Inventor
FUNDERBURK DION M
US6 patents
Patents
6 patentsUS5410595AApr 25, 1995
Apparatus and method for noise reduction for a full-duplex speakerphone or the like
MOTOROLA INC81 citations95
US5309484AMay 3, 1994
Method and apparatus for asynchronous timing recovery using interpolation filter
MOTOROLA INC90 citations94
US5644677AJul 1, 1997
Signal processing system for performing real-time pitch shifting and method therefor
MOTOROLA INC51 citations92
US5392348AFeb 21, 1995
DTMF detection having sample rate decimation and adaptive tone detection
MOTOROLA INC48 citations92
US5249204ASep 28, 1993
Circuit and method for phase error correction in a digital receiver
MOTOROLA INC25 citations92
US5291525AMar 1, 1994
Symmetrically balanced phase and amplitude base band processor for a quadrature receiver
MOTOROLA INC27 citations91