Inventor
TSUCHINAGA YOSHITERU
JP38 patents
⚠️ This page may combine multiple inventors who share the name “TSUCHINAGA YOSHITERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
19 patentsUS7016831B2Mar 21, 2006
Voice code conversion apparatus
FUJITSU LTD65 citations98
US7310596B2Dec 18, 2007
Method and system for embedding and extracting data from encoded voice code
FUJITSU LTD23 citations92
US7152032B2Dec 19, 2006
Voice enhancement device by separate vocal tract emphasis and source emphasis
FUJITSU LTD23 citations92
US7092875B2Aug 15, 2006
Speech transcoding method and apparatus for silence compression
FUJITSU LTD31 citations92
US6594626B2Jul 15, 2003
Voice encoding and voice decoding using an adaptive codebook and an algebraic codebook
FUJITSU LTD41 citations92
US7787500B2Aug 31, 2010
Packet receiving method and device
FUJITSU LTD10 citations84
US7590532B2Sep 15, 2009
Voice code conversion method and apparatus
FUJITSU LTD19 citations84
US6470312B1Oct 22, 2002
Speech coding apparatus, speech processing apparatus, and speech processing method
FUJITSU LTD19 citations84
US8374882B2Feb 12, 2013
Parametric stereophonic audio decoding for coefficient correction by distortion detection
FUJITSU LTD2 citations63
US7974846B2Jul 5, 2011
Data embedding device and data extraction device
FUJITSU LTD5 citations63
US7650280B2Jan 19, 2010
Voice packet loss concealment device, voice packet loss concealment method, receiving terminal, and voice communication system
FUJITSU LTD4 citations63
US7916874B2Mar 29, 2011
Gain adjusting method and a gain adjusting device
FUJITSU LTD4 citations62
US7734053B2Jun 8, 2010
Encoding apparatus, encoding method, and computer product
FUJITSU LTD5 citations62
US7930185B2Apr 19, 2011
Apparatus and method for controlling audio-frame division
FUJITSU LTD1 citations52
US7089179B2Aug 8, 2006
Voice coding method, voice coding apparatus, and voice decoding apparatus
FUJITSU LTD0 citations52
US7949016B2May 24, 2011
Interactive communication system, communication equipment and communication control method
FUJITSU LTD0 citations42
US7606702B2Oct 20, 2009
Speech decoder, speech decoding method, program and storage media to improve voice clarity by emphasizing voice tract characteristics using estimated formants
FUJITSU LTD0 citations42
US10609479B2Mar 31, 2020
Device and method for determining a sound source direction
FUJITSU LTD0 citations41
US9485572B2Nov 1, 2016
Sound processing device, sound processing method, and program
FUJITSU LTD0 citations41
SHIRAKAWA MIYUKI
6 patentsUS8244524B2Aug 14, 2012
SBR encoder with spectrum power correction
SHIRAKAWA MIYUKI23 citations92
US8295499B2Oct 23, 2012
Audio information processing and attack detection apparatus and method
SHIRAKAWA MIYUKI6 citations72
US9111533B2Aug 18, 2015
Audio coding device, method, and computer-readable recording medium storing program
SHIRAKAWA MIYUKI2 citations62
US8788275B2Jul 22, 2014
Decoding method and apparatus for an audio signal through high frequency compensation
SHIRAKAWA MIYUKI1 citations51
US9076440B2Jul 7, 2015
Audio signal encoding device, method, and medium by correcting allowable error powers for a tonal frequency spectrum
SHIRAKAWA MIYUKI0 citations41
US8862479B2Oct 14, 2014
Encoder, encoding system, and encoding method
SHIRAKAWA MIYUKI0 citations41
SUZUKI MASANAO
6 patentsUS8073050B2Dec 6, 2011
Encoding device and encoding method
SUZUKI MASANAO7 citations83
US8818539B2Aug 26, 2014
Audio encoding device, audio encoding method, and video transmission device
SUZUKI MASANAO5 citations72
US8706508B2Apr 22, 2014
Audio decoding apparatus and audio decoding method performing weighted addition on signals
SUZUKI MASANAO3 citations62
US8073687B2Dec 6, 2011
Audio regeneration method
SUZUKI MASANAO4 citations62
US8619999B2Dec 31, 2013
Audio decoding method and apparatus
SUZUKI MASANAO0 citations51
US8225160B2Jul 17, 2012
Decoding apparatus, decoding method, and recording medium
SUZUKI MASANAO1 citations51