Adaptive digital filter and an echo canceler incorporating...

Details Adaptive digital filter and an echo canceler incorporating... Adaptive digital filter and an echo canceler incorporating...

H - Electricity

04

B

340/72, 328/0.5

H04B 3/20 (2006.01) H03H 21/00 (2006.01) H04B 3/23 (2006.01)

Patent

CA 1318952

ABSTRACT In an adaptive digital filter, the inputs to the variable-coefficient scalers of an adaptive digital filter are mutually orthogonal and their mean square values are equal. As a result, the rate of convergence of the variable coefficient of the variable-coefficient scalers is rapid. The adaptive filter is suitable for use in echo cancelers. In addition, means are provided to make the rate of convergence high even when the input signal is nonwhite.

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