Title :
Implementation methodology of acoustic echo cancellation based on FELMS adaptive algorithm
Author_Institution :
Inst. Galilee, Villetaneuse, France
Abstract :
The paper presents a unified methodology for an efficient Digital Signal Processor (DSP) implementation of acoustic echo cancellation algorithm based on the Fast Exact Least Mean Square (FELMS) adaptive algorithms. The difficulty is to retain as much as possible the improvement brought by the reduction of the arithmetic complexity of FELMS adaptive algorithms without exceeding DSP resources such as pointer register. The objective is reached by an efficient data management and an optimal memory data organization
Keywords :
FIR filters; adaptive filters; adaptive signal processing; computational complexity; digital filters; echo suppression; least mean squares methods; DSP implementation; FELMS adaptive algorithm; acoustic echo cancellation; arithmetic complexity reduction; data management; digital signal processor; echo cancellation algorithm; fast exact LMS adaptive algorithm; least mean square adaptive algorithm; optimal memory data organization; unified implementation methodology; Adaptive algorithm; Adaptive filters; Arithmetic; Delay; Digital signal processing; Digital signal processors; Echo cancellers; Filtering algorithms; Finite impulse response filter; Signal processing algorithms;
Conference_Titel :
Electronics, Circuits, and Systems, 1996. ICECS '96., Proceedings of the Third IEEE International Conference on
Conference_Location :
Rodos
Print_ISBN :
0-7803-3650-X
DOI :
10.1109/ICECS.1996.584548
