Voice

2012 5 6
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I wrote a program that analysis a stereo voice file when I am trying to analysis a new voice file I have found error due to Mono file.
How can I change a stereo voice file to mono ?

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回答（1 个）

Wayne King
Wayne King 2012-5-6

0 个投票

If the stereo voice file is Nx2, then just extract 1 column
X = randn(2e4,2);
Y = X(:,1);

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Walter Roberson
Walter Roberson 2012-5-6
Or take mean() of the two columns.
Image Analyst
Image Analyst 2012-5-6
Or, since he already has his stereo analysis program written and done, just use repmat() to convert the new "Mono file" into a stereo file. This would make sure it doesn't break anything in his existing program that depends on the signal being stereo.
Farideh Jalali
Farideh Jalali 2012-5-7
I have to analysis different voice files with one program,can I write something in the codes that I don't want to change the codes every time?

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