how to pan stereo audio on Matlab
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i have exported the data of a sterio wav file. i have code to change aplitude of the audio, pan the audio and play it. but im stuck on how to pan the audio
amplificationFactor = 1.1; % Ten percent gain.
data = data * amplificationFactor;
plot(data);
sound(data, fs);
any advice will be appreciated
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Accepted Answer
Bora Eryilmaz
on 15 Dec 2022
Edited: Bora Eryilmaz
on 15 Dec 2022
For stereo audio, your data has to be an n x 2 matrix. Then you can multiply each channel (column) by a weight between 0 and 1 to pan.
% Full pan left
data = rand(100,2);
data(:,2) = 0;
% Full pan right
data = rand(100,2);
data(:,1) = 0;
% 25% left, 75% right pan
data = rand(100,2);
data(:,1) = 0.25 * data(:,1);
data(:,2) = 0.75 * data(:,2);
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