×

Directional based audio response to an external environment emergency signal

  • US 9,397,630 B2
  • Filed: 04/08/2013
  • Issued: 07/19/2016
  • Est. Priority Date: 04/09/2012
  • Status: Active Grant
First Claim
Patent Images

1. A method for processing an audio signal, comprising:

  • selectively attenuating a specific frequency in the audio signal, the specific frequency corresponding to an alarm frequency of an audio emergency warning signal, so that an amplitude of the alarm frequency in the audio signal is attenuated relative to other frequencies in the audio signal;

    selectively attenuating the alarm frequency for each channel of the audio signal; and

    attenuating a low-frequency effects channel of the audio signal to allow a listener to hear the audio emergency warning signal.

View all claims
  • 7 Assignments
Timeline View
Assignment View
    ×
    ×