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. 18, 2014

Filed:

Aug. 06, 2010
Applicants:

Kazuhiro Nakadai, Wako, JP;

Takuma Otsuka, Wako, JP;

Hiroshi Okuno, Wako, JP;

Inventors:

Kazuhiro Nakadai, Wako, JP;

Takuma Otsuka, Wako, JP;

Hiroshi Okuno, Wako, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G04B 13/00 (2006.01); G10H 1/36 (2006.01); G10L 25/90 (2013.01);
U.S. Cl.
CPC ...
G10H 1/361 (2013.01); G10H 2250/235 (2013.01); G10H 2210/066 (2013.01); G10H 2210/076 (2013.01); G10L 25/90 (2013.01);
Abstract

A musical score position estimating device includes an audio signal acquiring unit, a musical score information acquiring unit acquiring musical score information corresponding to an audio signal acquired by the audio signal acquiring unit, an audio signal feature extracting unit extracting a feature amount of the audio signal, a musical score feature extracting unit extracting a feature amount of the musical score information, a beat position estimating unit estimating a beat position of the audio signal, and a matching unit matching the feature amount of the audio signal with the feature amount of the musical score information using the estimated beat position to estimate a position of a portion in the musical score information corresponding to the audio signal.


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