Subject: Re: [linux-audio-user] Poor SN ratio with high quality sound cards
From: Mark Williams (MWP) ("Mark)
Date: Thu Mar 25 2004 - 08:39:49 EET
> On Wed, 2004-03-24 at 08:20, Mark Williams (MWP) wrote:
> > Really the only thing you can do is invest in a good quality external DAC and
> > run a SPDIF (optical preferably for ground isolation) signal to it.
> >
> > It seems a lot of high quality soundcards now are quoting the S/N and other
> > stats of those of the DACs used on the card, not by measurment of what actually
> > comes out of the back of the card.
> >
> > The main problem is the power supply in the PC.
> > Its just far too noisy to be able to produce good quality audio.
>
> Would using a good-quality power supply make a difference? Something
> like this:
>
> http://www.zalman.co.kr/english/product/zm400b-aps.htm
No it wont.
Its not the power supply itself, its the noise that hardware on the powersupply
creates.
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