JP3224955B2 - ベクトル量子化装置およびベクトル量子化方法 - Google Patents

ベクトル量子化装置およびベクトル量子化方法

Info

Publication number
JP3224955B2
JP3224955B2 JP26782894A JP26782894A JP3224955B2 JP 3224955 B2 JP3224955 B2 JP 3224955B2 JP 26782894 A JP26782894 A JP 26782894A JP 26782894 A JP26782894 A JP 26782894A JP 3224955 B2 JP3224955 B2 JP 3224955B2
Authority
JP
Japan
Prior art keywords
vector
code
vectors
target
residual
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP26782894A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0844400A (ja
Inventor
皇 天田
公生 三関
政巳 赤嶺
正浩 押切
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP26782894A priority Critical patent/JP3224955B2/ja
Priority to CN95107152A priority patent/CN1106710C/zh
Priority to DE69528685T priority patent/DE69528685T2/de
Priority to EP95303564A priority patent/EP0684702B1/en
Priority to US08/451,174 priority patent/US5677986A/en
Priority to KR1019950013526A priority patent/KR100190183B1/ko
Priority to TW084105479A priority patent/TW264592B/zh
Publication of JPH0844400A publication Critical patent/JPH0844400A/ja
Application granted granted Critical
Publication of JP3224955B2 publication Critical patent/JP3224955B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector coding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/008—Vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP26782894A 1994-05-27 1994-10-31 ベクトル量子化装置およびベクトル量子化方法 Expired - Fee Related JP3224955B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP26782894A JP3224955B2 (ja) 1994-05-27 1994-10-31 ベクトル量子化装置およびベクトル量子化方法
DE69528685T DE69528685T2 (de) 1994-05-27 1995-05-25 Vorrichtung zur Vektorquantifizierung
EP95303564A EP0684702B1 (en) 1994-05-27 1995-05-25 Vector quantizing apparatus
CN95107152A CN1106710C (zh) 1994-05-27 1995-05-25 向量量化装置和方法
US08/451,174 US5677986A (en) 1994-05-27 1995-05-26 Vector quantizing apparatus
KR1019950013526A KR100190183B1 (ko) 1994-05-27 1995-05-27 벡터 양자화장치 및 벡터 양자화방법
TW084105479A TW264592B (en, 2012) 1994-05-27 1995-05-30

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11546594 1994-05-27
JP6-115465 1994-05-27
JP26782894A JP3224955B2 (ja) 1994-05-27 1994-10-31 ベクトル量子化装置およびベクトル量子化方法

Publications (2)

Publication Number Publication Date
JPH0844400A JPH0844400A (ja) 1996-02-16
JP3224955B2 true JP3224955B2 (ja) 2001-11-05

Family

ID=26453959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26782894A Expired - Fee Related JP3224955B2 (ja) 1994-05-27 1994-10-31 ベクトル量子化装置およびベクトル量子化方法

Country Status (7)

Country Link
US (1) US5677986A (en, 2012)
EP (1) EP0684702B1 (en, 2012)
JP (1) JP3224955B2 (en, 2012)
KR (1) KR100190183B1 (en, 2012)
CN (1) CN1106710C (en, 2012)
DE (1) DE69528685T2 (en, 2012)
TW (1) TW264592B (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6526710B1 (en) 1997-10-23 2003-03-04 Andrew Killen Flooring system

