[mythtv-users] SPDIF howto? C-Media card

[Josh]

On Feb 7, 2008 9:38 AM, Mark Hutchinson <mark at onnow.net> wrote:

> That article got it working.  The card is around $100 which is cheap for
> SPDIF and seems to work well.I am running CentOS 5.1 with plus kernel to
> enable firewire.
>
> On 7-Feb-08, at 7:09 AM, Josh wrote:
>
> On Feb 7, 2008 2:00 AM, Big Wave Dave <bigwavedave at gmail.com> wrote:
>
> > On Feb 6, 2008 10:58 PM, Big Wave Dave <bigwavedave at gmail.com> wrote:
> > > On Feb 6, 2008 4:43 PM, Mark Hutchinson <mark at onnow.net> wrote:
> > > > Beating my head against the wall here.
> > > > C-Media based card with SPDIF out.
> > > > Just wanting to get this working.
> > > >
> > > > In Mythfrontend, audio setup, what is my device?
> > > >
> > > > Here is some output.  I am not sure how to test it from command
> > line.
> > > > I have the SPDIF connected to some speakers with the optical, but
> > cant
> > > > get any sound out.
> > > >
> > > > aplay -L
> > > >
> > > > 00-02: CMI8738-MC8 : C-Media PCI IEC958 : playback 1 : capture 1
> > > > 00-01: CMI8738-MC8 : C-Media PCI 2nd DAC : playback 1
> > > > 00-00: CMI8738-MC8 : C-Media PCI DAC/ADC : playback 1 : capture 1
> > > > [root at markmythhd ~]# aplay -L
> > > > default:CARD=CMI8738MC8
> > > >      C-Media PCI CMI8738-MC8, C-Media PCI IEC958
> > > >      Default Audio Device
> > > > front:CARD=CMI8738MC8,DEV=0
> > > >      C-Media PCI CMI8738-MC8, C-Media PCI DAC/ADC
> > > >      Front speakers
> > > > iec958:CARD=CMI8738MC8,DEV=0
> > > >      C-Media PCI CMI8738-MC8, C-Media PCI DAC/ADC
> > > >      IEC958 (S/PDIF) Digital Audio Output
> > > > null
> > > >      Discard all samples (playback) or generate zero samples
> > (capture)
> > > >
> > > I would recommend looking at:
> > >
> > http://www.mythtv.org/wiki/index.php/Configuring_Digital_Sound_with_AC3_and_SPDIF
> > > and
> > > http://www.mythtv.org/wiki/index.php/Configuring_Digital_Sound
> > >
> > > Dave
> > >
> > > ----------------------------------------------
> > > http://www.techsneeze.com
> > >
> >
> > Also....
> > http://www.mythtv.org/wiki/index.php/Asoundrc_CMI8738-MC6
> >
> > Best of luck!
> >
> > Dave
> > _______________________________________________
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> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
>
>
> Those articles are good reference... check them out. What distro are you
> running?
>
> I recently upgraded one of my frontends to Fedora 8 and I had to
> completely remove PulseAudio so I could get my C-Media SPDIF out to work.
>
> Josh
>
>
>
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>
A similar C-Media chip is in the Turtle Beach Riviera. It provides Optical
SPDIF out and it's ~$30 at Fry's. Glad to hear you got it working!

Josh
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