Spectral analysis using pwelch

How can I extract the first 2 seconds of data from a 1 minute .wav file and then asked to fragment it into 200 segment of 10 ms of each? Then I have to estimate psd using the pwelch function and store the result as matrix, and plot the spectrogram using the imagesc.

1 comentario

Waleed ElGrawani
Waleed ElGrawani el 27 de Sept. de 2019
why dont u use spectrogram function with 2 seconds window

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Preguntada:

el 24 de Abr. de 2016

Comentada:

el 27 de Sept. de 2019

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