Freqency Analysis.zip_arrowmxg_audio processing_human_matlab

[x,F1]=audioread('11.m4a'); [y,F2]=audioread('22.m4a'); [z,F3]=audioread('33.m4a'); x1=mean(x); y1=mean(y); z1=mean(z); x2=mean(x1); y2=mean(y1); z2=mean(z1); x1=fft(x); x2=abs(x1); subplot(3,2,1) plot(x) xlabel('Time(T)') ylabel('Amplitude') subplot(3,2,2) plot(x2(1:10000)) xlabel('Frequency(F)') ylabel('Magnitude') y1=fft(y); y2=abs(y1); subplot(3,2,3) plot(y) xlabel('Time(T)') ylabel('Amplitude') subplot(3,2,4) plot(y2(1:10000)) xlabel('Frequency(F)') ylabel('Magnitude') z1=fft(z); z2=abs(z1); subplot(3,2,5) plot(z) xlabel('Time(T)') ylabel('Amplitude') subplot(3,2,6) plot(z2(1:10000)) xlabel('Frequency(F)') ylabel('Magnitude') axis tight