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To: stevefranks@ieee.org
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From: Lowell Gilbert <lowell@ieee.org>
Date: Wed, 12 Dec 2007 20:18:34 -0500
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	(Steve Franks's message of "Tue\, 11 Dec 2007 09\:54\:44 -0700")
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Cc: User Questions <freebsd-questions@freebsd.org>
Subject: Re: is there a port to 'copy' audio from one soundcard to another
	in realtime?
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"Steve Franks" <stevefranks@ieee.org> writes:

> Say I have multiple usb audio devices, and I want to make a simple
> 'mixer' - anyone know how to do that?

You could try just using cat(1) to copy between the devices...