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Spatial comfort noise

  • US 10,224,046 B2
  • Filed: 03/04/2014
  • Issued: 03/05/2019
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. A method, in a receiving endpoint of a conference system, of providing spatial comfort noise, the method comprising:

  • receiving one or more audio signals for rendering at the receiving endpoint over a network connection to a server;

    generating one or more noise signals;

    adjusting the one or more noise signals to modified noise signals that have target spectral characteristics typical of comfort noise;

    adjusting the modified noise signals to form a plurality of spatial comfort noise signals having at least one spatial property that at least substantially matches at least one target spatial property, the adjusting the modified noise signals comprising converting the one or more noise signals to a soundfield format;

    combining the received audio signals with the plurality of spatial comfort noise signals; and

    rendering the spatial comfort noise signals to a set of output signals for loudspeakers to be heard by one or more conferees at the receiving endpoint, wherein the rendering renders the combination of the received audio signals and the spatial comfort noise signals to the set of output signals for loudspeakers.

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