Title :
Convolutive blind signal separation by estimating mixing channels in time domain
Author :
Won, Y.-G. ; Lee, Suh-Yin
Author_Institution :
Sch. of Electr. Eng. & Comput. Sci., KAIST, Daejeon
Abstract :
Unlike conventional blind signal separation (BSS) methods estimating unmixing channels, an improved BSS method by estimating mixing channels in time domain is presented. Compared to the unmixing channels with IIR characteristics the mixing channels can be approximated by FIR filters with fewer time delays, and the proposed method demonstrates superior performance for the same training data.
Keywords :
FIR filters; approximation theory; blind source separation; channel estimation; convolution; delays; time-domain analysis; FIR filter; IIR characteristic; convolutive blind signal separation; mixing channel approximation; mixing channel estimation; time delay; time domain analysis;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20081453