JP4296752B2 - 符号化方法及び装置、復号方法及び装置、並びにプログラム - Google Patents

符号化方法及び装置、復号方法及び装置、並びにプログラム Download PDF

Info

Publication number
JP4296752B2
JP4296752B2 JP2002132188A JP2002132188A JP4296752B2 JP 4296752 B2 JP4296752 B2 JP 4296752B2 JP 2002132188 A JP2002132188 A JP 2002132188A JP 2002132188 A JP2002132188 A JP 2002132188A JP 4296752 B2 JP4296752 B2 JP 4296752B2
Authority
JP
Japan
Prior art keywords
spectrum
power
decoding
power adjustment
adjustment information
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
JP2002132188A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003323198A (ja
JP2003323198A5 (https=
Inventor
恵祐 東山
志朗 鈴木
実 辻
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.)
Sony Corp
Original Assignee
Sony 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
Priority to JP2002132188A priority Critical patent/JP4296752B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Priority to DE60331729T priority patent/DE60331729D1/de
Priority to US10/483,088 priority patent/US7428489B2/en
Priority to CNB2004101000522A priority patent/CN1302458C/zh
Priority to PCT/JP2003/005545 priority patent/WO2003096325A1/ja
Priority to CNB038006200A priority patent/CN1256715C/zh
Priority to KR1020047000175A priority patent/KR100941011B1/ko
Priority to EP03725718A priority patent/EP1503370B1/en
Publication of JP2003323198A publication Critical patent/JP2003323198A/ja
Publication of JP2003323198A5 publication Critical patent/JP2003323198A5/ja
Application granted granted Critical
Publication of JP4296752B2 publication Critical patent/JP4296752B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2002132188A 2002-05-07 2002-05-07 符号化方法及び装置、復号方法及び装置、並びにプログラム Expired - Fee Related JP4296752B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2002132188A JP4296752B2 (ja) 2002-05-07 2002-05-07 符号化方法及び装置、復号方法及び装置、並びにプログラム
US10/483,088 US7428489B2 (en) 2002-05-07 2003-04-30 Encoding method and apparatus, and decoding method and apparatus
CNB2004101000522A CN1302458C (zh) 2002-05-07 2003-04-30 解码方法和解码装置
PCT/JP2003/005545 WO2003096325A1 (fr) 2002-05-07 2003-04-30 Procede de codage, dispositif de codage, procede de decodage et dispositif de decodage
DE60331729T DE60331729D1 (de) 2002-05-07 2003-04-30 Audiocodierungsverfahren und audiocodierungseinrichtung
CNB038006200A CN1256715C (zh) 2002-05-07 2003-04-30 编码方法、编码装置、解码方法、和解码装置
KR1020047000175A KR100941011B1 (ko) 2002-05-07 2003-04-30 부호화 방법 및 장치, 및 복호 방법 및 장치
EP03725718A EP1503370B1 (en) 2002-05-07 2003-04-30 Audio coding method and audio coding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002132188A JP4296752B2 (ja) 2002-05-07 2002-05-07 符号化方法及び装置、復号方法及び装置、並びにプログラム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2005125583A Division JP4297078B2 (ja) 2005-04-22 2005-04-22 復号方法及び装置

Publications (3)

Publication Number Publication Date
JP2003323198A JP2003323198A (ja) 2003-11-14
JP2003323198A5 JP2003323198A5 (https=) 2005-09-29
JP4296752B2 true JP4296752B2 (ja) 2009-07-15

Family

ID=29416630

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002132188A Expired - Fee Related JP4296752B2 (ja) 2002-05-07 2002-05-07 符号化方法及び装置、復号方法及び装置、並びにプログラム

Country Status (7)

