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Directional hearing enhancement systems

  • US 7,388,962 B2
  • Filed: 04/15/2004
  • Issued: 06/17/2008
  • Est. Priority Date: 04/15/2003
  • Status: Active Grant
First Claim
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1. A hearing enhancement system for a user, comprising:

  • an interface unit that has a directional speaker and a microphone;

    whereinthe microphone receives input audio signals, which are transformed into ultrasonic signals,the speaker transmits the ultrasonic signals,at least a portion of the ultrasonic signals is transformed into output audio signals in air,a portion of the output audio signals is amplified more than another portion to enhance the hearing of the user, andwherein the directional speaker is configured to be spaced apart from at least one of the ears of the user so that at least a portion of the ultrasonic signals is transformed into output audio signals outside the at least one of the ears of the user, to be received by the at least one of the ears of the user.

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