Early-late synchronizer having reduced timing jitter

Earphones and microphone (personal speaking device) that do...

Earth station capable of effectively using a frequency band...

Earth station transmission power control system for keeping...

Echo and distortion cancellation arrangement

Echo canceler

Echo canceler and echo path estimating method

Echo canceler and method for learning for the same

Echo canceler e-side speech detector

Echo canceler for homochronous data transmission systems

Echo canceler gain tracker for cellular modems

Echo canceler having adaptive digital filter unit associated...

Echo canceler having simplified calculation circuits

Echo canceler with high-pass filter

Echo canceling method and apparatus for data over cellular

Echo canceling method and apparatus for multiplex line

Echo cancellation

Echo cancellation device with self-deactivation

Echo cancellation in the network for data applications

Echo cancellation in two-wire full-duplex data transmission...