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:
Aug. 28, 2012

Filed:

Dec. 31, 2008
Applicant:

Sung-yong Kim, Yongin-si, KR;

Inventor:

Sung-Yong Kim, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 5/00 (2006.01); G10H 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method to automatically match keys between music being reproduced and music being performed includes detecting a key from an audio signal being reproduced from a storage medium or audio source, detecting a key from a sound signal representing music being played by a user, and performing a transposition by adjusting the key of the audio signal to match the key of the sound signal.


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