Inventor
CHANG CHIENCHUNG
US27 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHIENCHUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
22 patentsUS5956683ASep 21, 1999
Distributed voice recognition system
QUALCOMM INC324 citations99
US6594628B1Jul 15, 2003
Distributed voice recognition system
QUALCOMM INC79 citations98
US6411926B1Jun 25, 2002
Distributed voice recognition system
QUALCOMM INC85 citations98
US6324509B1Nov 27, 2001
Method and apparatus for accurate endpointing of speech in the presence of noise
QUALCOMM INC100 citations98
US6449496B1Sep 10, 2002
Voice recognition user interface for telephone handsets
QUALCOMM INC183 citations97
US6330247B1Dec 11, 2001
Communication protocol between a communication device and an external accessory
QUALCOMM INC135 citations94
US5784532AJul 21, 1998
Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system
QUALCOMM INC47 citations94
US5727123AMar 10, 1998
Block normalization processor
QUALCOMM INC54 citations94
US6278972B1Aug 21, 2001
System and method for segmentation and recognition of speech signals
QUALCOMM INC31 citations93
US6836758B2Dec 28, 2004
System and method for hybrid voice recognition
QUALCOMM INC31 citations92
US6226607B1May 1, 2001
Method and apparatus for eighth-rate random number generation for speech coders
QUALCOMM INC29 citations92
US6941265B2Sep 6, 2005
Voice recognition system method and apparatus
QUALCOMM INC23 citations88
US7024359B2Apr 4, 2006
Distributed voice recognition system using acoustic feature vector modification
QUALCOMM INC41 citations87
US7873224B2Jan 18, 2011
Enhanced image/video quality through artifact evaluation
QUALCOMM INC14 citations84
US7328159B2Feb 5, 2008
Interactive speech recognition apparatus and method with conditioned voice prompts
QUALCOMM INC10 citations84
US6574596B2Jun 3, 2003
Voice recognition rejection scheme
QUALCOMM INC14 citations84
US7940844B2May 10, 2011
Video encoding and decoding techniques
QUALCOMM INC20 citations82
US7817717B2Oct 19, 2010
Motion estimation techniques for video encoding
QUALCOMM INC14 citations82
US7515634B2Apr 7, 2009
Computationally constrained video encoding
QUALCOMM INC7 citations74
US7359559B2Apr 15, 2008
Video encoding techniques
QUALCOMM INC5 citations72
US7039246B2May 2, 2006
Video encoding techniques
QUALCOMM INC8 citations72
US10474145B2Nov 12, 2019
System and method of depth sensor activation
QUALCOMM INC1 citations62