[LAU] foot switch for pausing/playing audio signals for better transcribing

[N. Gey]

arisstotle.54695488 at bloglines.com schrieb:
> If you have a programmable midi keyboard, you can program a foot pedal to
> send an mmc play/pause command to ardour, and there you have it.
>   
Chuckk Hubbard schrieb:
> and now that I think of it you might be able to rig the Jack transport 
> to start and stop with a MIDI signal, and use that to play Audacity. 

I think the JACK transport state sounds finde. But how do I do that?