WO1998052188A1 - Audio signal encoder, audio signal decoder, and method for encoding and decoding audio signal - Google Patents

Audio signal encoder, audio signal decoder, and method for encoding and decoding audio signal Download PDF

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Publication number
WO1998052188A1
WO1998052188A1 PCT/JP1998/002135 JP9802135W WO9852188A1 WO 1998052188 A1 WO1998052188 A1 WO 1998052188A1 JP 9802135 W JP9802135 W JP 9802135W WO 9852188 A1 WO9852188 A1 WO 9852188A1
Authority
WO
WIPO (PCT)
Prior art keywords
audio signal
quantizing
encoder
decoder
subsection
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.)
Ceased
Application number
PCT/JP1998/002135
Other languages
English (en)
French (fr)
Inventor
Mineo Tsushima
Takeshi Norimatsu
Tomokazu Ishikawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to EP98919600A priority Critical patent/EP0919989A4/en
Publication of WO1998052188A1 publication Critical patent/WO1998052188A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439—Processing of audio elementary streams
    • 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
    • G10L19/0212—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 using orthogonal transformation
    • 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)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
PCT/JP1998/002135 1997-05-15 1998-05-14 Audio signal encoder, audio signal decoder, and method for encoding and decoding audio signal Ceased WO1998052188A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98919600A EP0919989A4 (en) 1997-05-15 1998-05-14 ENCODERS, DECODERS FOR AND METHOD FOR ENCODING AND DECODING AUDIO SIGNALS

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP9/125844 1997-05-15
JP12584497 1997-05-15
JP06241398A JP3344944B2 (ja) 1997-05-15 1998-03-13 オーディオ信号符号化装置，オーディオ信号復号化装置，オーディオ信号符号化方法，及びオーディオ信号復号化方法
JP10/62413 1998-03-13

Publications (1)

Publication Number Publication Date
WO1998052188A1 true WO1998052188A1 (en) 1998-11-19

Family

ID=26403462

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/002135 Ceased WO1998052188A1 (en) 1997-05-15 1998-05-14 Audio signal encoder, audio signal decoder, and method for encoding and decoding audio signal

Country Status (5)

Country Link
EP (1) EP0919989A4 (ja)
JP (1) JP3344944B2 (ja)
KR (1) KR100309727B1 (ja)
CN (1) CN1144178C (ja)
WO (1) WO1998052188A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9135922B2 (en) 2010-08-24 2015-09-15 Lg Electronics Inc. Method for processing audio signals, involves determining codebook index by searching for codebook corresponding to shape vector generated by using location information and spectral coefficients

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6446037B1 (en) 1999-08-09 2002-09-03 Dolby Laboratories Licensing Corporation Scalable coding method for high quality audio
JP4300800B2 (ja) 2000-12-22 2009-07-22 ソニー株式会社 符号化装置および方法、復号装置および方法、並びに記録媒体
DE10102159C2 (de) * 2001-01-18 2002-12-12 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erzeugen bzw. Decodieren eines skalierbaren Datenstroms unter Berücksichtigung einer Bitsparkasse, Codierer und skalierbarer Codierer
WO2003038812A1 (en) 2001-11-02 2003-05-08 Matsushita Electric Industrial Co., Ltd. Audio encoding and decoding device
WO2004042722A1 (en) * 2002-11-07 2004-05-21 Samsung Electronics Co., Ltd. Mpeg audio encoding method and apparatus
FR2852172A1 (fr) * 2003-03-04 2004-09-10 France Telecom Procede et dispositif de reconstruction spectrale d'un signal audio
CN1839426A (zh) * 2003-09-17 2006-09-27 北京阜国数字技术有限公司 多分辨率矢量量化的音频编解码方法及装置
EP1840874B1 (en) * 2005-01-11 2019-04-10 NEC Corporation Audio encoding device, audio encoding method, and audio encoding program
JPWO2007114290A1 (ja) * 2006-03-31 2009-08-20 パナソニック株式会社 ベクトル量子化装置、ベクトル逆量子化装置、ベクトル量子化方法及びベクトル逆量子化方法
CN101325059B (zh) * 2007-06-15 2011-12-21 华为技术有限公司 语音编解码收发方法及装置
CN101350197B (zh) * 2007-07-16 2011-05-11 华为技术有限公司 立体声音频编/解码方法及编/解码器
KR102653849B1 (ko) * 2014-03-24 2024-04-02 삼성전자주식회사 고대역 부호화방법 및 장치와 고대역 복호화 방법 및 장치

