P

Inventor

MORIYA TAKEHIRO

JP148 patents
⚠️ This page may combine multiple inventors who share the name “MORIYA TAKEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

45 patents
US5684920ANov 4, 1997

Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein

NIPPON TELEGRAPH & TELEPHONE187 citations98
US7200561B2Apr 3, 2007

Digital signal coding and decoding methods and apparatuses and programs therefor

NIPPON TELEGRAPH & TELEPHONE76 citations97
US7145484B2Dec 5, 2006

Digital signal processing method, processor thereof, program thereof, and recording medium containing the program

NIPPON TELEGRAPH & TELEPHONE73 citations97
US5651090AJul 22, 1997

Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor

NIPPON TELEGRAPH & TELEPHONE139 citations97
US5396576AMar 7, 1995

Speech coding and decoding methods using adaptive and random code books

NIPPON TELEGRAPH & TELEPHONE107 citations97
US5732188AMar 24, 1998

Method for the modification of LPC coefficients of acoustic signals

NIPPON TELEGRAPH & TELEPHONE55 citations95
US4922508AMay 1, 1990

Method and apparatus for multiplexed vector quantization

NIPPON TELEGRAPH & TELEPHONE43 citations93
US7337112B2Feb 26, 2008

Digital signal coding and decoding methods and apparatuses and programs therefor

NIPPON TELEGRAPH & TELEPHONE26 citations92
US7230551B2Jun 12, 2007

Floating-point type digital signal reversible encoding method, decoding method, apparatuses therefor, and programs therefor

NIPPON TELEGRAPH & TELEPHONE48 citations92
US6345246B1Feb 5, 2002

Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates

NIPPON TELEGRAPH & TELEPHONE43 citations92
US4850022AJul 18, 1989

Speech signal processing system

NIPPON TELEGRAPH & TELEPHONE49 citations92
US6658382B1Dec 2, 2003

Audio signal coding and decoding methods and apparatus and recording media with programs therefor

NIPPON TELEGRAPH & TELEPHONE35 citations91
US5787391AJul 28, 1998

Speech coding by code-edited linear prediction

NIPPON TELEGRAPH & TELEPHONE48 citations90
US10909996B2Feb 2, 2021

Linear prediction analysis device, method, program, and storage medium

NIPPON TELEGRAPH & TELEPHONE6 citations84
US10170130B2Jan 1, 2019

Linear predictive analysis apparatus, method, program and recording medium

NIPPON TELEGRAPH & TELEPHONE6 citations84
US10163450B2Dec 25, 2018

Linear predictive analysis apparatus, method, program and recording medium

NIPPON TELEGRAPH & TELEPHONE6 citations84
US10134420B2Nov 20, 2018

Linear predictive analysis apparatus, method, program and recording medium

NIPPON TELEGRAPH & TELEPHONE6 citations84
US10134419B2Nov 20, 2018

Linear predictive analysis apparatus, method, program and recording medium

NIPPON TELEGRAPH & TELEPHONE6 citations84
US10115413B2Oct 30, 2018

Linear predictive analysis apparatus, method, program and recording medium

NIPPON TELEGRAPH & TELEPHONE6 citations84
US9966083B2May 8, 2018

Linear predictive analysis apparatus, method, program and recording medium

NIPPON TELEGRAPH & TELEPHONE6 citations84
US9928850B2Mar 27, 2018

Linear predictive analysis apparatus, method, program and recording medium

NIPPON TELEGRAPH & TELEPHONE6 citations84
US7667630B2Feb 23, 2010

Information compression-encoding device, its decoding device, method thereof, program thereof, and recording medium storing the program

NIPPON TELEGRAPH & TELEPHONE10 citations84
US7209056B2Apr 24, 2007

Floating point signal reversible encoding method, decoding method, device thereof, program, and recording medium thereof

NIPPON TELEGRAPH & TELEPHONE15 citations84
US7599835B2Oct 6, 2009

Digital signal encoding method, decoding method, encoding device, decoding device, digital signal encoding program, and decoding program

