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.
Patent No.:
Date of Patent:
Nov. 15, 2016
Filed:
Sep. 16, 2011
Applicants:
Takashi Matsumoto, Ota, JP;
Akira Hattori, Yokohama, JP;
Ichiro Sugai, Kawasaki, JP;
Inventors:
Assignee:
PIONEER DJ CORPORATION, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03G 3/04 (2006.01); H03G 3/20 (2006.01); G10H 5/00 (2006.01); G10D 13/02 (2006.01); G10H 1/00 (2006.01); G10H 1/12 (2006.01); G10H 3/14 (2006.01); H03G 5/02 (2006.01);
U.S. Cl.
CPC ...
H03G 3/20 (2013.01); G10D 13/02 (2013.01); G10H 1/0008 (2013.01); G10H 1/125 (2013.01); G10H 3/146 (2013.01); G10H 5/005 (2013.01); G10H 2210/051 (2013.01); G10H 2210/056 (2013.01); G10H 2210/321 (2013.01); G10H 2230/291 (2013.01); G10H 2250/025 (2013.01); G10H 2250/435 (2013.01); H03G 5/02 (2013.01);
Abstract
The disclosed apparatus extracts particular instrument sounds included in music in real time during music reproduction. The audio processing sectionhas an attack decision sectionthat decides attack positions of the bass drum sounds in audio signals, a bass drum sounds decision sectionthat decides sound periods of the bass drum in the audio signals, and a bass drum sounds extraction sectionthat extracts bass drum sounds using a time varying type filter for the attack positions and an adaptive type filter for the sound periods.