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Audio system

  • US 9,275,626 B2
  • Filed: 05/03/2013
  • Issued: 03/01/2016
  • Est. Priority Date: 05/04/2012
  • Status: Active Grant
First Claim
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1. An audio system comprising:

  • a headset comprising a pair of earpieces positionable with respect to a user'"'"'s ears so that, in use, the user is inhibited from hearing sounds from the user'"'"'s environment, at least one of the earpieces having a transducer for reproducing sounds from an input audio signal;

    a microphone for generating a captured audio signal representing captured sounds from the user'"'"'s environment;

    a first detector for detecting the presence of any of a set of one or more characteristic sounds in the captured audio signal;

    a controller operable to transmit sounds from the user'"'"'s environment to the user in response to a detection that one or more of the set of characteristic sounds is present in the captured audio signal;

    a camera positioned apart from the headset so as to capture images of the headset; and

    an object detector being configured to detect, from images captured by the camera, an object approaching the headset wearer'"'"'s head.

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