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Spectral analysis using pwelch

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thp_jung@outlook.com Thapa
评论： Waleed ElGrawani 2019-9-27
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.

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