[mythtv-users] Digital Audio with myth

[Nick]

On 25/11/05, Phill Edwards <philledwards at gmail.com> wrote:
> > Are there any gotchas that I need to be aware of
> > when I try to put together a frontend to employ
> > digital audio (5.1, 7.1).  I know most tv content is
> > only 5.1, but having never tried to use anything more
> > than stereo from a computer I'm not sure what I don't
> > know.
> >
> > My receiver has coax and optical inputs.  I'm looking at
> > a new Asus MB and most contain Realtek ALC850 8 channel
> > audio systems.  If needed, I could also consider a
> > audio card that may have better driver support.  What
> > cards/chips are other having good success with?
> >
> > Any tips would be greatly appreciated.
>
> I installed a S/PDIF output onto my motherboard which works a treat.
> The only catch was that I can't use the Myth volume controls now -
> pressing vol +/- on the remote has no effect. I have to use the
> receiver's remote to change volume now. But that's a very minor catch.

That's because the S/PDIF is outputting a digital stream which the
receiver decodes and is responsible for amplifying. I don't think it's
possible to dynamically adjust a digital audio stream before it hits
the amp.

Nick