41
Oh Eun Mi, Kim Sang Wook, Lee Sang Jo, Kim Mi Young: Apparatus and method for processing audio signal and computer readable recording medium storing computer program for the method. Samsung Electronics, September 8, 2004: EP1455504-A2 (33 worldwide citation)

An audio signal processing apparatus and method and a computer readable recording medium storing a computer program for the method are provided. The audio signal processing apparatus includes: an input unit that receives the audio signal; and a signal processing unit that processes the audio signal ...


42
Robert L Brennan, Edward Chau, Hamid Sheikhzadeh Nadjar, Todd Schneider: Directional audio signal processing using an oversampled filterbank. DSPFactory, Daniel J Santos, April 15, 2008: US07359520 (32 worldwide citation)

A directional signal processing system for beamforming information signals. The system includes an oversampled filterbank, which has an analysis filterbank for transforming the information signals in time domain into channel signals in transform domain, a synthesis filterbank and a signal processor. ...


43
David E Blackmer: Detection and monitoring device. DBX, Schiller and Pandiscio, January 8, 1980: US04182930 (32 worldwide citation)

An improved audio signal processing system synthesizes from an audio signal, an enhanced audio signal by sensing signal energy of the audio signal within a preselected frequency portion of the audio signal, dividing the sensed signal energy into a plurality of discrete bands according to the frequen ...


44
J Richard Aylward, Erik E Anderson: Audio signal processing. May 8, 2012: US08175292 (31 worldwide citation)

A method for processing and transducing audio signals. An audio system has a first audio signal and a second audio signal that have amplitudes. A method for processing the audio signals includes dividing the first audio signal into a first spectral band signal and a second spectral band signal; scal ...


45
Wei Han Liu, Hsiao Yu Han: Audio signal processing apparatus and audio signal processing method. Mediatek, Winston Hsu, Scott Margo, October 7, 2014: US08855319 (31 worldwide citation)

An audio signal processing apparatus and an audio signal processing method are provide. The audio signal processing apparatus comprises: a plurality of individual audio interfaces, an audio signal processing unit, and an audio channel splitting unit. The audio signal processing unit is utilized for ...


46
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 ...


47
Dijkstra Evert, Hautier Olivier, Destrez Nicolas: System and method for separation of a users voice from ambient sound. Phonak, March 29, 2006: EP1640972-A1 (30 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 ...


48
Hisashi Kihara, Shinjiro Kato, Fumio Tamura, Shuichi Mori: Digital audio signal processing apparatus. Pioneer Electronic Corporation, Perman & Green, May 11, 1993: US05210806 (29 worldwide citation)

Disclosed herein is a digital audio signal processing apparatus of a type wherein a graphic equalizer including a plurality of filters connected in series to one another is subjected to arithmetic operation processing to be defined to thereby output the result of its processing as data therefrom. Wh ...


49
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 (29 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 ...


50
Duane H Cooper, Jerald L Bauck: Head diffraction compensated stereo system. Welsh & Katz, August 4, 1992: US05136651 (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 ...



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