Method and apparatus for spatially enhancing stereo and...

Method and device for control of a unit for reproduction of...

Method and device for developing a virtual speaker distant...

Method for apparatus for audio matrix decoding

Method for continuously controlling the quality of...

Method for deriving at least three audio signals from two...

Method for expanding an audio mix to fill all available...

Method for improving spatial perception in virtual surround

Method for localization of an acoustic image out of man's...

Method for localizing sound image of reproducing sound of...

Method for measuring the conservation of stereophonic audio...

Method of coding and decoding stereo audio spectral values

Methods and apparatus for providing a distinct perceptual...

Methods and devices for audio upmixing

Monaural to sterephonic sound translation process and apparatus

Multi-channel audio enhancement system for use in recording...

Multi-channel control circuit with d-c operated control devices

Multi-channel sound processing systems

Multi-channel sound simulation system

Multi-channel surround sound mastering and reproduction...