pitch detection by autocorrelaion

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Farideh Jalali
Farideh Jalali 2012-5-22
Hi all,
Does anyboday can tell me how can we use the autocorrelation for finding pitch?
Thanks

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回答（1 个）

Daniel Shub
Daniel Shub 2012-5-22
This has been asked before.
  2 个评论
Farideh Jalali
Farideh Jalali 2012-5-24
Can you please send me the link,I looked the website but I have found some codes very complicated.
I really dont know,when we plot the autocorelation by Matalb function (xcorr) what is the x axis?
If I want to see the lags should I use any specific formula?Is the pitch periods are exactly the lags?
Can you please give me some useful refrences.
Daniel Shub
Daniel Shub 2012-5-24
Just follow the link above (click on "before") or go to:
http://www.mathworks.com/matlabcentral/answers/14133-using-xcorr-in-pitch-detections

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