基于Teager能量算子和空域相关函数的基音检测算法  

Pitch Detection Algorithm Based on Teager Energy Operator and Spatial Correlation Function

作　　者：陈宁[1] 胡瑛[1] 

机构地区：[1]中南大学信息科学与工程学院,湖南长沙410083

出　　处：《微电子学与计算机》2007年第11期21-23,共3页Microelectronics & Computer

基　　金：中国博士后科学基金项目(20060390883)

摘　　要：结合Teager能量算子和空域相关函数,提出了一种有效的基音周期检测方法。检测前在小波域上用Teager能量算子对语音信号进行清浊音判决,对浊音段采用空域相关函数提取基音周期。实验表明,与传统的小波变换算法和自相关法相比,该方法鲁棒性好,具有更高的准确性。An effective pitch period detection method by combined Teager energy operator （TEO） with spatial correlation function is proposed. A voiced regions detection（VRD） algorithm based on wavelet transform and Teager energy operator is proposed firstly. Then, an algorithm based on spatial correlation function for estimating pitch frequency only in voiced regions is presented. Experiments show that this algorithm has a better robustness and more precision compared with the classical wavelet-based methods and auto-correlated function（ACF）.

关 键 词：基音检测 小波变换 TEAGER能量算子 空域相关函数 

分 类 号：TN912.34[电子电信—通信与信息系统]