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3273455B2 (ja) * 1994-10-07 2002-04-08 日本電信電話株式会社 ベクトル量子化方法及びその復号化器
KR100322706B1 (ko) * 1995-09-25 2002-06-20 윤종용 선형예측부호화계수의부호화및복호화방법
US5819213A (en) * 1996-01-31 1998-10-06 Kabushiki Kaisha Toshiba Speech encoding and decoding with pitch filter range unrestricted by codebook range and preselecting, then increasing, search candidates from linear overlap codebooks
JP3357795B2 (ja) * 1996-08-16 2002-12-16 株式会社東芝 音声符号化方法および装置
JP3707153B2 (ja) * 1996-09-24 2005-10-19 ソニー株式会社 ベクトル量子化方法、音声符号化方法及び装置
CN1223994C (zh) 1996-11-07 2005-10-19 松下电器产业株式会社 声源矢量生成装置以及声音编码装置和声音解码装置
US6161086A (en) * 1997-07-29 2000-12-12 Texas Instruments Incorporated Low-complexity speech coding with backward and inverse filtered target matching and a tree structured mutitap adaptive codebook search
KR100527217B1 (ko) 1997-10-22 2005-11-08 마츠시타 덴끼 산교 가부시키가이샤 확산 벡터 생성 방법, 확산 벡터 생성 장치, ｃｅｌｐ형 음성 복호화 방법 및 ｃｅｌｐ형 음성 복호화 장치
JP3261691B2 (ja) * 1997-11-28 2002-03-04 沖電気工業株式会社 符号帳予備選択装置
CN1202514C (zh) 2000-11-27 2005-05-18 日本电信电话株式会社 编码和解码语音及其参数的方法、编码器、解码器
EP1860650A1 (en) * 2000-11-30 2007-11-28 Matsushita Electric Industrial Co., Ltd. Vector quantizing device for LPC parameters
JP4623920B2 (ja) * 2002-07-09 2011-02-02 ソニー株式会社 類似度算出方法及び装置、並びにプログラム及び記録媒体
KR100492965B1 (ko) * 2002-09-27 2005-06-07 삼성전자주식회사 벡터 양자화를 위한 고속 탐색방법
KR100651712B1 (ko) * 2003-07-10 2006-11-30 학교법인연세대학교 광대역 음성 부호화기 및 그 방법과 광대역 음성 복호화기및 그 방법
US7475011B2 (en) * 2004-08-25 2009-01-06 Microsoft Corporation Greedy algorithm for identifying values for vocal tract resonance vectors
CN101345530B (zh) * 2007-07-11 2010-09-15 华为技术有限公司 一种矢量量化方法及矢量量化器
RU2519027C2 (ru) * 2009-02-13 2014-06-10 Панасоник Корпорэйшн Устройство векторного квантования, устройство векторного обратного квантования и способы для этого
WO2015025454A1 (ja) * 2013-08-22 2015-02-26 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 音声符号化装置およびその方法
US10255323B1 (en) 2015-08-31 2019-04-09 Google Llc Quantization-based fast inner product search
US10063892B2 (en) 2015-12-10 2018-08-28 Adobe Systems Incorporated Residual entropy compression for cloud-based video applications
US10264262B2 (en) 2016-02-29 2019-04-16 Adobe Inc. Codebook generation for cloud-based video applications
US10719509B2 (en) * 2016-10-11 2020-07-21 Google Llc Hierarchical quantization for fast inner product search
CN109693999B (zh) * 2017-10-23 2020-05-01 上海三菱电梯有限公司 自动扶梯或人行道信息监控装置
US11392596B2 (en) 2018-05-14 2022-07-19 Google Llc Efficient inner product operations
US20230092756A1 (en) * 2020-04-20 2023-03-23 Sony Group Corporation Information processing system, information processing method, program, information processing device, and calculation device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62166655A (ja) * 1986-01-20 1987-07-23 Nippon Telegr & Teleph Corp <Ntt> 自己トレ−ニング機能を有するベクトル量子化方式
US4878230A (en) * 1986-10-16 1989-10-31 Mitsubishi Denki Kabushiki Kaisha Amplitude-adaptive vector quantization system
US4817157A (en) * 1988-01-07 1989-03-28 Motorola, Inc. Digital speech coder having improved vector excitation source
DE3853161T2 (de) * 1988-10-19 1995-08-17 Ibm Vektorquantisierungscodierer.
US5086439A (en) * 1989-04-18 1992-02-04 Mitsubishi Denki Kabushiki Kaisha Encoding/decoding system utilizing local properties
IL94119A (en) * 1989-06-23 1996-06-18 Motorola Inc Digital speech coder
GB2235354A (en) * 1989-08-16 1991-02-27 Philips Electronic Associated Speech coding/encoding using celp
JP3129778B2 (ja) * 1991-08-30 2001-01-31 富士通株式会社 ベクトル量子化器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6526710B1 (en) 1997-10-23 2003-03-04 Andrew Killen Flooring system

Also Published As

Publication number Publication date
CN1106710C (zh) 2003-04-23
DE69528685T2 (de) 2003-07-03
EP0684702A2 (en) 1995-11-29
EP0684702A3 (en) 2000-02-23
CN1120268A (zh) 1996-04-10
KR100190183B1 (ko) 1999-06-01
JPH0844400A (ja) 1996-02-16
DE69528685D1 (de) 2002-12-05
EP0684702B1 (en) 2002-10-30
KR950035109A (ko) 1995-12-30
TW264592B (en, 2012) 1995-12-01
US5677986A (en) 1997-10-14

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