Subject: [linux-audio-user] Re: [Ardour-users] Re: [Alsa-devel] usb audio sound quality
From: Jesse Chappell (jesse_AT_essej.net)
Date: Sat Nov 09 2002 - 00:11:58 EET
Patrick Shirkey wrote on Sat, 09-Nov-2002:
> Jesse Chappell wrote:
>
> > What is the nature of the quality degradation? I assume that
> > no xruns are occurring in all cases... you are sensing
> > degradation that occurs with no obvious suspect?
> >
>
> Yes no xruns. It seems to be directly related to the amount of available
> physical memory. I have been talking with AthlonRob about how the Linux
> memory management works and it seems that the kernel will cache almost
> all the available memory up to between 10 and 4 MB before it starts
> swapping.
I guess my real question is: exactly what is happening to the sound
(in your qualitative estimation) when it is degraded?
jlc
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