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Method for feedback recognition in a hearing aid and a hearing aid operating according to the method

  • US 6,404,895 B1
  • Filed: 01/18/2000
  • Issued: 06/11/2002
  • Est. Priority Date: 02/04/1999
  • Status: Expired due to Fees
First Claim
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1. A Method for recognizing feedback in a hearing aid having a signal transmission path between a microphone and an audio transducer, comprising the steps of:

  • (a) determining a frequency band for feedback recognition;

    (b) determining a first signal level of a signal in said frequency band transmitted on said signal transmission path;

    (c) attenuating said signal in said frequency band transmitted on said signal path to obtain an attenuated signal in said frequency band, and determining a second signal level of said attenuated signal; and

    (d) recognizing feedback in said frequency band dependent on a relationship between said first signal level and said second signal level.

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