[mythtv-users] Digital audio issues

[Richard Shaw]

On Feb 16, 2008 11:27 AM, Michael T. Dean <mtdean at thirdcontact.com> wrote:

> On 02/13/2008 01:07 AM, Justin wrote:
> > I have my mythbox (using the latest SVN) connected to my mixer via a
> > digital optical cable.  I have an asoundrc file created according to the
> > documentation found here:
> > http://mythtv.org/wiki/index.php/Configuring_Digital_Sound
> >
> > I am using the mixed-digital.
> >
> > I also have AC3 and DTS to SPDIF passthrough enabled.
> >
> > Sound works fine for livetv, recordings, and mythmusic.  However there
> > is a quirk in mythvideo.  I have some ISO movies, when I watch them the
> > sound is fine unless I try to fast forward, pause, or rewind.  As soon
> > as I unpause or finish fast forwarding or rewinding I get digital
> > noise.  In order to restore the sound I have to go back to the main menu
> > and restart the dvd.
> > Does anyone know what might cause this?
>
> You've set the Internal player to use AC-3/DTS passthrough and you've
> set the passthrough device to default or ALSA:mixed-digital, which won't
> work.  You need to change the passthrough device to something else (i.e.
> ALSA:digital may work (depending on your particular sound card), if not,
> use ALSA:iec958 --do not use the one in the combobox that says,
> "ALSA:iec958:{ AES0 0x02 }", as it's different (and a broken
> configuration)).
>
> Mike
>

Strange, I have mine set with the {AES0 0x02} and it still works fine. Mine
is a nForce3 chipset...

Richard
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