Television – Two-way video and voice communication – User positioning
Patent
1993-01-12
1994-08-02
Chan, Wing F.
Television
Two-way video and voice communication
User positioning
379206, 381 2, H04M 1100, H04N 712
Patent
active
053350111
ABSTRACT:
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, 152, 153, 154, 155, 156, 157, 158, 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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Addeo Eric J.
Robbins John D.
Shtirmer Gennady
Bell Communications Research Inc.
Chan Wing F.
Suchyta Leonard Charles
Yeadon Loria B.
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