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03228433A (ja) * 1990-02-02 1991-10-09 Fujitsu Ltd 多段ベクトル量子化方式
JPH04171500A (ja) * 1990-11-02 1992-06-18 Nec Corp 音声パラメータ符号化方法
JPH05165499A (ja) * 1991-12-18 1993-07-02 Oki Electric Ind Co Ltd Ｌｓｐ係数の量子化方法
JPH0677840A (ja) * 1992-08-28 1994-03-18 Fujitsu Ltd ベクトル量子化装置
JPH06169449A (ja) * 1992-11-30 1994-06-14 Mitsubishi Electric Corp 画像帯域分割符号化装置
JPH0934499A (ja) * 1995-07-17 1997-02-07 Kokusai Electric Co Ltd 音声符号化通信方式
JPH09127987A (ja) * 1995-10-26 1997-05-16 Sony Corp 信号符号化方法及び装置
JPH09130260A (ja) * 1995-10-26 1997-05-16 Victor Co Of Japan Ltd 音響信号の符号化装置及び復号化装置
JPH09281995A (ja) * 1996-04-12 1997-10-31 Nec Corp 信号符号化装置及び方法
JPH1020898A (ja) * 1996-07-01 1998-01-23 Matsushita Electric Ind Co Ltd オーディオ信号圧縮方法，およびオーディオ信号圧縮装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03228433A (ja) * 1990-02-02 1991-10-09 Fujitsu Ltd 多段ベクトル量子化方式
JPH04171500A (ja) * 1990-11-02 1992-06-18 Nec Corp 音声パラメータ符号化方法
JPH05165499A (ja) * 1991-12-18 1993-07-02 Oki Electric Ind Co Ltd Ｌｓｐ係数の量子化方法
JPH0677840A (ja) * 1992-08-28 1994-03-18 Fujitsu Ltd ベクトル量子化装置
JPH06169449A (ja) * 1992-11-30 1994-06-14 Mitsubishi Electric Corp 画像帯域分割符号化装置
JPH0934499A (ja) * 1995-07-17 1997-02-07 Kokusai Electric Co Ltd 音声符号化通信方式
JPH09127987A (ja) * 1995-10-26 1997-05-16 Sony Corp 信号符号化方法及び装置
JPH09130260A (ja) * 1995-10-26 1997-05-16 Victor Co Of Japan Ltd 音響信号の符号化装置及び復号化装置
JPH09281995A (ja) * 1996-04-12 1997-10-31 Nec Corp 信号符号化装置及び方法
JPH1020898A (ja) * 1996-07-01 1998-01-23 Matsushita Electric Ind Co Ltd オーディオ信号圧縮方法，およびオーディオ信号圧縮装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0919989A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9135922B2 (en) 2010-08-24 2015-09-15 Lg Electronics Inc. Method for processing audio signals, involves determining codebook index by searching for codebook corresponding to shape vector generated by using location information and spectral coefficients

Also Published As

Publication number Publication date
EP0919989A1 (en) 1999-06-02
EP0919989A4 (en) 2003-02-26
KR20000023852A (ko) 2000-04-25
KR100309727B1 (ko) 2001-09-29
CN1144178C (zh) 2004-03-31
CN1224523A (zh) 1999-07-28
JPH1130998A (ja) 1999-02-02
JP3344944B2 (ja) 2002-11-18

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