synesthesia-snippet-openframeworks.cpp

float timeDiff = ofGetElapsedTimef() - lastPitchChangeTime;

if(roundedCurrPitch != roundedPrevPitch && pitchConfidence > minimumConf && timeDiff > pitchRelease) {

  // first, send [off note] for previous note
  midiOut.sendNoteOff(channel, roundedPrevPitch);

  // send current note value over midi
  // scale the ascii values to midi velocity range 0-127
  // see an ascii table: http://www.asciitable.com/
  velocity = 127 * pitch.pitchConfidence;
  midiOut.sendNoteOn(channel, roundedCurrPitch, velocity);

  prevPitch = currPitch;
  lastPitchChangeTime = ofGetElapsedTimef();
}