The disclosed method provides audio location perception to an endpoint in a multipoint videoconference by providing a plurality of audio streams to the endpoint, wherein each of the audio streams corresponds to one of the loudspeakers at the endpoint. The audio streams are differentiated so as to emphasize...http://www.google.com/patents/US7612793?utm_source=gb-gplus-sharePatent US7612793 - Spatially correlated audio in multipoint videoconferencing
