Title:
METHOD AND DEVICE FOR FLATTENING POWER OF MUSICAL SOUND SIGNAL, AND METHOD AND DEVICE FOR DETECTING BEAT TIMING OF MUSICAL PIECE
Document Type and Number:
WIPO Patent Application WO/2020/261497
Kind Code:
A1
Abstract:
A method for flattening power of a musical sound signal, said method being characterized by comprising: determining second values corresponding to respective first values indicating power at a plurality of time points of a musical sound signal each on the basis of the result of a comparison between the present value of the first value and the present value of the second value; and flattening the plurality of first values using the second values corresponding to the plurality of first values, respectively, wherein the second value changes while drawing a predetermined trajectory when, in the result of the comparison, a state where the present value of the second value is larger than the present value of the first value continues.
Inventors:
KUSAKABE SATOSHI (JP)
Application Number:
PCT/JP2019/025669
Publication Date:
December 30, 2020
Filing Date:
June 27, 2019
Export Citation:
Assignee:
ROLAND CORP (JP)
International Classes:
G10G3/04; G10L25/51
Foreign References:
| JP2011039511A | 2011-02-24 |
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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