14 lines
285 B
Matlab
14 lines
285 B
Matlab
pkg load signal
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[y,fs] = audioread('modulator22.wav');
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audiowrite('outmodulator22.wav',y,fs/2);
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n = length(y);
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t=0:1/fs:(n-1)/fs; % time range
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figure;
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plot(t,y);
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xlabel('time (s)');
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ylabel('amplitude');
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[power,duration]=frequencySpectrum(y, fs, false);
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figure;
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plot(duration,power); |