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AMBIENT NOISE-REDUCTION CONTROL SYSTEM

  • US 20090034748A1
  • Filed: 03/28/2007
  • Published: 02/05/2009
  • Est. Priority Date: 04/01/2006
  • Status: Abandoned Application
First Claim
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1. A noise reduction control system for an ear-worn speaker-carrying device (“

  • ESD”

    ) comprising means for sensing ambient noise on its way towards an ear of a wearer of the ESD, for developing electrical signals indicative of said noise and for utilising said signals to reduce the amount of said ambient noise audible to a wearer of the ESD, and control means for setting a plurality of predetermined and discrete levels for said reduction;

    said control means further comprising response means for automatically responding to at least one controlling event, outside the control of said wearer, to set the degree of said reduction to a preselected one of said discrete levels.

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