Automatic gain control for an adaptive finite impulse...

Base band echo cancellation using laguerre echo estimation

Circuit configuration for two-wire/four-wire conversion

Combined parallel adaptive equalizer/echo canceller

Communication system for controlling training of echo...

Controlling attenuation during echo suppression

Device and method for carrying out multichannel acoustic...

Device and method for processing audio signals and...

Double talk, NLP and comfort noise

Double-talk detection

Double-talk detector

Double-talk detector suitable for a telephone-enabled PC

Dual echo canceller with fast reflector identification

Dynamic attenuation method and apparatus for optimizing...

Echo and noise cancellation

Echo canceler adaptive filter optimization

Echo canceler and echo canceling method

Echo canceler and echo canceling method

Echo canceler circuit and method

Echo canceler compensating for amplifier saturation and echo...