clear all;
[y1,fs,bits]=wavread('F:\noise enhancing\wav\shuzi16bit.wav');
%y1=y1/max(abs(y1));%語音信號歸一化
%wavwrite(y1,8000,8,':\noise enhancing\voise\5.wav');
%wavwrite(y1,8000,8,'F:\語音降噪\wav\sunshine2.wav');
figure(1);
plot(y1);

[noise,fs1,bits1]=wavread('F:\noise enhancing\wav\shuzi16bit_noise.wav');
y=mixsig(y1,noise,10);% 混合
%y=y/max(abs(y));%歸一化
wavwrite(y,8000,16,'F:\noise enhancing\wav\shuzi16bit_s&w(10).wav');
figure(2);
plot(y);