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ALWAYS ON HEADWEAR RECORDING SYSTEM

  • US 20080253583A1
  • Filed: 04/09/2008
  • Published: 10/16/2008
  • Est. Priority Date: 04/09/2007
  • Status: Active Grant
First Claim
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1. An Always-On Recording System (AORS) comprising:

  • an acoustic monitoring assembly configured to monitor the acoustic field in a users immediate environment using an Ambient Sound Microphone (ASM) to monitor sound at an occluded ear canal;

    a signal processing circuit operatively connected to the assembly, where the signal processing circuit is configured to amplify an ASM signal from the ASM and to equalize for the frequency sensitivity of the ASM;

    an acoustic field monitoring assembly configured to monitor the acoustic field in the occluded ear canal, comprising an ear canal microphone (ECM) mounted in an earpiece that forms an acoustic seal of the occluded ear canal;

    a signal processing circuit configured to amplify an ECM signal from the ECM and to equalize for the frequency sensitivity of the ECM; and

    a data storage device configured to act as a circular buffer for constantly storing at least one of ECM signal and ASM signal.

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