DE60225276D1 - Codierungsvorrichtung und -verfahren, decodierungsvorrichtung und -verfahren und programm - Google Patents

Codierungsvorrichtung und -verfahren, decodierungsvorrichtung und -verfahren und programm

Info

Publication number
DE60225276D1
DE60225276D1 DE60225276T DE60225276T DE60225276D1 DE 60225276 D1 DE60225276 D1 DE 60225276D1 DE 60225276 T DE60225276 T DE 60225276T DE 60225276 T DE60225276 T DE 60225276T DE 60225276 D1 DE60225276 D1 DE 60225276D1
Authority
DE
Germany
Prior art keywords
program
decoding device
coding
coding device
decoding
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 - Lifetime
Application number
DE60225276T
Other languages
English (en)
Other versions
DE60225276T2 (de
Inventor
Keisuke Toyama
Shiro Suzuki
Minoru Tsuji
Masayuki Nishiguchi
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
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE60225276D1 publication Critical patent/DE60225276D1/de
Publication of DE60225276T2 publication Critical patent/DE60225276T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE2002625276 2001-06-15 2002-06-11 Codierungsvorrichtung und -verfahren, decodierungsvorrichtung und -verfahren und programm Expired - Lifetime DE60225276T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001182383 2001-06-15
JP2001182383A JP4506039B2 (ja) 2001-06-15 2001-06-15 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
PCT/JP2002/005808 WO2002103685A1 (fr) 2001-06-15 2002-06-11 Appareil et procede de codage, appareil et procede de decodage et programme

Publications (2)

Publication Number Publication Date
DE60225276D1 true DE60225276D1 (de) 2008-04-10
DE60225276T2 DE60225276T2 (de) 2009-03-19

Family

ID=19022495

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2002625276 Expired - Lifetime DE60225276T2 (de) 2001-06-15 2002-06-11 Codierungsvorrichtung und -verfahren, decodierungsvorrichtung und -verfahren und programm

Country Status (5)

