System and method for echo cancellation

System and method for enhanced subjective stereo audio

System and method for enhanced subjective stereo audio

System and method for filtering echo/NEXT signal interferrence

System and method for near-end talker detection by spectrum...

System and method for performing echo cancellation for...

System and method for updating filter coefficients and echo...

System and method of using two coefficient banks in an...

System and process for regression-based residual acoustic...

Systems and methods for echo cancellation with arbitrary...

Systems and methods for far-end noise reduction and near-end...

Telephone apparatus with howling prevention function

Telephone echo canceller

Telephonic handset employing feed-forward noise cancellation

Tone clamping and replacement

Tone responsible disabler circuit for an echo canceller

Two-step algorithm for training an echo cancellation filter

Two-step algorithm for training an echo cancellation filter

Ultrasonically-calibrated fast-start echo canceller for...

VC-to-DTMF interfacing system and method