35 lines
647 B
Matlab
35 lines
647 B
Matlab
#################
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#Created By: Gabriel LUCAS
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#Created :24/03/2023 08:27:54
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#
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#Last modified: 02/03/2023 08:28:32
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#
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#
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#
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#
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#################
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pkg load signal;
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[y fs] = audioread("modulator22.wav");
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t=[1:1:size(y,1)];
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figure;
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subplot(1,1,1);
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plot(t,y)
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%xlabel('Time (s)');
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%ylabel('Sound (dB)');
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%Frequency spectrum using DFT
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%%%%%[powerDFT durationDFT] = frequencySpectrum(y, fs, false);
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%Frequency spectrum using FFT
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%%%%%[powerFFT durationFFT] = frequencySpectrum(y, fs, true);
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sprintf(["time used for DFT: " num2str(durationDFT)])
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sprintf(["time used for FFT: " num2str(durationFFT)])
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spectrogram(y, fs, 5, 30);
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spectrogram(y, fs, 5, 5);
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