Echo canceller employing dual-H architecture having improved...
Echo canceller employing dual-H architecture having variable...
Echo canceller for a full-duplex communication system and...
Echo canceller having improved non-linear processor
Echo canceller with interference-level controlled step size
Echo canceller with reduced requirement for processing power
Echo detection and monitoring
Echo path change detection using dual sparse filtering
Echo suppression and echo cancellation
Echo-canceler for precoded fractionally spaced receiver...
Efficient echo cancellation techniques
Estimating bulk delay in a telephone system
Estimation method and apparatus