[LAU] ESI Romio II and alsa-midi-latency-test failure

[Gordon JC Pearce]

On Mon, Jan 27, 2014 at 11:03:03AM +0100, R. Mattes wrote:

> There are some devices that refuse to work with a hub (no matter
> how short the cable is). My -m-Audio Axiom 61 refuses to connect
> via a hub - a fact mentioned in the fine manual but _not_ in any
> promotional material :-(
> 
> I think this is either a bug in their Usb chip firmware or some
> engineer tried to be oversmart (i.e. hubs might introduce latency/jitter
> hence we won't work with hubs).
> 
>  HTH Ralf Mattes

The novation Xiosynths don't appear to be happy through hubs - MIDI works, audio doesn't.  Using the USB1.1 hub in my keyboard (big chunky IBM one, not cheap) the MIDI timing jitter goes from hellish to unusable.

-- 
Gordonjcp MM0YEQ