duan.m

语音信号的短时能量程序

%滤波后的语音信号为c103.wav
N = 160
[Y,Fs,bits] = wavread('c101.wav');
L = length ( Y )
%短时能量
for i=1:L-N
   e(i)=energy(x(i:i+N));
end
plot(e,'LineWidth',2);
xlabel('时间t');
ylabel('能量E');