wav format data type in matlab

2012 5 25
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Hi, I found that data was in int type in wav file, but when I input the wav file into matlab using wavread(), I found that the data was in float type. Can someone tell me why?

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Wayne King
Wayne King 2012-5-25

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You most likely did not use the format option available in wavread.m
[y,fs] = wavread(file,'native');
If omitted, this defaults to double-precision.

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Daniel Shub
Daniel Shub 2012-5-25

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You should read the documentation to WAVREAD
doc wavread
You want
[Y,...]=WAVREAD(...,'native')

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Susan
Susan 2012-5-26
Yes,thank you. The version of my matlab is 6.0, which doesn't support this format. I update the version to 2010, and the problem had been solved.

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