Granted Patent
Utility
US 6,266,638 · App. 09/281,022
Voice quality compensation system for speech synthesis based on unit-selection speech database
Inventor:
Ioannis Stylianou
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Mar 30, 1999
Inventor
Ioannis Stylianou
Assignee (at issue)
AT&T CORP.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.