Granted Patent
Utility
US 5,577,159 · App. 08/449,184
Time-frequency interpolation with application to low rate speech coding
Inventor:
Yair Shoham
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: May 24, 1995
Inventor
Yair Shoham
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.