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:
Jul. 16, 2002
Filed:
Oct. 20, 1999
Applicant:
Inventor:
Masayuki Suda, Hamamatsu, JP;
Assignee:
Kabushiki Kaisha Kawai Gakki Seisakusho, Shizuoka-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10L 1/104 ;
U.S. Cl.
CPC ...
G10L 1/104 ;
Abstract
In a pitch shifting method, an input sound signal is stored into a memory, and a period of the input sound signal is extracted. Then, a sawtooth wave is produced whose amplitude is set to a value which is integer times the extracted period. A read address is designated based on the sawtooth wave, and the input sound signal is read from the memory using the designated read address.
Suda, Masayuki. (2002). Pitch shifting apparatus and method (U.S. Patent No. 6421637). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6421637
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile