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Time Stretching and Pitch Shifting

When directly scaling the playback rate of audio files, the frequency inherently changes with it. This project explores methods for both time-scaling audio without a change in pitch, as well as pitch-shifting audio without distorting audio speed. 

Original Audio:

Time scaling frequency distortion example: 

Time scaling without frequency distortion: 

Pitch shifting without time distortion: 

Paper: (click)

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