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Systems and methods for detecting call provenance from call audio

  • US 9,037,113 B2
  • Filed: 06/29/2011
  • Issued: 05/19/2015
  • Est. Priority Date: 06/29/2010
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, for a first call between a plurality of parties at a corresponding plurality of devices, data, received at a first device of the plurality of devices during the first call, representing audio from one or more other devices of the plurality of devices;

    determining, by a computing device, based on the data representing the audio received at the first device, at least one of a noise profile, packet loss characteristics, and speaker-independent artifacts associated with the audio received at the first device; and

    at least one of identifying and verifying uniquely, based on the at least one of the noise profile, packet loss characteristics, and speaker-independent artifacts associated with the audio received at the first device, at least a portion of a path of transmission of the first call between the plurality of devices, wherein the at least one of identifying and verifying uniquely is not dependent on metadata associated with the first call.

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