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:
May. 27, 2008
Filed:
Jul. 03, 2003
Hideki Kemmochi, Shizuoka, JP;
Hideki Kemmochi, Shizuoka, JP;
Yamaha Corporation, Hamamatsu-shi, JP;
Abstract
Voice synthesis unit data stored in a phoneme databaseis selected by a voice synthesis unit selectorin accordance with MIDI information stored in a performance data storage unit. Characteristic parameters are derived from the selected voice synthesis unit data. A characteristic parameter correction unitcorrects the characteristic parameters based on pitch information, etc. A spectrum envelope generating unitgenerates a spectrum envelope in accordance with the corrected characteristic parameter. A timbre transformation unitchanges timbre by correcting the characteristic parameters in accordance with timbre transformation parameters in a time axis. Timbres in the same song position can be transformed into different arbitrary timbres respectively; therefore, the synthesized singing voice will be rich in variety and reality.