Patent ID: 6980485
Filing Date: 2005-12-27
Classification: G01S,H04N

Abstract:
1. An acoustic tracking system useful for determining the location of a sound producing acoustical source from within a set of at least two user-defined locations, comprising: (a) an array of microphones; (b) a processor coupled to the array of microphones; (c) a set of beamforming parameters calculated by the processor, each beamforming parameter within the set of beamforming parameters being associated with each user-defined location within the set of at least two user-defined locations; (d) a set of modified signals calculated by the processor, each modified signal within the set of modified signals being determined by applying each beamforming parameter within the set of beamforming parameters to the sound received by the array of microphones, wherein one of the modified signals is a best modified signal; and (e) a result location determined by the processor and contained within the set of at least two user-defined locations, the result location being the location associated with the best modified signal.