Title :
Real time De-mixing system based on LMS adaptive algorithm for blind two source signals separation
Author :
Mehrkanoon, S. ; Moghavvemi, M. ; Fariborzi, H.
Author_Institution :
Univ. Malaya, Kuala Lumpur
Abstract :
In this paper an algorithm for real-time signal processing of adaptive blind source separation (ABSS) is proposed. It is a promising method for speech and acoustic source signal separation in noisy environment such as room, office, etc. This paper proposed real-time de-mixture of speech mixture in enclosure environments. Making the real-time mixture of source signals as simultaneously as de-mixture in simulation based on adaptive NLMS and activation function in neural network are proposed. Separating the sources in the frequency domain is shown. The time variant mixing matrix based on random vector with time variable elements are made. Several simulations obtain optimum results of implemented algorithm. An experiment for testing the efficacy of the algorithm in the real-time source separation by high performance computer is presented.
Keywords :
adaptive signal processing; blind source separation; least mean squares methods; neural nets; speech processing; acoustic source signal separation; activation function; adaptive blind two source signals separation; least mean square algorithm; neural network; noisy environment; random vector; real time de-mixing system; time variable element; time variant mixing matrix; LMS adaptive learning algorithm; independent component analysis; signal separation;
Conference_Titel :
Research and Development, 2007. SCOReD 2007. 5th Student Conference on
Conference_Location :
Selangor, Malaysia
Print_ISBN :
978-1-4244-1469-7
DOI :
10.1109/SCORED.2007.4451378