| http://www.w3.org/ns/prov#value | - erformance-related information output device, system including musical performance-related information output device, and electronic musical instrumentUS20110088053 *Oct 9, 2009Apr 14, 2011Morris LeeMethods and apparatus to adjust signature matching results for audience measurement* Cited by examinerClassifications U.S. Classification382/100, 348/461, 725/19, 704/E19.009, 386/E05.004International
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