14 lines
338 B
Matlab
14 lines
338 B
Matlab
[y,Fs] = audioread("modulator22.wav");
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#y = y(1.95*Fs:2.05*Fs)
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% n between 1 an d 1.1
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% u between 1.45 and 1.6
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% i between 1.95 and 2.05
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t = (0:length(y)-1)/Fs;
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#[pwr, dur] = frequencySpectrum(y, Fs, 0);
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#xlabel("Timee (s)");
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#ylabel("Amplitude");
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#spectrogram(y,Fs,5,5);
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Fs = downsample(Fs ,4000);
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audiowrite("modulator22.wav", y, Fs); |