[LAD] A little quiz about audio measurements...

[fons at kokkinizita.net]

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 !