Phase Vocoder

Phase Vocoder PowerPoint PPT Presentation


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Phase Vocoder

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Presentation Transcript


1. Phase Vocoder A beautiful grid of effects.

2. Flow Phase Vocoder Effects Demo

3. Phase Vocoder A rope of sand…

4. How it works Time-Frequency Grid Magnitude and phase

5. Implementations Filter Bank FFT/ IFFT Gaboret

6. Tricks Windows Hops Phase

7. Effects The magic behind the music.

8. Pitch Shifting Calculate Instantaneous Frequency Scale Frequency Re-Synthesize Phase

9. Time Stretching Modify Hop Size Calculate Phase Increments Re-Synthesize Phases

10. Phase Effects Robotization Whisperization

11. Demo

12. Conclusions

13. Questions ?

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