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没报错讯息, 怎判断? 仅猜测x,y不等长还有y是struct, 不能直接用clc; clearfs=8000; m=wavrecord(3*fs,fs,'uint8');save('voicetest.mat','m');y=load('voicetest.mat');yy=y.m;fs=8000;nn=length(yy); delt=1/fs; delf=fs/nn;t=(0:nn-1)*delt; plot(t,yy)pp=1:nn/2; yf=fft(yy); ff=pp*delf;figure; plot(ff,abs(yf(pp)))... |
