Converting Pitch to BPM - Tuning Retrigger App

Hi forum - i found that i wasn’t having the best results trying to tune synths to my retrigger melodies in the OT. i just wrote, and uploaded, a really simple max/msp external for figuring the BPM according to pitch, so that your retriggers can now be in tune with the rest of the piece:

http://www.elektronauts.com/files