[linux-audio-user] Hardware recommendations for recording under kernel 2.6/Alsa

Steve Harris S.W.Harris at ecs.soton.ac.uk
Mon Aug 23 07:17:09 EDT 2004


On Mon, Aug 23, 2004 at 01:03:20 +0200, Tim Orford wrote:
> On Mon, Aug 23, 2004 at 05:42:27PM +0800, Alexander MacLennan wrote:
> > Ah, I was assuming that the I/O was analogue
> 
> yes its true that the CMI8738 is not great at analogue. But even
> there it has the advantage that it doesnt have the horrendous
> resampler that the Creative cards have.
> 
> > 
> > But for $10US for a card based on these, would the clock be very tight?
> 
> doubtful :-)
> 
> but i dont imagine they could be bad enough to prevent an spdif lock,
> and as long as your D/A has a decent pll to smooth out the jitter,
> you should be ok.

In pracice decent AD converts should be good at locking onto clocks, a
couple of years ago I sent a tarball of the linux kernel saved as a
redbook audio file over SPDIF (played on a cheap CD player) on a very
long, out of spec coax cable to my hammerfall (as a test to make sure the
cabling was OK) and it came through bit perfect.

- Steve


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