Re: Simultaneous recording with arecord - xrun problems

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Douglas.Arellanes@xxxxxxxx wrote:
> error -28: not enough bandwidth
> 
> I'm using a D-Link DUB-H7 USB 2.0 hub. I'd have never thought the hub was the
> culprit. Would you happen to have any tips on how to increase the hub's
> throughput, or possibly to recommend a hub that would do the trick?

The mechanism that converts between full speed (USB 1.x) and high speed
(USB 2.0) is called a transaction translator.  There are hubs that share
one transaction translator among all their ports, and hubs that have one
TT for each port.  The only model that I know to have the latter feature
is the Belkin TetraHub, which isn't sold anymore as far as I can tell.


HTH
Clemens

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