More details on the Raspberry Pi forums:
http://www.raspberrypi.org/forum/viewtopic.php?f=53&t=64936&p=478560#p478560
But essentially the problem is that playing with plug:dmix blocks waiting for
an event to arrive from /dev/snd/timer.
Should I send this to the dev list?
Cheers,
Dave
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As per the subject I'm attempting to send single packets to, actually, a
Novation Launchpad S. So not something that conveniently makes a noise when it
receives a packet but, in theory, it can make it's switches light up.
(http://global.novationmusic.com/support/downloads/launchpad-programmers-r