Patent ID: 7130430
Filing Date: 2006-10-31
Classification: H04R,H04S

Abstract:
1. A speaker system for producing localized regions of sound comprising: a multiplicity of audio frequency speakers; at least one defined sound target spaced from each of the speakers of the multiplicity of speakers, wherein each speaker has a means for applying a time varying audio drive voltage which is substantially identical, except that each audio drive voltage is offset in time by an amount which is related to the distance between each speaker and the defined sound target, so that substantially identical sound from each speaker reaches the sound target at the same time; wherein the speakers are arranged in a single plane; further comprising a room having a ceiling, and wherein the speakers are mounted to the ceiling; and wherein each of the multiplicity of audio frequency speakers is formed as part of a ceiling panel which can be joined to a further ceiling and panel, to communicate power and data between said ceiling panel and said further ceiling panel.