[vdr] Re: Trouble with optical SPDIF out on Abit NF7 nforce2main board.

[Carsten Koch <Carsten.Koch@icem.com>]

Rene Bartsch wrote:
> Am Don, 2003-08-28 um 09.44 schrieb Carsten Koch:
>
> > My VDR PC main board broke last Sunday, so I bought an Abit NF7 main board,
> > which is nforce2-based and has LAN and an optical SPDIF out on board -
> > perfect for VDR, I thought.
> >
> > Analog sound is working fine and light is coming out of the SPDIF output,
> > my receiver also indicates that it detects the carrier, but I hear no
> > sound at all.
> >
> > Alsamixer only displays 3 IEC958-related settings, I tried all
> > possible combinations of these 3.
> > Do I also have to play with controls like "3D Control" or "Surround"?
> >
> > I am running SuSE 8.2 with the SuSE 2.4.20 kernel.
> >
> > I updated from the Alsa drivers that came with the SuSE system to the
> > latest 0.9.6 from ftp.alsa-project.org, but that did not help.
> >
> > Has anyone out here successfully got SPDIF out to work on an nforce2
> > main board?
> >
> > Any hints what I could try next?
>
> Have you unmuted the mixers?
I have muted/unmuted every single switch that alsamixer provides.
No success at all. :-(

I was worried that I am wasting my time on a broken SPDIF output,
so I loaded nvidia's OSS driver (nvaudio) instead of the Alsa driver.
With the nvidia driver I am getting sound out of the SPDIF output
right away, but it has no "loop" switch to route the DVB card sound
from the on-board electrical SPDIF in to the optical SPDIF out.
So I can play back PCM sound now, but still no DVB sound.
Also, the nvidia driver supports only one sample rate (48kHz).


Carsten.



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