% Load the audio file
[x, Fs] = audioread('guitar.wav');
% Define the filter coefficients
num = [0.1, 0.4, 0.6, 0.4, 0.1];
den = [1, 0.06, 0.5, 0.01, 0.02];
% Filter the signal
y = filter(num, den, x);
% Play the filtered audio signal
sound(y, Fs);
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QR factorisation example, Summaries of Linear Algebra
Problem solved on the method of QR factorisation
Typology: Summaries
2023/2024
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% Load the audio file [x, Fs] = audioread('guitar.wav'); % Define the filter coefficients num = [0.1, 0.4, 0.6, 0.4, 0.1]; den = [1, 0.06, 0.5, 0.01, 0.02]; % Filter the signal y = filter(num, den, x); % Play the filtered audio signal sound(y, Fs);