Country Link
US (1) US7428489B2 (https=)
EP (1) EP1503370B1 (https=)
JP (1) JP4296752B2 (https=)
KR (1) KR100941011B1 (https=)
CN (2) CN1256715C (https=)
DE (1) DE60331729D1 (https=)
WO (1) WO2003096325A1 (https=)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4734859B2 (ja) * 2004-06-28 2011-07-27 ソニー株式会社 信号符号化装置及び方法、並びに信号復号装置及び方法
JP4988717B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
US8577686B2 (en) * 2005-05-26 2013-11-05 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US20080221907A1 (en) * 2005-09-14 2008-09-11 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
EP1946296A4 (en) * 2005-09-14 2010-01-20 Lg Electronics Inc METHOD AND DEVICE FOR DECODING AN AUDIO SIGNAL
KR100785471B1 (ko) * 2006-01-06 2007-12-13 와이더댄 주식회사 통신망을 통해 가입자 단말기로 전송되는 오디오 신호의출력 품질 개선을 위한 오디오 신호의 처리 방법 및 상기방법을 채용한 오디오 신호 처리 장치
TWI469133B (zh) * 2006-01-19 2015-01-11 Lg Electronics Inc 媒體訊號處理方法及裝置
US8239209B2 (en) * 2006-01-19 2012-08-07 Lg Electronics Inc. Method and apparatus for decoding an audio signal using a rendering parameter
JP5199129B2 (ja) * 2006-02-07 2013-05-15 エルジー エレクトロニクス インコーポレイティド 符号化／復号化装置及び方法
KR20080093422A (ko) * 2006-02-09 2008-10-21 엘지전자 주식회사 오브젝트 기반 오디오 신호의 부호화 및 복호화 방법과 그장치
ES2407820T3 (es) * 2006-02-23 2013-06-14 Lg Electronics Inc. Método y aparato para procesar una señal de audio
EP1999745B1 (en) * 2006-03-30 2016-08-31 LG Electronics Inc. Apparatuses and methods for processing an audio signal
DE602007005729D1 (de) 2006-06-19 2010-05-20 Sharp Kk Signalverarbeitungsverfahren, Signalverarbeitungsvorrichtung und Aufzeichnungsmedium
US20080235006A1 (en) * 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
JP4769673B2 (ja) * 2006-09-20 2011-09-07 富士通株式会社 オーディオ信号補間方法及びオーディオ信号補間装置
JP4993992B2 (ja) * 2006-10-04 2012-08-08 シャープ株式会社 信号処理方法、信号処理装置及びプログラム
JP5189760B2 (ja) * 2006-12-15 2013-04-24 シャープ株式会社 信号処理方法、信号処理装置及びプログラム
JP5098492B2 (ja) * 2007-07-30 2012-12-12 ソニー株式会社 信号処理装置及び信号処理方法、並びにプログラム
JP5045295B2 (ja) * 2007-07-30 2012-10-10 ソニー株式会社 信号処理装置及び方法、並びにプログラム
US8386266B2 (en) * 2010-07-01 2013-02-26 Polycom, Inc. Full-band scalable audio codec
US8831933B2 (en) 2010-07-30 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization
US9208792B2 (en) * 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
JP2012103395A (ja) * 2010-11-09 2012-05-31 Sony Corp 符号化装置、符号化方法、およびプログラム
CN102741831B (zh) 2010-11-12 2015-10-07 宝利通公司 多点环境中的可伸缩音频
ES2976769T3 (es) * 2013-12-02 2024-08-08 Top Quality Telephony Llc Medio de almacenamiento legible por ordenador y producto de software informático
EP3288031A1 (en) * 2016-08-23 2018-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding an audio signal using a compensation value

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185800A (en) * 1989-10-13 1993-02-09 Centre National D'etudes Des Telecommunications Bit allocation device for transformed digital audio broadcasting signals with adaptive quantization based on psychoauditive criterion
JP2841797B2 (ja) 1990-09-07 1998-12-24 三菱電機株式会社 音声分析・合成装置
JP3153933B2 (ja) * 1992-06-16 2001-04-09 ソニー株式会社 データ符号化装置及び方法並びにデータ復号化装置及び方法
JP3191457B2 (ja) * 1992-10-31 2001-07-23 ソニー株式会社 高能率符号化装置、ノイズスペクトル変更装置及び方法
JP3343962B2 (ja) * 1992-11-11 2002-11-11 ソニー株式会社 高能率符号化方法及び装置
JPH06202695A (ja) 1993-01-07 1994-07-22 Sony Corp 音声信号処理装置
JP3341440B2 (ja) 1994-02-04 2002-11-05 ソニー株式会社 情報符号化方法及び装置、情報復号化方法及び装置、並びに情報記録媒体
US5731767A (en) * 1994-02-04 1998-03-24 Sony Corporation Information encoding method and apparatus, information decoding method and apparatus, information recording medium, and information transmission method
US5684920A (en) * 1994-03-17 1997-11-04 Nippon Telegraph And Telephone Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein
MY130167A (en) * 1994-04-01 2007-06-29 Sony Corp Information encoding method and apparatus, information decoding method and apparatus, information transmission method and information recording medium
US5651090A (en) * 1994-05-06 1997-07-22 Nippon Telegraph And Telephone Corporation Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor
JPH08223049A (ja) 1995-02-14 1996-08-30 Sony Corp 信号符号化方法及び装置、信号復号化方法及び装置、情報記録媒体並びに情報伝送方法
JP3307138B2 (ja) * 1995-02-27 2002-07-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
JPH0946233A (ja) * 1995-07-31 1997-02-14 Kokusai Electric Co Ltd 音声符号化方法とその装置、音声復号方法とその装置
US5822360A (en) * 1995-09-06 1998-10-13 Solana Technology Development Corporation Method and apparatus for transporting auxiliary data in audio signals
JP3519859B2 (ja) 1996-03-26 2004-04-19 三菱電機株式会社 符号器及び復号器
US5848155A (en) * 1996-09-04 1998-12-08 Nec Research Institute, Inc. Spread spectrum watermark for embedded signalling
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
DE19730129C2 (de) * 1997-07-14 2002-03-07 Fraunhofer Ges Forschung Verfahren zum Signalisieren einer Rauschsubstitution beim Codieren eines Audiosignals
JPH1185195A (ja) 1997-09-11 1999-03-30 Sharp Corp ディジタルデータの符号化方法
SE9903553D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
JP4274614B2 (ja) 1999-03-09 2009-06-10 パナソニック株式会社 オーディオ信号復号方法
JP3404350B2 (ja) 2000-03-06 2003-05-06 パナソニック モバイルコミュニケーションズ株式会社 音声符号化パラメータ取得方法、音声復号方法及び装置
DE60110796T2 (de) 2000-06-14 2006-02-23 Kabushiki Kaisha Kenwood Frequenzinterpolationseinrichtung und frequenzinterpolationsverfahren
FR2815492B1 (fr) * 2000-10-13 2003-02-14 Thomson Csf Systeme et procede de radiodiffusion assurant une continuite de service
EP1199711A1 (en) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Encoding of audio signal using bandwidth expansion
SE0004163D0 (sv) 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
EP1345331B1 (en) 2000-12-22 2008-08-20 Sony Corporation Encoder
JP4506039B2 (ja) * 2001-06-15 2010-07-21 ソニー株式会社 符号化装置及び方法、復号装置及び方法、並びに符号化プログラム及び復号プログラム
WO2002103683A1 (en) 2001-06-15 2002-12-27 Sony Corporation Encoding apparatus and encoding method

