The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 16, 2021

Filed:

Aug. 29, 2017
Applicant:

Alphatheta Corporation, Yokohama, JP;

Inventors:

Hajime Yoshino, Yokohama, JP;

Kei Sakagami, Yokohama, JP;

Toshihisa Sabi, Yokohama, JP;

Assignee:

ALPHATHETA CORPORATION, Yokohama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10H 1/00 (2006.01);
U.S. Cl.
CPC ...
G10H 1/0008 (2013.01); G10H 2210/056 (2013.01); G10H 2210/076 (2013.01);
Abstract

A music piece analyzer includes: a beat-position-acquiring-unit configured to detect beat positions in music piece data; a snare drum detector configured to detect sounding positions of a snare drum in the music piece data; a bass drum detector configured to detect sounding positions of a bass drum in, the music piece data; a one-beat-shift-determination-unit configured to determine whether a bar beginning of the music piece data is shifted by one beat based upon the sounding positions of the snare drum detected by the snare drum detector; a two-beat-shift-determination-unit configured to determine whether the bar beginning of the music piece data is shifted by two beats on a basis of the sounding positions of the bass drum detected by the bass drum detector; and a bar-beginning-setting-unit configured to set the bar beginning of the music piece data on a basis of results determined by the one-beat-shift-determination-unit and the two-beat-shift-determination-unit.


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