Re: [Alsa-user] AC3 output on NForce2 problem (was: Followup on ALC650 spdif capture problem)

[Hamish M. <ha...@cl...>]

On Fri, Jul 23, 2004 at 09:03:12PM +0200, Dominique Dumont wrote:
> Dominique Dumont <dom...@fr...> writes:
> > I've noticed that ALC650 is powered by 3.3V. Which explains the 1.6
> > average voltage I got on the SPDIF output: The signal is swinging
> > between 0 and 3.3V. If the input is expecting 0-5V, this may explain
> > the spdif errors.
> >
> > Anyway, I suggest that I solve the hardware problem and contact you
> > when I get a clean capture from the ALC650 input. 
> 
> Done. The nforce internal spdif capture requires a TTL level signal,
> not a 3.3V signal. I've added an amplifier based on a 74HCU04.

[....]

I'm using optical output to a Sony A/V receiver. AC3 isn't working (no
sound), but DTS and PCM do. ALC655 with nForce2 (GA 7N400Pro2
motherboard.)

Hamish
-- 
Hamish Moffatt VK3SB <ha...@de...> <ha...@cl...>