AudioRetoucher is an audio effect processor that changes the pitch and tempo of an audio composition. With AudioRetoucher 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, and usually involves no more than a half-step (semitone) or possibly whole step (whole tone) change. Vocal pitch may also be speeded up to "smooth out" a performance, or to make the singer sound younger. It may be used for special effects like famous Chipmunks recordings were created by recording vocal tracks at a slow speed, then boosting them to normal at playback. If you have MP3+G karaoke audio then all changes in Tempo will be synchronized with lyrics. In additional, AudioRetoucher may work as bass booster, treble enhancer and BPM analyzer.
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