NIPPON TELEGRAPH & TELEPHONE10 citations83
US7126501B2Oct 24, 2006

Floating point type digital signal reversible encoding method, decoding method, devices for them, and programs for them

NIPPON TELEGRAPH & TELEPHONE14 citations83
US6549147B1Apr 15, 2003

Methods, apparatuses and recorded medium for reversible encoding and decoding

NIPPON TELEGRAPH & TELEPHONE14 citations82
US7317407B2Jan 8, 2008

Floating point signal reversible encoding method, decoding method, device thereof, program, and recording medium thereof

NIPPON TELEGRAPH & TELEPHONE7 citations74
US12165659B2Dec 10, 2024

Sound signal downmixing method, sound signal coding method, sound signal downmixing apparatus, sound signal coding apparatus, program and recording medium

NIPPON TELEGRAPH & TELEPHONE2 citations73
US12119009B2Oct 15, 2024

Sound signal downmixing method, sound signal coding method, sound signal downmixing apparatus, sound signal coding apparatus, program and recording medium

NIPPON TELEGRAPH & TELEPHONE2 citations73
US12100403B2Sep 24, 2024

Sound signal downmixing method, sound signal coding method, sound signal downmixing apparatus, sound signal coding apparatus, program and recording medium

NIPPON TELEGRAPH & TELEPHONE1 citations73
US11749295B2Sep 5, 2023

Pitch emphasis apparatus, method and program for the same

NIPPON TELEGRAPH & TELEPHONE2 citations73
US11468907B2Oct 11, 2022

Pitch emphasis apparatus, method and program for the same

NIPPON TELEGRAPH & TELEPHONE4 citations73
US11417345B2Aug 16, 2022

Encoding apparatus, decoding apparatus, fricative sound judgment apparatus, and methods and programs therefor

NIPPON TELEGRAPH & TELEPHONE2 citations73
US10643631B2May 5, 2020

Decoding method, apparatus and recording medium

NIPPON TELEGRAPH & TELEPHONE2 citations73
US10529350B2Jan 7, 2020

Coding device, decoding device, and method and program thereof

NIPPON TELEGRAPH & TELEPHONE1 citations73
US10332533B2Jun 25, 2019

Frequency domain parameter sequence generating method, encoding method, decoding method, frequency domain parameter sequence generating apparatus, encoding apparatus, decoding apparatus, program, and recording medium

NIPPON TELEGRAPH & TELEPHONE2 citations73
US10325609B2Jun 18, 2019

Coding and decoding a sound signal by adapting coefficients transformable to linear predictive coefficients and/or adapting a code book

NIPPON TELEGRAPH & TELEPHONE3 citations73
US10276186B2Apr 30, 2019

Parameter determination device, method, program and recording medium for determining a parameter indicating a characteristic of sound signal

NIPPON TELEGRAPH & TELEPHONE2 citations73
US9911427B2Mar 6, 2018

Gain adjustment coding for audio encoder by periodicity-based and non-periodicity-based encoding methods

NIPPON TELEGRAPH & TELEPHONE4 citations73
US9552821B2Jan 24, 2017

Encoding method, encoder, program and recording medium

NIPPON TELEGRAPH & TELEPHONE5 citations73
US9524725B2Dec 20, 2016

Encoding method, encoder, program and recording medium

NIPPON TELEGRAPH & TELEPHONE5 citations73
USRE50749EJan 13, 2026

Coding device, decoding device, and method and program thereof

NIPPON TELEGRAPH & TELEPHONE0 citations63
US12431151B2Sep 30, 2025

Coding device, decoding device, and method and program thereof

NIPPON TELEGRAPH & TELEPHONE0 citations63
US12400670B2Aug 26, 2025

Linear prediction analysis device, method, program, and storage medium

NIPPON TELEGRAPH & TELEPHONE0 citations63
US12051430B2Jul 30, 2024

Coding device, decoding device, and method and program thereof

NIPPON TELEGRAPH & TELEPHONE0 citations63

MORIYA TAKEHIRO

3 patents

UNIV TOKYO

1 patent

HARADA NOBORU

1 patent

Showing the top 50 of 148 patents by PatentIndex Score.