×

Method and apparatus for identifying an unknown work

  • US 6,968,337 B2
  • Filed: 07/09/2002
  • Issued: 11/22/2005
  • Est. Priority Date: 07/10/2001
  • Status: Active Grant
First Claim
Patent Images

1. A method for determining an identity of a received work comprising:

  • receiving audio data for an unknown work;

    dividing said audio data into a plurality of segments;

    generating a plurality of signatures of said unknown work wherein each signature is generated from one of said plurality of segments;

    generating a plurality of reduced dimension signatures of said unknown works wherein each of said plurality of reduced dimension signatures is generated from one of at least a portion of said plurality of signatures;

    comparing said plurality of reduced dimension signatures to at least one reduced dimension signature for each one of a portion of a plurality of known works having a record stored in a works database wherein each record includes an identification of said work and at least one signature of said work;

    determining a list of candidates from said plurality of known works responsive to said comparisons;

    comparing said plurality of signatures to at least a portion of said plurality of signatures of each of said plurality of known works in said list of candidates;

    determining one of said plurality of known works in said list of candidates that matches said unknown work from said comparison; and

    identifying said unknown work as said one of said plurality of known works that matches said unknown work.

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