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Acoustic echo control. An application of very-high-order adaptive filters

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9 Author(s)
Breining, C. ; Dept. of Electr. Eng., Darmstadt Univ. of Technol., Germany ; Dreiscitel, P. ; Hansler, E. ; Mader, A.
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We have discussed the application of high-order adaptive filters to the problem of acoustical echo cancellation with particular application to hands free telephone systems. We described a means to achieve robust performance. We further presented methods for reducing computational complexity that allow implementation in low-cost, fixed-point digital signal processors. Progress in technology will allow the use of more sophisticated algorithms at lower cost in the near future

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Signal Processing Magazine, IEEE  (Volume:16 ,  Issue: 4 )