DIRAC

C Object Library for Hi-End Tempo and Pitch Manipulation of Polyphonic Audio Signals

Version 3 now available! Click here

DIRAC redefines the limits of what todays’ technology can do for your application if you want to change the speed and pitch of music independently without sacrificing quality. Used by leading hi-end audio processing applications and custom built solutions in studios around the world, DIRAC is our critically acclaimed time stretching and pitch shifting technology that works with both musically monophonic and polyphonic signals with equal ease and success. Its straightforward API makes this an ideal tool for any software project that requires time stretching and pitch shifting.