Phase_Vocoder
This MATLAB exercise implements a phase vocoder with the capability of speed-up or slow-down of a speech or audio signal by a factor 'r', where 'r' varies from 0.25 (slow-down by factor of 4) to 'r'=40 (speed-up by factor of 4). The speed-up or slow-down works by interpolating the Short Time Fourier Transform (STFT) magnitude and calculating the phase advance for the signal. The file '5.16 Phase Vocoder.pdf' provides a User's Guide for this exercise.
Cite As
Lawrence Rabiner (2026). Phase_Vocoder (https://in.mathworks.com/matlabcentral/fileexchange/52124-phase_vocoder), MATLAB Central File Exchange. Retrieved .
MATLAB Release Compatibility
Platform Compatibility
Windows macOS LinuxCategories
- Signal Processing > Signal Processing Toolbox > Transforms, Correlation, and Modeling > Transforms > Discrete Fourier and Cosine Transforms > Short-Time Fourier Transform >
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| Version | Published | Release Notes | |
|---|---|---|---|
| 1.0.0.0 | works on both R2015a and windows 10 added name of User's Guide for this exercise |
