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Matlab Lecture 10 - Aqua Phoenix
http://aquaphoenix.com/lecture/matlab10/page4.html#:~:text=To%20apply%20a%20filter%20to%20a%201-D%20audio,filter%27s%20frequency%20response%20can%20be%20plotted%20using%20function
Measure Frequency Response of an Audio Device - …
https://www.mathworks.com/help/audio/ug/measure-frequency-response-of-an-audio-device.html
How to see freq response of a wave file - MathWorks
https://www.mathworks.com/matlabcentral/answers/19970-how-to-see-freq-response-of-a-wave-file
Plot Audio Wave in Time and Frequency domain by …
https://medium.com/audio-processing-by-matlab/plot-audio-wave-in-time-and-frequency-domain-by-matlab-628bc029aa69
Frequency Response with MATLAB Examples - halvorsen.blog
https://www.halvorsen.blog/documents/automation/resources/Frequency%20Response%20with%20MATLAB%20Examples.pdf
Frequency Response –MATLAB clear clc close all % Define Transfer function num = [1]; den = [1, 1]; H = tf(num, den) % Frequency Response bode(H); grid on % Get Freqquency Response Data wlist = [0.01, 0.1, 1, 2 ,3 ,5 ,10, 100]; [mag, phase, w] = bode(H, wlist); for i=1:length(w) magw(i) = mag(1,1,i); phasew(i) = phase(1,1,i); end
Matlab for Audio Signals and Systems EE513
https://web.engr.uky.edu/~donohue/ee513/mfiles/MatlabEE513.htm
convolution_show.m – This script generates a series of plots to graphically illustrate the discrete convolution between an impulse response and an input signal to compute the output. freqres.m – This script plots the frequency response and impulse response for a system with a Z-transform given by H(z) = 1 / (1 - .5*z^-1).
2.3.9 Applying the Fourier Transform in MATLAB – Digital ...
http://digitalsoundandmusic.com/2-3-9-applying-the-fourier-transform-in-matlab/
y = cos (2*pi*220*t + pi/3); z = cos (2*pi*440*t + pi/6); x, y, and z are arrays of numbers that can be used as audio samples. pi/3 and pi/6 represent phase shifts for the 220 Hz and 440 Hz waves, to make our phase response graph more interesting. The figures can be displayed with the following:
Matlab Lecture 10 - Aqua Phoenix
http://aquaphoenix.com/lecture/matlab10/page4.html
To apply a filter to a 1-D audio waveform, Matlab provides function filtfilt, which takes as arguments the result [b, a] from butter, the waveform, and a value denoting the order (number of coefficients) of the filter. A filter's frequency response can be plotted using function Magnitude values at zero dB are unaffected by the filter.
MATLAB - Plot time-frequency graph of .wav file - Stack ...
https://stackoverflow.com/questions/14329017/matlab-plot-time-frequency-graph-of-wav-file
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