Interior rearview mirror system for vehicle

  • US 10,144,355 B2
  • Filed: 03/07/2016
  • Issued: 12/04/2018
  • Est. Priority Date: 11/24/1999
  • Status: Expired due to Term
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First Claim
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1. An interior rearview mirror system suitable for use in a vehicle, said interior rearview mirror system comprising:

  • an interior rearview mirror assembly comprising a mirror head;

    wherein said mirror head comprises a reflective element;

    wherein said reflective element comprises at least one transparent substrate with a mirror reflector disposed at a surface thereof;

    wherein said mirror head comprises a first microphone operable to generate a first audio signal;

    wherein said mirror head comprises a second microphone operable to generate a second audio signal;

    an audio sound processor, wherein said audio sound processor is operable to process said first and second audio signals to enhance human voice to noise clarity;

    wherein, responsive to processing by said audio sound processor of said first and second audio signals, an audio output is generated that, at least in part, distinguishes a human voice present in the vehicle from noise present in the vehicle;

    wherein said audio output comprises an input to an audio system of the vehicle that transmits wirelessly to a remote receiver; and

    wherein processing by said audio signal processor of said first and second audio signals to enhance human voice to noise clarity utilizes electronic noise cancelation.

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