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Systems and methods for delivering directional audio and personalized emergency alerts via addressable speakers

  • US 8,229,131 B2
  • Filed: 10/04/2007
  • Issued: 07/24/2012
  • Est. Priority Date: 10/04/2007
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a plurality of addressable speakers organized as a public address system to inject verbal messages into a region of interest;

    a control unit, coupled to the addressable speakers, the control unit including circuitry, responsive to a detected alarm condition, that evaluates a plurality of non-linear escape routes from the alarm condition, a selected non-linear route is audibly communicated via at least some members of the plurality and an audio input transducer coupled to the control unit, wherein the control unit communicates a location of the selected non-linear route by automatically selecting the at least some members of the plurality of speakers one at a time along the selected non-linear route to output verbal messages from the audio input transducer.

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