SPATIALLY CORRELATED AUDIO IN MULTIPOINT VIDEOCONFERENCING

摘要

PROBLEM TO BE SOLVED: To provide audio location perception to an endpoint in a multipoint videoconferencing by providing a plurality of audio streams to the endpoint.

SOLUTION: Audio streams are differentiated so as to emphasize broadcasting of the audio streams through one or more loudspeakers closest to a position of a speaking endpoint in a videoconferencing layout that is displayed at the endpoint. For example, the audio broadcast at a loudspeaker that is at a far-side of the screen might be attenuated or time delayed compared to audio broadcast at a loudspeaker that is located at a near-side of the display. The disclosure also provides a multipoint control unit (MCU) that processes audio signals from two or more endpoints according to the positions in a layout of the endpoints and then transmits processed audio streams to the endpoints.

COPYRIGHT: (C)2009,JPO&INPIT