Granted Patent
Utility
US 5,459,814 · App. 08/038,734
Voice activity detector for speech signals in variable background noise
Inventors:
Prabhat K. Gupta, Shrirang Jangi, Allan Lamkin, W. Robert Kepley, III, Adrian Morris
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Mar 26, 1993
Inventors
Prabhat K. Gupta
Shrirang Jangi
Allan Lamkin
W. Robert Kepley, III
Adrian Morris
Assignee (at issue)
Hughes Aircraft Company
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.