Audio distortion canceler method and apparatus

Details Audio distortion canceler method and apparatus Audio distortion canceler method and apparatus

1998-03-04

2000-12-05

Bocure, Tesfaldet

Pulse or digital communications

Systems using alternating or pulsating current

Antinoise or distortion

375219, 379410, H04B 1500, H04L 516

Patent

active

061576808

ABSTRACT:
In a communications environment where it is desirable to allow the simultaneous transmission of digital data and conventional voice on a single communication line, an audio distortion canceler method and apparatus is configured to adaptively cancel the nonlinear low frequency audible harmonic distortion caused by a device, such as a conventional telephone, connected to the communication line. The method and apparatus of the present invention has application where a harmonic distortion signal resides in a region of the frequency spectrum that is apart from that of the transmit spectrum.

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