Improving AMDF for Pitch Period Detection

摘要：

Pitch period is the important parameters of speech recognition and speech synthesis. Pitch period detection has been focus in the field of audio processing research. Traditional AMDF-based algorithm and its improved version, LV-AMDF-based algorithm easily leads to the double error or half error, and so on in the pitch detection. To solve these problems, AMDF, LV-AMDF function characteristics and shortcomings in pitch detection are analyzed, the parameters compensation AMDF pitch detection algorithm is proposed in this article to reduce semifrequency, double-frequency errors often appear in the pitch detection and improve the detection accuracy. Experimental results show that its pitch detection accuracy is better than AMDF and L V-AMDF.

关键词： Pitch detection algorithm AMDF Length-Varied AMDF amplitude compensation

作者: Kang Guangyu Guo Shize

作者单位: Department of Automatic Test and Control,Harbin Institute of Technology,Harbin,Heilongjiang 150001 No.54 Institute from Headquarters of the General Staff Beijing 100001

会议类型: 国际会议

会议名称: 2009 9th International Conference on Electronic Measurement & Instruments(第九届电子测量与仪器国际会议 ICEMI2009)

会议地点: 北京

会议语种:英文

页码: 3511-3514

在线出版日期: 2009-08-16（万方平台首次上网日期，不代表论文的发表时间）