[Jackaudio] MOTU UltraLite AVB modulo-8 channel hopping

Sam Kuper sampablokuper at posteo.net
Mon Jul 27 01:29:17 CEST 2020

On Sun, Jul 26, 2020 at 01:35:44PM +0200, Holger Marzen wrote:
> the MOTU Ultralite AVB is a great USB audio interface [..]  But from
> time to time the output hops modulo 8 when used with jackd:
> system:playback_1 -> ends up at 9 in the interface
> system:playback_2 -> ends up at 10 in the interface
> I can force such a hop by changing the buffer size on the fly with
> jack_bufsize. I think that every little hickup on USB confuses jackd.

I don't have an AVB and can't help, except to say that you might want to
connect with the people in the following forum thread who are also
seeking fixes or workarounds for the AVB's channel-hopping annoyances:

A: When it messes up the order in which people normally read text.
Q: When is top-posting a bad thing?

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