[linux-audio-dev] XAP Time/Transport - varispeed/shuttle

[Tim Hockin]

> The net result is that if tempo is 120 BPM and SPEED is 2.0, you get 
> fast forward at 240 BPM.

> Of course, you may run backwards and stuff that way as well, but 
> don't expect the synths to play sounds backwards... ;-)

Sounds sane - and that implies negative tempo?  It's scary, but I guess
correct...  Do we really want to deal with playing during shuttles?  The
sequencer needs to send reversed ON/OFF events, but that's no big deal..