27 lines
604 B
Mathematica
27 lines
604 B
Mathematica
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%% lpss_spectrogram_iter.m
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%%
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%% Load wav and plot spectrogram for iterating window sizes
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close all;
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clear all;
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%WINDOW_NUMBER = 20;
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% matrix by audio channel and sample frequency
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[y, Fs] = audioread('samples/hood_m.wav');
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sample_size = size(y);
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for WINDOW_NUMBER=1:50
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window_size = round(sample_size(1) / ((WINDOW_NUMBER + 1)/2));
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freqRes = Fs / window_size;
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timeRes = window_size / Fs;
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spectrogram(y, window_size, round(window_size/2), [], Fs, 'yaxis');
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%view(-45, 65) % For spinning the map on its axis for a 3D view
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%colormap bone % grayscale
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pause(0.05);
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end
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