Using a powered USB hub should definitely solve the problem (if that 
is the problem).

Try looking at the CPU usage while using the USB speaker to see if 
something changes to not have enough CPU cycles to process the sound.

Doug


At 5/14/2011 12:02 AM, Anna Summers wrote:

>  If I understand now about an underpowered USB, would plugging the 
> speaker into a powered USB hub be likely to solve the underpowered 
> problem (if that IS the problem)?
>
>The system idle process is at 98 - the only thing using significant 
>CPU resource.  Everything else is a zero, actually.

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