Granted Patent
Utility
US 6,691,091 · App. 09/628,376
Method for additive and convolutional noise adaptation in automatic speech recognition using transformed matrices
Inventors:
Christophe Cerisara, Luca Rigazio, Robert Boman, Jean-Claude Junqua
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Jul 31, 2000
Inventors
Christophe Cerisara
Luca Rigazio
Robert Boman
Jean-Claude Junqua
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.