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ÖÐͼ·ÖÀàºÅ£ºTP311ÎÄÏ×±êʶÂ룺AÎÄÕ±àºÅ£º1009-3044(2008)28-0100-03 Pitch Detection of Tibetan Phonetic Based on AMDF YANG Shun-yuan,YU Hong-zhi

(State Key Laboratory of National Languages Information Technology,Northwest University for Nationalities,Lanzhou 730030,China)

Abstract: Pitch is one of the most important parameters in phonetic signal.It describes an important character of phonetic excitation source. Pitch applies widely to phonetic synthesis and

phonetic recognition fields and so on. The thesis introduces an AMDF-based method that the effect of pitch detection is preferable.

Key words: tibetan;pitch;autorelation;AMDF 1 Ç°ÑÔ

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