Two Methods for Short Time Fourier Transform (STFT)

Version 1.0.1 (531 KB) von Ilias Konsoulas
Two fast STFT computation scripts and 2 illustrative demos.
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Aktualisiert 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.

Zitieren als

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. Abgerufen .

Kompatibilität der MATLAB-Version
Erstellt mit R2018a
Kompatibel mit allen Versionen
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Version Veröffentlicht Versionshinweise
1.0.1

Only updated the "inspired by" section.
1.0.0