[linux-audio-user] Re: [Ardour-users] Re: [Alsa-devel] usb audio sound quality

[Jesse Chappell]

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