Patent ID: 6091826
Filing Date: 2000-07-18
Classification: H04R,H04S

Abstract:
A sound reproduction system for a large space, comprising:a plurality of loudspeaker units in different locations in said space;an information source common to said loudspeaker units operable to supply the loudspeaker units with information to be transmitted by said loudspeaker units;a monitoring device in at least one of said loudspeaker units operable to monitor for the presence of at least one person;a sending device operable to send from the at least one loudspeaker unit to the information source a message containing information regarding a result of said monitoring;wherein said information source is operable to send, in response to said message, a reply message to the loudspeaker unit containing information to be transmitted by said loudspeaker unit, wherein said information to be transmitted is dependent on said results of said monitoring; andwherein said at least one of said loudspeaker units is operable to determine an identity of at least one person in a vicinity of said loudspeaker unit.