[LAD] [LAU] Ardour MIDI tracer

[Bill Gribble]

> On Aug 16, 2014, at 12:09, Fons Adriaensen <fons at linuxaudio.org> wrote:
> Whether it will reduce interference from MIDI in a sound
> card is questionable. MIDI is isolated anyway. If anything
> of it leaks into the analog audio path that means the sound
> card has a problem.

DIN MIDI is isolated, but more and more devices use USB for MIDI, which is not isolated.  Big step backwards! 

Any device that has both audio I/O on analog cable and also USB MIDI is an immediate suspect when digital hash shows up in my audio signals. 

Thanks,
Bill Gribble