DE69224944D1 - Gerät zur Vektorquantisierung - Google Patents

Gerät zur Vektorquantisierung

Info

Publication number
DE69224944D1
DE69224944D1 DE69224944T DE69224944T DE69224944D1 DE 69224944 D1 DE69224944 D1 DE 69224944D1 DE 69224944 T DE69224944 T DE 69224944T DE 69224944 T DE69224944 T DE 69224944T DE 69224944 D1 DE69224944 D1 DE 69224944D1
Authority
DE
Germany
Prior art keywords
vector quantization
quantization device
vector
quantization
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
DE69224944T
Other languages
English (en)
Other versions
DE69224944T2 (de
Inventor
Naoshi Matsuo
Koji Okazaki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69224944D1 publication Critical patent/DE69224944D1/de
Publication of DE69224944T2 publication Critical patent/DE69224944T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/008—Vector quantisation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69224944T 1991-08-30 1992-08-24 Gerät zur Vektorquantisierung Expired - Fee Related DE69224944T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03220320A JP3129778B2 (ja) 1991-08-30 1991-08-30 ベクトル量子化器

Publications (2)

Publication Number Publication Date
DE69224944D1 true DE69224944D1 (de) 1998-05-07
DE69224944T2 DE69224944T2 (de) 1998-08-27

Family

ID=16749297

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69224944T Expired - Fee Related DE69224944T2 (de) 1991-08-30 1992-08-24 Gerät zur Vektorquantisierung

Country Status (4)

Country Link
US (1) US5524170A (de)
EP (1) EP0529556B1 (de)
JP (1) JP3129778B2 (de)
DE (1) DE69224944T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU668817B2 (en) * 1993-03-26 1996-05-16 Blackberry Limited Vector quantizer method and apparatus
JP2708703B2 (ja) * 1993-11-18 1998-02-04 駒井鉄工株式会社 ベースプレートおよびそのベースプレートを用いた鉄骨柱取付け構造
JP3013698B2 (ja) * 1994-04-20 2000-02-28 松下電器産業株式会社 ベクトル量子化符号化装置と復号化装置
JP2956473B2 (ja) * 1994-04-21 1999-10-04 日本電気株式会社 ベクトル量子化装置
JP3224955B2 (ja) * 1994-05-27 2001-11-05 株式会社東芝 ベクトル量子化装置およびベクトル量子化方法
JP3274284B2 (ja) * 1994-08-08 2002-04-15 キヤノン株式会社 符号化装置およびその方法
US5797118A (en) * 1994-08-09 1998-08-18 Yamaha Corporation Learning vector quantization and a temporary memory such that the codebook contents are renewed when a first speaker returns
JP3585971B2 (ja) * 1994-12-21 2004-11-10 富士通株式会社 音声符号器および復号器の同期装置
JPH08292797A (ja) * 1995-04-20 1996-11-05 Nec Corp 音声符号化装置
JP3680380B2 (ja) * 1995-10-26 2005-08-10 ソニー株式会社 音声符号化方法及び装置
US5920853A (en) * 1996-08-23 1999-07-06 Rockwell International Corporation Signal compression using index mapping technique for the sharing of quantization tables
SE514792C2 (sv) 1997-12-22 2001-04-23 Ericsson Telefon Ab L M Förfarande och anordning för avkodning vid kanaloptimerad vektorkvantisering
US6826524B1 (en) 1998-01-08 2004-11-30 Purdue Research Foundation Sample-adaptive product quantization
US20060190251A1 (en) * 2005-02-24 2006-08-24 Johannes Sandvall Memory usage in a multiprocessor system
US9268762B2 (en) 2012-01-16 2016-02-23 Google Inc. Techniques for generating outgoing messages based on language, internationalization, and localization preferences of the recipient

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3779351D1 (de) * 1986-03-28 1992-07-02 American Telephone And Telegraph Co., New York, N.Y., Us
CA1333420C (en) * 1988-02-29 1994-12-06 Tokumichi Murakami Vector quantizer
EP0364647B1 (de) * 1988-10-19 1995-02-22 International Business Machines Corporation Vektorquantisierungscodierer
JPH0636156B2 (ja) * 1989-03-13 1994-05-11 インターナショナル・ビジネス・マシーンズ・コーポレーション 音声認識装置
CN100452858C (zh) * 2003-02-19 2009-01-14 松下电器产业株式会社 再现装置、记录方法和再现方法

Also Published As

Publication number Publication date
DE69224944T2 (de) 1998-08-27
JP3129778B2 (ja) 2001-01-31
JPH0563585A (ja) 1993-03-12
US5524170A (en) 1996-06-04
EP0529556A3 (en) 1993-10-13
EP0529556B1 (de) 1998-04-01
EP0529556A2 (de) 1993-03-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee