Inventor
TAKAMIZAWA YUICHIRO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “TAKAMIZAWA YUICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
15 patentsUS7555434B2Jun 30, 2009
Audio decoding device, decoding method, and program
NEC CORP121 citations97
US7069212B2Jun 27, 2006
Audio decoding apparatus and method for band expansion with aliasing adjustment
NEC CORP149 citations97
US7058571B2Jun 6, 2006
Audio decoding apparatus and method for band expansion with aliasing suppression
NEC CORP72 citations97
US6940900B2Sep 6, 2005
Data compression, control program for controlling the data compression
NEC CORP37 citations92
US7941319B2May 10, 2011
Audio decoding apparatus and decoding method and program
NEC CORP11 citations84
US8032367B2Oct 4, 2011
Bit-rate converting apparatus and method thereof
NEC CORP7 citations83
US5841377ANov 24, 1998
Adaptive transform coding system, adaptive transform decoding system and adaptive transform coding/decoding system
NEC CORP16 citations81
US7099823B2Aug 29, 2006
Coded voice signal format converting apparatus
NEC CORP9 citations73
US6493674B1Dec 10, 2002
Coded speech decoding system with low computation
NEC CORP9 citations73
US7454354B2Nov 18, 2008
Hierarchical lossless encoding/decoding method, hierarchical lossless encoding method, hierarchical lossless decoding method, its apparatus and program
NEC CORP3 citations62
US7343292B2Mar 11, 2008
Audio encoder utilizing bandwidth-limiting processing based on code amount characteristics
NEC CORP3 citations62
USRE41370EJun 8, 2010
Adaptive transform coding system, adaptive transform decoding system and adaptive transform coding/decoding system
NEC CORP2 citations61
US7257607B2Aug 14, 2007
Random number generating apparatus, random number generating method, program for generating random numbers, audio decoder and audio decoding method
NEC CORP0 citations51
US7007057B2Feb 28, 2006
0.75-power computing apparatus and method and program for use therewith
NEC CORP1 citations51
US5875424AFeb 23, 1999
Encoding system and decoding system for audio signals including pulse quantization
NEC CORP0 citations40