51
Benjelloun Touimi Abdellatif, Boisseau Cedric, Lamblin Claude, Bouteille Frank, Deleam David, Patard Roland: Methode et dispositif de traitement dune pluralite de flux binaires audio. France Telecom, August 9, 2002: FR2820573-A1 (27 worldwide citation)

The invention relates to an audio signal processing device that can receive numerous input audio streams and supply at least one output audio stream from said input audio streams. At least one of said input audio streams, called the first stream, may have missing data. Said device comprises means fo ...


52
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 ...


53
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 ...


54
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 ...


55
Bernd Girod: Video-assisted audio signal processing system and method. Netergy Microelectronics, November 19, 2002: US06483532 (25 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 ...


56
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 ...


57
Mark R Anderson, John A Andrews: Supply voltage responsive audible transient (POP) suppression arrangement. Thomson Consumer Electronics, Joseph S Tripoli, Peter M Emanuel, March 30, 1993: US05199079 (24 worldwide citation)

An audio signal processing channel includes a bias network for deriving a bias voltage which is coupled to a point within the channel from the supply voltage. In order to inhibit audible transients or "pops" due to the rapid reduction of the bias voltage when the voltage supply is deenergized, a dio ...


58
Burkhard Mahlon D, Peters Richard W: Digital delay system for audio signal processing. Industrial Research Products, August 1, 1972: US3681531 (24 worldwide citation)

A plural sound delay system for use in sound reinforcement in auditoria and in other applications, comprising a digital encoding system for converting an analog audio signal to digital form, a progressive digital data store for storing the digital signal, plural readout means for reading data from t ...


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 (23 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
Hans Leysieffer, Bernd Waldmann: System for rehabilitation of a hearing disorder. Cochlear, Connolly Bove Lodge & Hutz, May 20, 2008: US07376563 (22 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 ...



Click the thumbnails below to visualize the patent trend.