sgram3.m

这是一个用于语音信号处理的工具箱

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

% call Matlab function to calculate spectrogram from input signal
axis1=LEFT:RIGHT;
axes(ax3);
[B3,F3,T] = specgram ( signal3(LEFT:RIGHT),[], 10000, [], [] );
time=LEFT:RIGHT+500;
% plot the spectrogram
imagesc(time,F3,-20*log10(10+abs(B3))),axis xy, colormap(jet); 
title('Speech signal 3');