AudioRetoucher is an audio effect processor that changes the pitch and tempo of an audio files. The sound of an instrument or voice might be modified slightly, to make a vocalist or instrumentalist’s job easier in dealing with difficult keys.
An audio time-stretching and pitch-shifting library and utility program.
Drum machine application
Transparent operation on a wide variety of source material
Ever found a song was too high to sing along with? Transpose MP3s by up to +/-4 semitones. Adjust the tempo by up to +/- 20% of the original tempo. Hear the adjustment in real-time. When you are done simply save the resulting version as mp3.