MATLAB: Having errors while converting .mat file to .wav file

wavwrite

 x=load('read.mat');
>> f=fieldnames(x);
>> wavwrite(x.(f{1}),8000,'foo.wav')
Warning: Data clipped during write to file:foo.wav
> In wavwrite>PCM_Quantize at 247
  In wavwrite>write_wavedat at 267
  In wavwrite at 112
>>

Best Answer

Instead of
wavwrite(x.(f{1}),8000,'foo.wav')
try
nBits = 16;
Y = x.(f{1});
Y = Y./max(abs(Y(:)))*(1-(2^-(nBits-1)));
wavwrite(Y,8000,nBits,'foo.wav')
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