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System and method for processing protected audio information

  • US 20050060268A1
  • Filed: 10/20/2004
  • Published: 03/17/2005
  • Est. Priority Date: 12/15/1992
  • Status: Active Grant
First Claim
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1. An audio processor comprising:

  • a first receiver effective to receive audio information;

    a processor effective to process the received audio information;

    a generator effective to generate a first identifier, the first identifier being based at least in part on one or more characteristics of the audio processor;

    a transmitter effective to transmit the first identifier to a licensing processor;

    a second receiver effective to receive a generated password based at least in part on the first identifier, the generated password generated using a technique which does not require any additional information that is characteristic of the audio processor; and

    means for using the generated password to control access to at least one of the received audio information and the processed audio information.

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