2020-10-30 19:54:44 +00:00
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%% lpss_spectrogram.m
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%%
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%% Load wav and plot spectrogram
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2020-11-03 22:21:19 +00:00
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close all;clear all;clc;
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2020-10-30 19:54:44 +00:00
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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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2020-11-03 22:21:19 +00:00
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window_size = round(length(y) / ((WINDOW_NUMBER + 1)/2));
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2020-10-30 19:54:44 +00:00
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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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