Title :
Proportionate NLMS with orthogonal correction factors for stereophonic acoustic echo cancellation
Author :
Borhani, Mostafa ; Sedghi, Vafa
Author_Institution :
Soha Ind. Dev., Tehran, Iran
Abstract :
This paper presents an improved algorithm for stereophonic acoustic echo cancellation using proportionate normalized LMS algorithm with orthogonal correction factors (PNLMS-OCF). The convergence rate of improved algorithm and computational complexity are then analyzed.
Keywords :
acoustic signal processing; echo suppression; least mean squares methods; normalized least mean squares; orthogonal correction factors; proportionate NLMS; stereophonic acoustic echo cancellation; Adaptive filters; Algorithm design and analysis; Analytical models; Computational complexity; Convergence; Echo cancellers; Equations; Finite impulse response filter; Gaussian noise; Least squares approximation;
Conference_Titel :
IEEE-NEWCAS Conference, 2005. The 3rd International
Print_ISBN :
0-7803-8934-4
DOI :
10.1109/NEWCAS.2005.1496711
