Adaptive cancellation network system and method for digital...

Anti-howling structure

Band-by-band full duplex communication

Call control of ancillary telecommunications equipment using...

Communication system

Computer apparatus having a multiway acoustic output and...

Conference terminal with echo reduction for a voice...

Control of echo cancellers in a telecommunication system

Controlling echo cancellation

Double talk activity detector and method for an echo...

Dynamic allocation of resources for echo cancellation

Dynamic balance control for telephone

Echo canceler and double-talk detector for use in a...

Echo processing apparatus

Interaction between echo canceller and packet voice processing

Intra-call control of ancillary telecommunications equipment

Method and apparatus for echo cancellation with...

Method and apparatus for infinite return loss handler for...

Method and apparatus for performing echo cancellation

Method for adaptive control of multichannel acoustic echo...