Method and apparatus for encoding voice signals

Method and apparatus for enhancing auditory spatial perception

Method and apparatus for enhancing the quality of sound from ele

Method and apparatus for enhancing the stereo effect in headsets

Method and apparatus for erasing acoustic echo

Method and apparatus for error masking in multi-channel...

Method and apparatus for evaluating audio distortion

Method and apparatus for evaluating noise level on a telephone c

Method and apparatus for expanding band of audio signal

Method and apparatus for extending band of audio signal...

Method and apparatus for extracting a component signal from...

Method and apparatus for extracting information-bearing portions

Method and apparatus for extracting isolated speech word

Method and apparatus for extracting speech pitch

Method and apparatus for feedback reduction in acoustic...

Method and apparatus for filtering an audio signal

Method and apparatus for filtering and compressing sound...

Method and apparatus for frame-based loudspeaker equalization

Method and apparatus for frequency analysis of telephone signals

Method and apparatus for generating a multi-channel signal from