51
Duane H Cooper, Jerald L Bauck: Head diffraction compensated stereo system with optimal equalization. Welsh & Katz, December 4, 1990: US04975954 (28 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 ...


52
Duane H Cooper, Jerald L Bauck: Head diffraction compensated stereo system. Welsh & Katz, July 23, 1991: US05034983 (28 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 ...


53
Toshiyuki Kaji, Naomi Yamamoto, Toshihiro Nakane: Audio signal processing device. Kabushiki Kaisha Sega, Finnegan Henderson Farabow Garrett & Dunner L, April 11, 2006: US07027600 (28 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
Yasuyuki Kino: Sound measuring apparatus and method, and audio signal processing apparatus. Sony Corporation, Wolf Greenfield & Sacks P C, May 24, 2011: US07949140 (27 worldwide citation)

A sound measuring apparatus for measuring a sound-arrival delay time from a speaker to a microphone on the basis of a result obtained by outputting a test signal from the speaker and picking up the test signal using the microphone includes the following elements. A control unit performs control so t ...


55
Tanaka Yoshiaki, Ueno Shoji, Fuchigami Norihiko: Audio signal processing apparatus. Victor Company of Japan, May 17, 2000: EP1001549-A2 (27 worldwide citation)

An audio signal encoding apparatus includes a device for compressing multiple-channel digital audio signals into compression-resultant multiple-channel signals respectively. The multiple-channel digital audio signals relate to a sampling frequency and a quantization bit number. The compression-resul ...


56
Bernd Girod: Video-assisted audio signal processing system and method. Netergy Microelectronics, November 19, 2002: US06483532 (27 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
Norihiko Fuchigami, Shoji Ueno, Yoshiaki Tanaka: Audio signal processing apparatus. Victor Company of Japan, Louis Woo, October 8, 2002: US06463410 (26 worldwide citation)

In an audio signal encoding apparatus, a first audio signal and a second audio signal are added into an addition-result signal. The first audio signal is subtracted from the second audio signal to generate a subtraction-result signal. A first difference signal is generated which represents a differe ...


58
Philip Nicholas Cuthbertson Hill, Christopher James Pickard: Audio signal processing. Nixon & Vanderhye P C, February 3, 1998: US05715318 (25 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 ...


59
Michael H Kuhn, Herbert Piotrowski, Rudolf Geppert: Method of and arrangement for controlling the gain of an amplifier. U S Philips Corporation, Thomas A Briody, William J Streeter, Edward W Goodman, September 24, 1985: US04543537 (25 worldwide citation)

For processing a signal applied to an input of audio signal processing devices, for example a speech signal received via a microphone (2) in a speaker-identification or speech recognition system, the signal must have a specific level. For this purpose the signal is applied via an amplifier (4) with ...


60
Duane H Cooper, Jerald L Bauck: Head diffraction compensated stereo system. Welsh & Katz, January 9, 1990: US04893342 (24 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 ...



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