[mythtv-users] Hardware vs. Software audio decoding (AC3/DTS)
Kevin Kuphal
kuphal at dls.net
Fri Oct 20 14:15:30 UTC 2006
Alan Marchiori wrote:
> I am in the process of designing my frontend system. My first
> instinct was to send all audio out thru SPDIF to my receiver to be
> decoded. But then I got to thinking that many motherboards now have
> 6+ channel outputs, and there are many cheap PCI sound cards as well.
> Considering the problems I have read about getting SPDIF passthru to
> work properly; would it be easier to just use the 6 ch analog outputs
> straight into a 5/7 ch amp? As an added bonus there is no receiver to
> mess with which might reduce the cost of my final setup.
>
> So how is the software decoding of AC3/DTS? Does it compare well to a
> good quality AV receiver?
I don't know about anyone else but I've never had problems with AC3
output. I use a Turtle Beach Riviera card (or the equivalent AOpen
Cobra SFF card) and I just enabled the SPDIF port in alsamixer, set Myth
to AC3 passthrough and all my audio, 2 or 5/7 channels, comes to my
receiver in glorious sound. I would strongly recommend just getting the
$30 Riviera from newegg and enjoying it.
Kevin
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