Speech Enhancement Method under low SNR

摘要：

In this document, the pitch period is detected according to the sensitivity to weak sinusoidal signal and strong immunity ability to noise of Duffing oscillator, at the background of strong noise. And then enhancing pitch obtained by harmonic method. The test results show that the enhancing effect of this method is obvious under low SNR condition, and speech distortion is small.

关键词： speech enhancement harmonic method Duffing oscillator

作者: Cai Wenlong Ma Guang

作者单位: Department of ElectronicNorth China Institute of Aerospace EngineeringLangFang , China Department of Electronic North China Institute of Aerospace Engineering LangFang , China

会议类型: 国际会议

会议名称: 2011 International Conference on Information System and Computational Intelligence(2011 IEEE信息系统与计算智能国际会议 ICISCI 2011)

会议地点: 哈尔滨

会议语种:英文

页码: 414-416

在线出版日期: 2011-01-18（万方平台首次上网日期，不代表论文的发表时间）