Country Link
US (1) US7212973B2 (de)
EP (1) EP1396841B1 (de)
JP (1) JP4506039B2 (de)
DE (1) DE60225276T2 (de)
WO (1) WO2002103685A1 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
JP4296752B2 (ja) 2002-05-07 2009-07-15 ソニー株式会社 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
DE10328777A1 (de) * 2003-06-25 2005-01-27 Coding Technologies Ab Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals
WO2005039200A2 (en) * 2003-10-13 2005-04-28 Realnetworks, Inc. Compact signal coding method and apparatus
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
DE602004008214D1 (de) 2004-03-18 2007-09-27 St Microelectronics Srl Verfahren und Vorrichtungen zur Kodierung/Dekodierung von Signalen, sowie Computerprogrammprodukt dafür
EP1578134A1 (de) 2004-03-18 2005-09-21 STMicroelectronics S.r.l. Verfahren und Vorrichtungen zur Kodierung/Dekodierung von Signalen, sowie Computerprogrammprodukt dafür
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
JP4609097B2 (ja) * 2005-02-08 2011-01-12 ソニー株式会社 音声符号化装置及び方法、並びに音声復号装置及び方法
US8086451B2 (en) 2005-04-20 2011-12-27 Qnx Software Systems Co. System for improving speech intelligibility through high frequency compression
US7813931B2 (en) * 2005-04-20 2010-10-12 QNX Software Systems, Co. System for improving speech quality and intelligibility with bandwidth compression/expansion
US8249861B2 (en) * 2005-04-20 2012-08-21 Qnx Software Systems Limited High frequency compression integration
JP4635709B2 (ja) * 2005-05-10 2011-02-23 ソニー株式会社 音声符号化装置及び方法、並びに音声復号装置及び方法
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
US7630882B2 (en) 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
US7835904B2 (en) * 2006-03-03 2010-11-16 Microsoft Corp. Perceptual, scalable audio compression
US7461106B2 (en) * 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
KR101411900B1 (ko) * 2007-05-08 2014-06-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 장치
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US8046214B2 (en) 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8576096B2 (en) * 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
US8249883B2 (en) 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
EP4407610A1 (de) 2008-07-11 2024-07-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer, audiodecodierer, verfahren zur codierung und decodierung eines audiosignals, audiostrom und computerprogramm
US8175888B2 (en) * 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
CN102449689B (zh) * 2009-06-03 2014-08-06 日本电信电话株式会社 编码方法、编码装置、编码程序、以及它们的记录介质
JP5501014B2 (ja) * 2010-02-05 2014-05-21 キヤノン株式会社 情報処理装置、情報処理方法、プログラム及び記憶媒体
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
WO2011111453A1 (ja) * 2010-03-09 2011-09-15 日本電信電話株式会社 符号化方法、復号方法、装置、プログラム及び記録媒体
ES2588745T3 (es) * 2010-07-05 2016-11-04 Nippon Telegraph And Telephone Corporation Método de codificación, método de decodificación, dispositivo codificador, dispositivo decodificador, programa y medio de grabación
EP2681734B1 (de) * 2011-03-04 2017-06-21 Telefonaktiebolaget LM Ericsson (publ) Verstärkungskorrektur nach quantisierung bei der audiocodierung
US9536534B2 (en) 2011-04-20 2017-01-03 Panasonic Intellectual Property Corporation Of America Speech/audio encoding apparatus, speech/audio decoding apparatus, and methods thereof
WO2013001729A1 (ja) * 2011-06-28 2013-01-03 日本電気株式会社 映像符号化装置及び映像復号装置
JP2014527736A (ja) * 2011-07-18 2014-10-16 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ 接続されるコンポーネントの方位ベクトルを符号化する方法及び装置、対応する復号化方法及び装置、並びにそのように符号化されたデータを担持する記憶媒体
US9071825B2 (en) * 2012-04-24 2015-06-30 Tektronix, Inc. Tiling or blockiness detection based on spectral power signature
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
EP4220636A1 (de) * 2012-11-05 2023-08-02 Panasonic Intellectual Property Corporation of America Sprachaudiocodierungsvorrichtung und sprachaudiocodierungsverfahren
EP2919232A1 (de) * 2014-03-14 2015-09-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codierer, Decodierer und Verfahren zur Codierung und Decodierung
CN108352166B (zh) * 2015-09-25 2022-10-28 弗劳恩霍夫应用研究促进协会 使用线性预测编码对音频信号进行编码的编码器和方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6333935A (ja) * 1986-07-29 1988-02-13 Sharp Corp ゲイン／シエイプ・ベクトル量子化器
JPH0332228A (ja) * 1989-06-29 1991-02-12 Fujitsu Ltd ゲイン―シェイプ・ベクトル量子化方式
US5497246A (en) * 1993-07-15 1996-03-05 Asahi Kogaku Kogyo Kabushiki Kaisha Image signal processing device
BE1007616A3 (nl) * 1993-10-11 1995-08-22 Philips Electronics Nv Transmissiesysteem met vereenvoudigde broncodering.
KR100289733B1 (ko) * 1994-06-30 2001-05-15 윤종용 디지탈 오디오 부호화 방법 및 장치
JP3341474B2 (ja) * 1994-07-28 2002-11-05 ソニー株式会社 情報符号化方法及び復号化方法、情報符号化装置及び復号化装置、並びに情報記録媒体
GB9509831D0 (en) * 1995-05-15 1995-07-05 Gerzon Michael A Lossless coding method for waveform data
JPH0918348A (ja) * 1995-06-28 1997-01-17 Graphics Commun Lab:Kk 音響信号符号化装置及び音響信号復号装置
JPH0934493A (ja) * 1995-07-20 1997-02-07 Graphics Commun Lab:Kk 音響信号符号化装置、音響信号復号装置および音響信号処理装置
JP3191257B2 (ja) * 1995-07-27 2001-07-23 日本ビクター株式会社 音響信号符号化方法、音響信号復号化方法、音響信号符号化装置、音響信号復号化装置
JP3304739B2 (ja) 1996-02-08 2002-07-22 松下電器産業株式会社 ロスレス符号装置とロスレス記録媒体とロスレス復号装置とロスレス符号復号装置
JP3304750B2 (ja) * 1996-03-27 2002-07-22 松下電器産業株式会社 ロスレス符号装置とロスレス記録媒体とロスレス復号装置とロスレス符号復号装置
JPH09261068A (ja) * 1996-03-27 1997-10-03 Toshiba Corp データ圧縮／復号／伝送／受信／記録／再生の方法と装置
JP3283200B2 (ja) * 1996-12-19 2002-05-20 ケイディーディーアイ株式会社 符号化音声データの符号化レート変換方法および装置
JP4216364B2 (ja) 1997-08-29 2009-01-28 株式会社東芝 音声符号化／復号化方法および音声信号の成分分離方法
US6285796B1 (en) * 1997-11-03 2001-09-04 Intel Corporation Pseudo-fixed length image compression scheme
JP3406275B2 (ja) * 1999-05-21 2003-05-12 日本電信電話株式会社 ディジタル信号符号化方法、ディジタル信号復号化方法、これらの装置及びその各プログラム記録媒体
JP2001094433A (ja) * 1999-09-17 2001-04-06 Matsushita Electric Ind Co Ltd サブバンド符号化・復号方法
JP3643735B2 (ja) * 1999-09-27 2005-04-27 三洋電機株式会社 オーディオ信号符号化装置およびオーディオ信号符号化方法
US7110953B1 (en) 2000-06-02 2006-09-19 Agere Systems Inc. Perceptual coding of audio signals using separated irrelevancy reduction and redundancy reduction

