Granted Patent
Utility
US 5,937,374 · App. 08/647,843
System and method for improved pitch estimation which performs first formant energy removal for a frame using coefficients from a prior frame
Inventors:
John G. Bartkowiak, Mark A. Ireton
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: May 15, 1996
Inventors
John G. Bartkowiak
Mark A. Ireton
Assignee (at issue)
Advanced Micro Devices, Inc.
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.