Question

MATLAB CODE clear all; close all; clc; r=audiorecorder(44100,8,2); record(r); fprintf("start speaking"); pause(5) fprintf("\nrecording ends"); y=getaudiodata(r); figure(1) plot(y) Y=fft(y); figure(2) plot(abs(Y)) Y=diff(Y); z=ifft(Y); figure(3) plot(abs(z)) fprintf("\nOriginal voice was"); soundsc(y,44100) pause(5) fprintf("\nafter removing low amplitudes voice is"); soundsc(abs(z),44100) pause(5)

          MATLAB CODE clear all; close all; clc;
r=audiorecorder(44100,8,2);
record(r);
fprintf("start speaking");
pause(5)
fprintf("\nrecording ends");
y=getaudiodata(r);
figure(1)
plot(y)
Y=fft(y);
figure(2)
plot(abs(Y))
Y=diff(Y);
z=ifft(Y);
figure(3)
plot(abs(z))
fprintf("\nOriginal voice was");
soundsc(y,44100)
pause(5)
fprintf("\nafter removing low amplitudes voice is");
soundsc(abs(z),44100)
pause(5)

MATLAB CODE clear all; close all; clc;
r=audiorecorder(44100,8,2);
record(r);
fprintf("start speaking");
pause(5)
fprintf("ends");
y=getaudiodata(r);
figure(1)
plot(y)
Y=fft(y);
figure(2)
plot(abs(Y))
Y=diff(Y);
z=ifft(Y);
figure(3)
plot(abs(z))
fprintf("voice was");
soundsc(y,44100)
pause(5)
fprintf("removing low amplitudes voice is");
soundsc(abs(z),44100)
pause(5)

Added by Timothy J.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Madhur L

Step 1

The code starts by clearing all variables, closing all figures, and clearing the command window. Show more…

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MATLAB CODE clear all; close all; clc; r = audiorecorder(44100, 8, 2); record(r); fprintf("start speaking"); pause(5); fprintf("recording ends"); y = getaudiodata(r); figure(1); plot(y); Y = fft(y); figure(2); plot(abs(Y)); Y = diff(Y); z = ifft(Y); figure(3); plot(abs(z)); fprintf("Original voice was"); soundsc(y, 44100); pause(5); fprintf("after removing low amplitudes voice is"); soundsc(abs(z), 44100); pause(5)