i am adding two sound waves. i am receiving an error : ??? Error using ==> plus Matrix dimensions must agree. how i can add these two waves?

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anjali parashar
anjali parashar 2013-4-8
评论： jose manuel torres mandujano 2016-6-7
[y,fs,nbits]=wavread('C:\Users\HP\Desktop\angel_48k_stereo.wav');
[z,fs,nbits]=wavread('C:\Users\HP\Desktop\keyboard_48k.wav');
signal=y+z;

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Youssef Khmou
Youssef Khmou 2013-4-8
hi,
The error occurs because y and z do not have the same length, try :
[y,fs,nbits]=wavread('C:\Users\HP\Desktop\angel_48k_stereo.wav');
[z,fs,nbits]=wavread('C:\Users\HP\Desktop\keyboard_48k.wav');
ny=length(y);
nz=length(z);
N=min([ny nz]);
Y=y(1:N);
Z=z(1:N);
signal=Y+Z;
do they have the same Fs?
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