Also Published As

Publication number Publication date
CN1256715C (zh) 2006-05-17
JP2003323198A (ja) 2003-11-14
EP1503370A1 (en) 2005-02-02
WO2003096325A1 (fr) 2003-11-20
CN1524261A (zh) 2004-08-25
US7428489B2 (en) 2008-09-23
EP1503370B1 (en) 2010-03-17
KR100941011B1 (ko) 2010-02-05
DE60331729D1 (de) 2010-04-29
EP1503370A4 (en) 2007-08-22
US20040196770A1 (en) 2004-10-07
CN1629936A (zh) 2005-06-22
CN1302458C (zh) 2007-02-28
KR20040101180A (ko) 2004-12-02

Similar Documents

Publication Publication Date Title
JP4296752B2 (ja) 符号化方法及び装置、復号方法及び装置、並びにプログラム
JP4506039B2 (ja) 符号化装置及び方法、復号装置及び方法、並びに符号化プログラム及び復号プログラム
JP5048697B2 (ja) 符号化装置、復号化装置、符号化方法、復号化方法、プログラムおよび記録媒体
KR101253278B1 (ko) 복수의 입력 데이터 스트림을 믹싱하는 장치 및 방법
RU2422987C2 (ru) Канальное кодирование на основе комплексного преобразования с частотным кодированием с расширенной полосой
KR100420891B1 (ko) 디지탈신호엔코딩/디코딩방법및장치와기록매체
JP3203657B2 (ja) 情報符号化方法及び装置，情報復化方法及び装置，情報伝送方法，並びに情報記録媒体
JP3277692B2 (ja) 情報符号化方法、情報復号化方法及び情報記録媒体
JP2005338637A (ja) オーディオ信号符号化装置及び方法
JP4296753B2 (ja) 音響信号符号化方法及び装置、音響信号復号方法及び装置、並びにプログラム及び記録媒体
JP3900000B2 (ja) 符号化方法及び装置、復号方法及び装置、並びにプログラム
US7583804B2 (en) Music information encoding/decoding device and method
KR100952065B1 (ko) 부호화 방법 및 장치, 및 복호 방법 및 장치
JP4308229B2 (ja) 符号化装置および復号化装置
JP3475985B2 (ja) 情報符号化装置および方法、情報復号化装置および方法
JP4297078B2 (ja) 復号方法及び装置
US6765930B1 (en) Decoding apparatus and method, and providing medium
JP5098492B2 (ja) 信号処理装置及び信号処理方法、並びにプログラム
JP3230365B2 (ja) 情報符号化方法及び装置並びに情報復号化方法及び装置
JPH09135173A (ja) 符号化装置および符号化方法、復号化装置および復号化方法、伝送装置および伝送方法、並びに記録媒体
JP4534112B2 (ja) 符号化装置および方法、復号装置および方法、記録媒体、並びにプログラム
AU2012202581B2 (en) Mixing of input data streams and generation of an output data stream therefrom
JPWO1999044291A1 (ja) 符号化装置及び符号化方法、復号装置及び復号方法、並びにプログラム記録媒体及びデータ記録媒体

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050422

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050422

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081118

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090119

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090324

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090406

R151 Written notification of patent or utility model registration

Ref document number: 4296752

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120424

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130424

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140424

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees