www.gusucode.com > signal 案例源码程序 matlab代码 > signal/PeakEnvelopesOfSpeechSignalExample.m
%% Peak Envelopes of Speech Signal % Plot the upper and lower peak envelopes of a speech signal smoothed over 30-sample % intervals. % Copyright 2015 The MathWorks, Inc. load('mtlb') envelope(mtlb,30,'peak')