An Improved Accumulated Cross-Power Spectrum Phase Method for Time Delay Estimation

摘要：

　　Acoustic source localization based on time delay estimation (TDE) is one of the core of the method in hearing aids.However,the estimation accuracy is often affected by noise and reverberation.In order to solve the problem,in this paper,an improved method based on accumulated cross-power spectrum phase is proposed.This method uses a modified weighting function to sharpen the peak of the correlation function,and it introduces voice activity detection (VAD) to eliminate noise frames to improve the estimation accuracy.The simulation results show that,in both noisy and reverberant environments,the proposed method can improve the performance of TDE significantly.

关键词： time delay estimation cross-power spectrum phase voice activity detection

作者: Huida MAO Linghua ZHANG

作者单位: College of Telecommunications & Information Engineering Nanjing University of Post and Telecommunications Nanjing 210003, China

会议类型: 国际会议

会议名称: 2015 IEEE Advanced Information Technology, Electronic and Automation Control Conference(IAEAC 2015)(2015 IEEE先进信息技术,电子与自动化控制国际会议)

会议地点: 重庆

会议语种:英文

页码: 563-566

在线出版日期: 2015-12-19（万方平台首次上网日期，不代表论文的发表时间）