Information Processing Device and Method, and Prog

专利名称：Information Processing Device and Method,

and Program

发明人：KOBAYASHI, Yoshiyuki申请号：EP06823177.8申请日：20061108公开号：EP1947638B1公开日：20140416

摘要：The present invention relates to an information processing apparatus, method,and program that are capable of analyzing a waveform of a tune involving a modulationwith a reduced operation amount. A beat feature extraction section 41 extracts a featurerelated to a beat from sections of a waveform of a tune involving a modulation, each ofthe sections corresponding to each beat. A beat feature removal section 42 removes aphase component from a frequency component of each feature extracted. Anautocorrelation map generation section 43 generates, based on the features whosephase components have been removed, autocorrelation information representingcorrelation between one section and another section. This enables the waveform of thetune involving a modulation to be analyzed with a reduced operation amount. Thepresent invention is applicable to an information processing apparatus.

申请人：SONY CORP

地址：JP

国籍：JP

代理机构：Berryman, Robert Jan

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