sgram4.m

来自「这是一个用于语音信号处理的工具箱」· M 代码 · 共 13 行

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

% call Matlab function to calculate spectrogram from input signal
axis1=LEFT:RIGHT;
axes(ax4);
[B4,F4,T] = specgram ( signal4(LEFT:RIGHT),[], 10000, [], [] );
time=LEFT:RIGHT+500;
% plot the spectrogram
imagesc(time,F4,-20*log10(10+abs(B4))),axis xy, colormap(jet);
title('DEGG signal - zoom ');