On 05/28/2010 02:31 PM, fons@email-addr-hidden wrote:
> Hello all,
>
> This week I had to perform measurements on a audio
> interface, and this resulted in some quite interesting
> results. Before revealing what happened, I'll let you
> have a look at some of the data and come up with your
> own conclusions, see
>
> <http://www.kokkinizita.net/linuxaudio/quiz.html>
>
> (Free beer at the next LAC for the best analysis)
>
> Ciao,
>
You can't trust a loop back test.
Any instability or dither on the reference clock of card A (fifo clocking say) is not going to show in a loop back test.
Vrnc
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Received on Fri May 28 20:15:10 2010
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