Inventor
NICHOLLS RICHARD BRENT
US4 patents
Patents
4 patentsUS6138040AOct 24, 2000
Method for suppressing speaker activation in a portable communication device operated in a speakerphone mode
MOTOROLA INC95 citations93
US6223154B1Apr 24, 2001
Using vocoded parameters in a staggered average to provide speakerphone operation based on enhanced speech activity thresholds
MOTOROLA INC49 citations89
US6122531ASep 19, 2000
Method for selectively including leading fricative sounds in a portable communication device operated in a speakerphone mode
MOTOROLA INC38 citations88
US6157906ADec 5, 2000
Method for detecting speech in a vocoded signal
MOTOROLA INC7 citations68