[LAD] A little quiz about audio measurements...
fons at kokkinizita.net
fons at kokkinizita.net
Fri May 28 14:24:37 UTC 2010
On Fri, May 28, 2010 at 04:09:42PM +0200, Olivier Guilyardi wrote:
> > <http://www.kokkinizita.net/linuxaudio/quiz.html>
>
> Well, it looks to me like this is caused by the fact that the audio cards clocks
> are not in sync. When you loopback card A with itself, both input and output are
> sampled with the same clock. But when you plug the output of card A into card X,
> you're dealing with two clocks which are not synchronized, and that result into
> these "artefacts". If I'm right then you should observe some /similar/ issues
> when repeating the experience with the cards inverted.
The clocks don't matter, as the connection is via an analog signal.
(sorry, no beer !)
Ciao,
--
FA
O tu, che porte, correndo si ?
E guerra e morte !
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