How to convert the sound of boys into girls voices? Patrick Vlaskovits October 17, 2017 20:56 Follow SuperpoweredTimeStretching, pitchshift methods. Related articles Is it possible to add pitch changing effects to the audio in real-time for our video chat application? Can do multiple pitch shifting for playing a sample back as a chord? How much CPU the real-time stretching of a stereo stream (let’s say 44.1k) will take using your library? Do you think 5 is possible? Comments 0 comments Article is closed for comments.