Nonlinear loudspeaker compensation for hands free acoustic echo cancellation

Electronics Letters

Volumn 32, Issue 12, 1996, Pages 1063-1064

  Birkett, A N ^a   Goubran, R A ^a  

^a CARLETON UNIVERSITY   (Canada)

Author keywords

Adaptive filters; Echo suppression; Loudspeakers; Nonlinear filters

Indexed keywords

ACOUSTIC DISTORTION; ACOUSTIC SIGNAL PROCESSING; ACOUSTIC VARIABLES MEASUREMENT; ADAPTIVE FILTERING; ALGORITHMS; BACKPROPAGATION; ERROR COMPENSATION; LOUDSPEAKERS; NEURAL NETWORKS; PERFORMANCE; VECTORS;

ACOUSTIC ECHO CANCELLERS; ACOUSTIC IMPULSE RESPONSE; ECHO RETURN LOSS ENHANCEMENT; NONLINEAR ARCHITECTURE; NONLINEAR FILTERS; STOCHASTIC GRADIENT METHOD;

ECHO SUPPRESSION;

EID: 0030572282     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:19960695     Document Type: Article

References (7)

1. WEHRMANN, R., LIST, J.V.D., and MEISSNER, P.: 'A noise insensitive compromise gradient method for the adjustment of adaptive echo cancellers', IEEE Trans. Commun., 1980, COM-28, (5), pp. 753-759
2. KAISER, A.J.M.: 'On the design of broadband electrodynamic loudspeakers and multiway loudspeaker systems'. PhD. thesis, Eindhoven University of Technology, The Netherlands, 1986, Chap. 6
3. BIRKETT, A.N., and GOUBRAN, R. A.: 'Limitations of handsfree acoustic echo cancellers due to nonlinear loudspeaker distortion and enclosure vibration effects'. 1995 IEEE ASSP Workshop on Appi. of Sig. Proc. to Aud. and Acoustics, New Paltz, New York, October 1995
4. KNAPPE, M.E., and GOUBRAN, R.A : 'Steady state performance limitations of full-band acoustic echo cancellers'. ICASSP 1994, Adelaide, South Australia, 2, pp. 73-76
5. HUSH, D.R., and HOME. B.G.: 'Progress in supervised neural networks', IEEE Signal Process. Mag., 1993, 10, (1), pp. 8-39
6. BIRKETT, A.N., and GOUBRAN, R. A.: 'Acoustic echo cancellation using a NLMS-neural network structure'. ICASSP 1995, Detroit, MI, 5, pp. 3035-3038
7. HAYKIN, s.: 'Adaptive filter theory' (Prentice-Hall Information Systems Series, 1996, 3rd edn.)