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:
Oct. 21, 1997

Filed:

Mar. 15, 1996
Applicant:
Inventors:

Sanpei Asai, Ohta-ku, JP;

Yoshiyuki Akiba, Ohta-ku, JP;

Masuhiro Sato, Ohta-ku, JP;

Makoto Takanashi, Ohta-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63H / ; G04B / ; G10H / ;
U.S. Cl.
CPC ...
84609 ; 84619 ; 84645 ;
Abstract

A music reproduction control apparatus includes: a first storing unit for storing main-digital data; a second storing unit for storing sub-digital data; a first reproducing unit for reproducing main-sound based on the stored main-digital data; a second reproducing unit for reproducing sub-sound based on the stored sub-digital data; a receiving unit for receiving an input signal; a first changing unit for changing a reproducing speed of the first reproducing unit based on the received input signal; a second changing unit for changing a reproducing speed of the second reproducing unit based on the received input signal; a correcting unit for correcting a key of the sub-sound in accordance with a change in the reproducing speed of the second reproducing unit; and a synchronizing unit for synchronizing a timing of changing the reproducing speed of the first reproducing unit with a timing of changing the reproducing speed of the second reproducing unit.


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