Apparatus and method of estimating echo path delay
Apparatus and method of time delay estimation
Apparatus for removing echo from speech signals with...
Apparatus for sidetone damping
Apparatus of a digital echo canceller and method therefor
Arrangement for communication with a subscriber
Arrangement for suppressing an interfering component of an...
ASR talkoff suppressor
Audio signal processor and method therefor for substantially red
Automatic gain control for an adaptive finite impulse...