Patent · US Expired

Music similarity function based on signal analysis

US7031980B2 · kind B2 · utility

57Cited by
6References
48Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 2001
Grant dateApr 18, 2006
Priority date
Expiry dateMay 12, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S707/99948
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention computer method and apparatus determines music similarity by generating a K-means (instead of Gaussian) cluster signature and a beat signature for each piece of music. The beat of the music is included in the subsequent distance measurement.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.