SOUND LOCALIZATION SYSTEM FOR TELECONFERENCING USING SELF-STEERING MICROPHONE ARRAYS

SOUND LOCALIZATION SYSTEM FOR TELECONFERENCING USING SELF-STEERING MICROPHONE ARRAYS

A teleconferencing system (100) is disclosed having a video camera for generating a video signal representative of a video image of a first station B. A microphone array (150, 160) is also provided in the first station for receiving a sound from one or more fixed non-overlapping volume zones (151-15...

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Hauptverfasser: ADDEO, ERIC JOHN, SHTIRMER, GENNADY, ROBBINS, JOHN DAVID
Format: Patent
Sprache:eng ; fre
Schlagworte:
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PUBLIC ADDRESS SYSTEMS
TELEPHONIC COMMUNICATION
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creator ADDEO, ERIC JOHN
SHTIRMER, GENNADY
ROBBINS, JOHN DAVID
description A teleconferencing system (100) is disclosed having a video camera for generating a video signal representative of a video image of a first station B. A microphone array (150, 160) is also provided in the first station for receiving a sound from one or more fixed non-overlapping volume zones (151-159) into which the first station is divided. The microphone array is also provided for generating a monochannel audio signal (170) representative of the received sound and a direction signal indicating, based on the sound received from each zone, from which of the volume zones the sound originated. The teleconferencing system also includes a display device (120A) at a second station A for displaying a video image of the first station. A loudspeaker control device (140) is also provided at the second station for selecting a virtual location (121) on the displayed video image depending on the direction signal, and for generating stereo sound from the monochannel audio signal which stereo sound emanates from the virtual location on the displayed video image.
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subjects DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PUBLIC ADDRESS SYSTEMS
TELEPHONIC COMMUNICATION
title SOUND LOCALIZATION SYSTEM FOR TELECONFERENCING USING SELF-STEERING MICROPHONE ARRAYS
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