; Select audio/midi flags here according to platform
-odac -+rtmidi=virtual -M0 ;;;realtime audio I/O with MIDI in
;-iadc ;;;uncomment -iadc if realtime audio input is needed too
sr = 44100
ksmps = 32
nchnls = 2
0dbfs = 1
gisine ftgen 0, 0, 1024, 10, 1
instr 1
ivel veloc 0, 1 ;scale 0 - 1
print ivel ;print velocity
asig poscil .5*ivel, 220, gisine ;and use it as amplitude
outs asig, asig
endin
f 0 30 ;runs 30 seconds
e