51
Dijkstra Evert, Hautier Olivier, Destrez Nicolas: System and method for separation of a users voice from ambient sound. Phonak, March 29, 2006: EP1640972-A1 (32 worldwide citation)

The invention relates to a system for separation of a user's voice from ambient sound, comprising a device (10) to be wom at the user's ear or at least partly in the user's ear canal (12) comprising a first microphone (M1) oriented outwardly towards the environment and a second microphone (M2) orien ...


52
Hans Leysieffer, Bernd Waldmann: System for rehabilitation of a hearing disorder. Cochlear, Connolly Bove Lodge & Hutz, May 20, 2008: US07376563 (31 worldwide citation)

A system for rehabilitation of a hearing disorder which comprises at least one acoustic sensor for picking up an acoustic signal and converting it into an electrical audio signal, an electronic signal processing unit for audio signal processing and amplification, an electrical power supply unit whic ...


53
Toshiyuki Kaji, Naomi Yamamoto, Toshihiro Nakane: Audio signal processing device. Kabushiki Kaisha Sega, Finnegan Henderson Farabow Garrett & Dunner L, April 11, 2006: US07027600 (31 worldwide citation)

The audio signal processing device of the present invention arranges objects in a virtual three-dimensional space and generates audio signals by performing, at a prescribed listening position, audio simulation to sounds generated from a prescribed sounding position. This invention is characterized i ...


54
Duane H Cooper, Jerald L Bauck: Head diffraction compensated stereo system. Welsh & Katz, August 4, 1992: US05136651 (30 worldwide citation)

A stereo audio processing system for a stereo audio signal processing reproduction that provides improved source imaging and simulation of desired listening environment acoustics while retaining relative independence of listener movement. The system first utilizes a synthetic or artificial head micr ...


55
Leopold Neumann: Audio signal processing circuit for use in a hearing aid and method for operating same. Analogic Corporation, David W Gomes, July 14, 1987: US04680798 (30 worldwide citation)

In a hearing aid of the type having an electrical amplifier, wherein the improvement provides an audio signal processing circuit incorporated into the amplifier and including integral computing circuitry for controlling the operation thereof; the processing circuit providing circuitry for receiving ...


56
Bernd Girod: Video-assisted audio signal processing system and method. Netergy Microelectronics, November 19, 2002: US06483532 (30 worldwide citation)

A circuit arrangement for controlling audio signal transmissions for a communications system that includes a microphone and a video camera. The arrangement comprises a video processor configured and arranged to receive a video signal from the video camera, detect movement of an object in the video s ...


57
Duane H Cooper, Jerald L Bauck: Head diffraction compensated stereo system with optimal equalization. Welsh & Katz, December 4, 1990: US04975954 (29 worldwide citation)

A stereo audio processing system for a stereo audio signal processing reproduction that provides improved source imaging and simulation of desired listening environment acoustics while retaining relative independence of listener movement. The system first utilizes a synthetic or artificial head micr ...


58
Duane H Cooper, Jerald L Bauck: Head diffraction compensated stereo system. Welsh & Katz, July 23, 1991: US05034983 (29 worldwide citation)

A stereo audio processing system for a stereo audio signal processing reproduction that provides improved source imaging and simulation of desired listening environment acoustics while retaining relative independence of listener movement. The system first utilizes a synthetic or artificial head micr ...


59
Philip Nicholas Cuthbertson Hill, Christopher James Pickard: Audio signal processing. Nixon & Vanderhye P C, February 3, 1998: US05715318 (27 worldwide citation)

An audio signal processing system in which a visual display (15) is arranged to provide a visual representation (16) of a sound generating device (111) a notional listening position and a space in which a perceivable sound source may be located. A visual characteristic of the displayed space is modi ...


60
Duane H Cooper, Jerald L Bauck: Head diffraction compensated stereo system. Welsh & Katz, January 9, 1990: US04893342 (27 worldwide citation)

A stereo audio processing system for a stereo audio signal processing reproduction that provides improved source imaging and simulation of desired listening environment acoustics while retaining relative independence of listener movement. The system first utilizes a synthetic or artificial head micr ...