Also Published As

Publication number Publication date
WO2002103685A1 (fr) 2002-12-27
DE60225276T2 (de) 2009-03-19
EP1396841B1 (de) 2008-02-27
US7212973B2 (en) 2007-05-01
EP1396841A4 (de) 2006-10-11
US20050261893A1 (en) 2005-11-24
JP4506039B2 (ja) 2010-07-21
EP1396841A1 (de) 2004-03-10
JP2002372995A (ja) 2002-12-26

Similar Documents

Publication Publication Date Title
DE60225276D1 (de) Codierungsvorrichtung und -verfahren, decodierungsvorrichtung und -verfahren und programm
DE60308567D1 (de) Dekodierungsgerät, Kodierungsgerät, Dekodierungsverfahren und Kodierungsverfahren
DE60214027D1 (de) Kodiervorrichtung und dekodiervorrichtung
EP1515446A4 (de) Signalcodierungsverfahren, signaldecodierungsverfahren, signalcodierungseinrichtung, signaldecodierungseinrichtung, signalcodierungsprogramm und signaldecodierungsprogramm
EP1489599A4 (de) Codierungseinrichtung, decodierungseinrichtung, codierungsverfahren und decodierungsverfahren
EP1521372A4 (de) Dekodierverfahren, dekodiervorrichtung und programm
EP1624581A4 (de) Decodierungseinrichtung, decodierungsverfahren und programm
EP1478190A4 (de) Bildkodierungseinrichtung, bilddekodierungseinrichtung, bildkodierungsverfahren, bilddekodierungsverfahren, bildkodierungsprogramm und bilddekodierungsprogramm
DE60133562D1 (de) Kanalcodierungs-decodierungsvorrichtung und -verfa
DE60212600D1 (de) Audiocodierung und decodierung
EP1531551A4 (de) Signalcodierungseinrichtung, verfahren, signaldecodierungseinrichtung und verfahren
EP1662801A4 (de) Kodierungsmethode, -vorrichtung, dekodierungsmethode, -vorrichtung, und programm dafür
DE60123317D1 (de) Kodiersystem und Kodierverfahren
EP1484841A4 (de) Digitalsignalcodierungsverfahren, decodierungsverfahren, codierungseinrichtung, decodierungseinrichtung, digitalsignalcodierungsprogramm und decodierungsprogramm
EP1503370A4 (de) Codierungsverfahren, codierungseinrichtung, decodierungsverfahren und decodierungseinrichtung
EP1499134A4 (de) Codierungsverfahren und decodierungsverfahren für bewegliche bilder und vorrichtung und programm damit
EP1432130A4 (de) Dekodiervorrichtung und dekodierverfahren
EP1696677A4 (de) Bilddecodierungseinrichtung, bilddecodierungsverfahren und bilddecodierungsprogramm
DE60307252D1 (de) Einrichtungen, verfahren und programme zur kodierung und dekodierung
HK1110267A1 (en) Bidirectional singulation saw and method
DE60226186D1 (de) Wiedergabeverfahren, Wiedergabegerät, und Empfangsgerät
DE602004012417D1 (de) Dekodierungsvorrichtung und dekodierungsverfahren
DE602004032587D1 (de) Codierungsvorrichtung und Decodierungsvorrichtung
DE60332724D1 (de) Kommunikationsgerät, kommunikationssystem, kommunikationsverfahren und programm dafür
EP1503502A4 (de) Codierungsverfahren und einrichtung und decodierungsverfahren und einrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition