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Headphone audio enhancement system

  • US 10,284,955 B2
  • Filed: 12/20/2017
  • Issued: 05/07/2019
  • Est. Priority Date: 05/23/2013
  • Status: Active Grant
First Claim
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1. A method for audio enhancement, the method comprising:

  • under control of a hardware processor;

    receiving a difference signal obtained from left and right audio inputs;

    applying a gain to the difference signal to obtain a gained output;

    applying a notch filter to the difference signal to produce a filtered difference signal; and

    summing the gained output and the filtered difference signal to produce a spatially enhanced signal.

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