| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology for effectively generating metadata. SOLUTION: In this metadata generation device, a low-level metadata extraction part 120 extracts low-level metadata from content data, and a medium-level metadata extraction part 140 extracts medium-level metadata from the low-level metadata. A beat feature amount analysis part 122 and a time-interval analysis part 124 extract low-level metadata respectively from the same music data 112a. A beat information extraction part 142 and a medium-level music feature amount extraction part 144 extract medium-level metadata respectively from the low-level metadata extracted by the beat feature amount analysis part 122 and the time-interval analysis part 124. COPYRIGHT: (C)2008,JPO&INPIT
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