Two Methods for Short Time Fourier Transform (STFT)

Version 1.0.1 (531 ko) par Ilias Konsoulas
Two fast STFT computation scripts and 2 illustrative demos.
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Mise à jour 24 mai 2020

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Two methods are provided for hassle-free Short-Time Fourier Transform (STFT) computation.

In Method I, the DFT of all signal frames is computed via a single matrix product and serves those who want to gain more insight on the DFT computation mechanism by vectorizing the frame transformation process.

In Method II, the DFT of each signal frame is computed via a frame-by-frame FFT by use of the matlab's buit-in function fft.m.

I also provide 2 demos, one for each method, illustrating their practical use.
Also, some audio files are included for sake of experimentation.

Citation pour cette source

Ilias Konsoulas (2024). Two Methods for Short Time Fourier Transform (STFT) (https://www.mathworks.com/matlabcentral/fileexchange/75893-two-methods-for-short-time-fourier-transform-stft), MATLAB Central File Exchange. Récupéré le .

Compatibilité avec les versions de MATLAB
Créé avec R2018a
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Version Publié le Notes de version
1.0.1

Only updated the "inspired by" section.
1.0.0