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Dynamic range analog to digital converter suitable for hearing aid applications

  • US 7,003,126 B2
  • Filed: 11/15/2002
  • Issued: 02/21/2006
  • Est. Priority Date: 11/15/2001
  • Status: Active Grant
First Claim
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1. A digital hearing aid comprising:

  • a first and second analog-to-digital converter, wherein the first analog-to-digital converter is a low-amplitude analog-to-digital converter, and the second analog-to-digital converter is a high-amplitude analog-to-digital convert; and

    a digital signal processor that uses a first bit string from the first analog-to-digital converter when an input is below an amplitude level, and a second bit string from the second analog-to-digital converter when the input is above an amplitude level.

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