Digital sound processing system for a vehicle

  • US 7,853,026 B2
  • Filed: 05/28/2009
  • Issued: 12/14/2010
  • Est. Priority Date: 04/08/1998
  • Status: Expired due to Fees
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First Claim
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1. A digital sound processing system suitable for use in a vehicle, said digital sound processing system comprising:

  • an interior rearview mirror assembly;

    wherein said interior rearview mirror assembly comprises a mirror casing having a reflective element disposed thereat;

    wherein said interior rearview mirror assembly includes at least one microphone;

    wherein said at least one microphone is located at a location chosen from the group consisting of a rear portion of said mirror casing, a bezel portion of said mirror casing, a side portion of said mirror casing, an upper portion of said mirror casing, and a lower portion of said mirror casing;

    wherein said at least one microphone generates at least one signal indicative of a vocal input with vehicle cabin noise included therewith;

    a digital signal processor; and

    said digital signal processor processing said at least one signal and providing an output signal with reduced vehicle cabin noise.

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