Title:
MUSICAL PIECE ANALYSIS DEVICE, PROGRAM, AND MUSICAL PIECE ANALYSIS METHOD
Document Type and Number:
WIPO Patent Application WO/2020/255214
Kind Code:
A1
Abstract:
A musical piece analysis device (100) is provided with: a key candidate determination unit (120) that determines a plurality of key candidates (121) by analyzing musical piece data (111); and a key selection unit (130) that, regarding one key extracted from the plurality of key candidates (121), performs, on each of the plurality of key candidates (121), processing for detecting keys corresponding to related keys when the one key is defined as a keynote from the remaining keys of the plurality of key candidates (121), and selects the key of a musical piece from the plurality of key candidates (121) in accordance with a related key score calculated according to the number of keys corresponding to the related keys.
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Inventors:
SUZUKI SHIRO (JP)
SABI TOSHIHISA (JP)
SABI TOSHIHISA (JP)
Application Number:
PCT/JP2019/023929
Publication Date:
December 24, 2020
Filing Date:
June 17, 2019
Export Citation:
Assignee:
ALPHATHETA CORP (JP)
International Classes:
G10L25/51; G10G3/04; G10H1/38
Domestic Patent References:
| WO2010137074A1 | 2010-12-02 |
Foreign References:
| JPH05273976A | 1993-10-22 |
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
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