the autocorrelation function for measuring the F0 (Stefan Crawcour )


Subject: the autocorrelation function for measuring the F0
From:    Stefan Crawcour  <stephen_crawcour(at)yahoo.com>
Date:    Thu, 28 Jul 2005 13:10:22 -0700

--0-934739674-1122581422=:56787 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Dear members of the list, another question I am still trying to answer is: When calculating the F0 from the speech sample, I automatically use the autocorrelation function. But, what does the autocorrelation function really do? Is it a similar mechanism as in the FFT (multiplying the speech sample with an appropiate window, if I am not terribly mistaken) ? Thanks again, Stephen __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com --0-934739674-1122581422=:56787 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: 8bit <DIV>Dear members of the list,</DIV> <DIV>&nbsp;</DIV> <DIV>another question I am&nbsp;still trying to answer is: </DIV> <DIV>&nbsp;</DIV> <DIV>When calculating the F0 from the speech sample, I automatically use the autocorrelation function. But, what does the autocorrelation function really do? Is it a similar mechanism as in the FFT (multiplying the speech sample with an appropiate window, if I am not terribly mistaken) ?</DIV> <DIV>&nbsp;</DIV> <DIV>Thanks again,</DIV> <DIV>&nbsp;</DIV> <DIV>Stephen</DIV> <DIV>&nbsp;</DIV><p>__________________________________________________<br>Do You Yahoo!?<br>Tired of spam? Yahoo! Mail has the best spam protection around <br>http://mail.yahoo.com --0-934739674-1122581422=:56787--


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