>         to move
>         your plug. Report back if this is your fix.
>         --
>         ~pAul.
>
>
>     [snip]
>
>     I've tried this in the past, and just to be sure, I just tried it
>     again.  There doesn't seem to be a way to toggle this setting from
>     within ALSAMIXERGUI, Gnome Mixer, or the CLI version of
>     alsamixer.  I would assume that at some level, there is a text
>     file or two that I can edit to change this setting, but the
>     googles have done nothing to help me, and I'm not sure where to
>     look next.  I apreciate the help, but I'm afraid I've gotten no
>     further.  If there isn't a universal fix to this problem, I'd be
>     happy if I could at least make this work from within Myth; is such
>     a thing possible?  Unfortunately, the vast majority of sound
>     problems I've seen discussed on this list and other areas concern
>     the exact opposite of what I'm trying to do, but the reverse of
>     the solutions I've seen so far do not help me.  What can I do next?
>
>     Thanks,
>
>     Josh
>
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>
>
>
> I think you can set up a decode matrix in asound.conf that will do 
> what you want.  Take a look at some of the examples in the default file.
>
> Allen
>
>   
Josh,
    To set mythtv to 2 channels: In the frontend, go to Utilities/Setup, 
Settings, General, then about 3 pages in is "Max Audio Channels" Change 
that to "Stereo" and myth should downmix AC3 and DTS properly for you.

- Richard

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