[linux-audio-user] Just how bad is USB audio?

[Daniel James]

> If you have a minute, could you please check the level of cpu usage while 
> using your quattro? Fex. when playing a cd, or better yet some 4-channel 
> stream, which is uncompressed so that almost the cpu activity will be due to 
> the usb bus activity. If it's negligible on your system, it should be so on 
> mine too. 

I'd also be interested in knowing the figures. Are you using all four channels 
of audio in and out simultaneously, m?

Cheers

Daniel