sgram4.m

来自「这是一个用于语音信号处理的工具箱」· M 代码 · 共 14 行

%spectrogram for speech data
%created by Childers
%May 19, 1999


% call Matlab function to calculate spectrogram from input signal
%axis1=LEFT:RIGHT;
axes(ax1);
[B1,F1,T1] = specgram ( speech,[], 10000, [], [] );
%time=LEFT:RIGHT+500;
% plot the spectrogram
imagesc(T1,F1, -20*log10(10+abs(B1))),axis xy, colormap(jet); 
title('Speech Signal ');