Export Audio with Volume Automation
Dear Community,
I would like to print a sinewave with volume automation in mathlab. I am already able to print a stereo wave file with a fixed amplitude. Is it possible to set time points with corresponding amplitude values?
fs = 44100;
i=1/fs;
t = 0:i:2;
phi = 0;
A = 1;
f = 220.0000;
x = A*sin((2*pi*f*t) + phi);
f = 220.0000;
y = A*sin((2*pi*f*t) + phi);
stereo_mtx = [x(:), y(:)];
audiowrite(‘stereo sound 3.wav’, stereo_mtx, fs);
Any help is much appreciated! Thanks
NOTE:-
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this is my suggestion
fs = 44100;
dt=1/fs;
t = 0:dt:2;
phi = 0;
A = 1;
f = 220.0000;
x = A*sin((2*pi*f*t) + phi);
f = 220.0000;
y = A*sin((2*pi*f*t) + phi);% define volume envelopp by time index
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