AUTOMATIC SHEET MUSIC DETECTION METHOD AND DEVICE

WIPO Patent Application WO/2018/207936

A1

[Problem] To specify which position on sheet music is currently played. [Solution] A sound source analysis server 102 is provided with: a music score data receiving module 205 which receives playing data in which a play based on a music score displayed on a terminal 111 is recorded through a microphone or the like, and receives, from a music score management server 101, music score data; a synchronization acquisition module 206 which acquires a synchronization between the playing data and the music score data according to a synchronization acquisition scheme of the present embodiment; and a conversion table output module 207 which creates, according to the synchronized result, a measure time conversion table by means of the sound source to output the same to the music score management server 101.

YAMADA MAKOTO (JP)
NISHIGUCHI MASAYUKI (JP)
ABE KOJI (JP)

PCT/JP2018/018426

November 15, 2018

May 11, 2018

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DESIGN M PLUS INC (JP)

G10G1/00; G10H1/00; G09B15/00

JPH0736455A	1995-02-07
JP2003223166A	2003-08-08
JP2002006835A	2002-01-11
JP2000231379A	2000-08-22

TURETSKY, R. J. ET AL.: "Ground-Truth Transcriptions of Real Music from Force-Aligned MIDI Syntheses", PROC. ISMIR 2003, October 2003 (2003-10-01), XP055186954
SOULEZ, F. ET AL.: "Improving Polyphonic and Poly- Instrumental Music to Score Alignment", PROC. ISMIR 2003, October 2003 (2003-10-01), XP055186967
HU , N. ET AL.: "Polyphonic Audio Matching and Alignment for Music Retrieval", PROC. WASPAA ' 03, October 2003 (2003-10-01), pages 185 - 188, XP010697933

ICHIHARA Masaki (JP)

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