Methods and Apparatus for Generating Signatures
First Claim
1. A method for generating signatures, comprising:
- obtaining a first frame of media samples;
identifying a first frequency component having a first spectral power and a second frequency component having a second spectral power by performing a spectral transform operation on the first frame of media samples;
determining a first descriptor of the first frame of media samples based on a comparison of the first spectral power and the second spectral power; and
generating a first signature based on the first descriptor.
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Accused Products
Abstract
Methods, apparatus, and articles of manufacture for media monitoring are disclosed. In particular, the example methods, apparatus, and articles of manufacture generate digital spectral signatures for use in identifying media information. Initially, a frame of media samples is obtained. A first frequency component having a first spectral power and a second frequency component having a second spectral power are identified by performing a spectral transform operation on the frame of media samples. A descriptor of the first frame of media samples is determined based on a comparison of the first spectral power and the second spectral power. A first signature is then generated based on the descriptor.
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Citations
30 Claims
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1. A method for generating signatures, comprising:
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obtaining a first frame of media samples;
identifying a first frequency component having a first spectral power and a second frequency component having a second spectral power by performing a spectral transform operation on the first frame of media samples;
determining a first descriptor of the first frame of media samples based on a comparison of the first spectral power and the second spectral power; and
generating a first signature based on the first descriptor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 11)
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10. (canceled)
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12. An apparatus for generating signatures, comprising:
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a processor system including a memory; and
instructions stored in the memory that enable the processor system to;
obtain a first frame of media samples;
identify a first frequency component having a first spectral power and a second frequency component having a second spectral power by performing a spectral transform operation on the first frame of media samples;
determine a first descriptor of the first frame of media samples based on a comparison of the first spectral power and the second spectral power; and
generate a first signature based on the first descriptor. - View Dependent Claims (13, 14, 16, 17, 18)
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15. (canceled)
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19-22. -22. (canceled)
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23. A machine accessible medium having instructions stored thereon that, when executed, cause a machine to:
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obtain a first frame of media samples;
identify a first frequency component having a first spectral power and a second frequency component having a second spectral power by performing a spectral transform operation on the first frame of media samples;
determine a first descriptor of the first frame of media samples based on a comparison of the first spectral power and the second spectral power; and
generate a first signature based on the first descriptor. - View Dependent Claims (27, 28, 29)
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24-26. -26. (canceled)
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30-117. -117. (canceled)
Specification