Title :
Implementation issues for acoustic echo cancellers
Author :
Berkeman, Anders ; Öwall, Viktor ; Torkelson, Mats
Author_Institution :
Dept. of Appl. Electron., Lund Univ., Sweden
Abstract :
The high computational complexity of acoustic echo cancellation algorithms requires application specific implementations to sustain real time signal processing with affordable power consumption. This is especially true for systems where a delayless approach is considered important, e.g. wireless communication systems. The proposed paper presents architectural considerations to reach a feasible hardware solution
Keywords :
acoustic signal processing; application specific integrated circuits; computational complexity; digital signal processing chips; echo suppression; low-power electronics; real-time systems; ASDSP; acoustic echo cancellers; affordable power consumption; application specific DSP; application specific implementations; architectural considerations; computational complexity; delayless approach; feasible hardware solution; real time signal processing; wireless communication systems; Acoustic signal processing; Adaptive filters; Computational complexity; Delay estimation; Echo cancellers; Energy consumption; Finite impulse response filter; Loudspeakers; Microphones; Signal processing algorithms;
Conference_Titel :
Circuits and Systems, 1999. 42nd Midwest Symposium on
Conference_Location :
Las Cruces, NM
Print_ISBN :
0-7803-5491-5
DOI :
10.1109/MWSCAS.1999.867218
