DE602004008676D1 - Audiocodierung mit verschiedenen codierungsmodellen - Google Patents

Audiocodierung mit verschiedenen codierungsmodellen

Info

Publication number
DE602004008676D1
DE602004008676D1 DE602004008676T DE602004008676T DE602004008676D1 DE 602004008676 D1 DE602004008676 D1 DE 602004008676D1 DE 602004008676 T DE602004008676 T DE 602004008676T DE 602004008676 T DE602004008676 T DE 602004008676T DE 602004008676 D1 DE602004008676 D1 DE 602004008676D1
Authority
DE
Germany
Prior art keywords
coder mode
audiocoding
encoding
module
audio signal
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
DE602004008676T
Other languages
English (en)
Other versions
DE602004008676T2 (de
Inventor
Jari Maekinen
Ari Lakaniemi
Pasi Ojala
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of DE602004008676D1 publication Critical patent/DE602004008676D1/de
Application granted granted Critical
Publication of DE602004008676T2 publication Critical patent/DE602004008676T2/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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Steroid Compounds (AREA)
DE602004008676T 2004-05-17 2004-05-17 Audiocodierung mit verschiedenen codierungsmodellen Expired - Lifetime DE602004008676T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2004/001579 WO2005112004A1 (en) 2004-05-17 2004-05-17 Audio encoding with different coding models

Publications (2)

Publication Number Publication Date
DE602004008676D1 true DE602004008676D1 (de) 2007-10-11
DE602004008676T2 DE602004008676T2 (de) 2008-06-05

Family

ID=34957454

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004008676T Expired - Lifetime DE602004008676T2 (de) 2004-05-17 2004-05-17 Audiocodierung mit verschiedenen codierungsmodellen

Country Status (13)

Country Link
US (1) US8069034B2 (de)
EP (1) EP1747555B1 (de)
JP (1) JP2007538281A (de)
CN (1) CN1954365B (de)
AT (1) ATE371926T1 (de)
AU (1) AU2004319555A1 (de)
BR (1) BRPI0418839A (de)
CA (1) CA2566372A1 (de)
DE (1) DE602004008676T2 (de)
ES (1) ES2291877T3 (de)
MX (1) MXPA06012578A (de)
TW (1) TWI281981B (de)
WO (1) WO2005112004A1 (de)

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RU2454736C2 (ru) * 2007-10-15 2012-06-27 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство обработки сигнала
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EP3246918B1 (de) * 2008-07-11 2023-06-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecodierer, verfahren zum decodieren eines audio-signals und computerprogramm
CA2871498C (en) * 2008-07-11 2017-10-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder and decoder for encoding and decoding audio samples
ES2683077T3 (es) * 2008-07-11 2018-09-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
EP2144231A1 (de) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/-dekodierungschema geringer Bitrate mit gemeinsamer Vorverarbeitung
KR20100007738A (ko) * 2008-07-14 2010-01-22 한국전자통신연구원 음성/오디오 통합 신호의 부호화/복호화 장치
FR2936898A1 (fr) * 2008-10-08 2010-04-09 France Telecom Codage a echantillonnage critique avec codeur predictif
JP5629429B2 (ja) * 2008-11-21 2014-11-19 パナソニック株式会社 オーディオ再生装置及びオーディオ再生方法
KR101797033B1 (ko) 2008-12-05 2017-11-14 삼성전자주식회사 부호화 모드를 이용한 음성신호의 부호화/복호화 장치 및 방법
JP4977157B2 (ja) * 2009-03-06 2012-07-18 株式会社エヌ・ティ・ティ・ドコモ 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム
EP2460158A4 (de) * 2009-07-27 2013-09-04 Verfahren und vorrichtung zur verarbeitung eines tonsignals
PL2473995T3 (pl) * 2009-10-20 2015-06-30 Fraunhofer Ges Forschung Koder sygnału audio, dekoder sygnału audio, sposób dostarczania zakodowanej reprezentacji treści audio, sposób dostarczania dekodowanej reprezentacji treści audio oraz program komputerowy do wykorzystania w zastosowaniach z małym opóźnieniem
US8442837B2 (en) * 2009-12-31 2013-05-14 Motorola Mobility Llc Embedded speech and audio coding using a switchable model core
IL295473B2 (en) 2010-07-02 2023-10-01 Dolby Int Ab After–selective bass filter
WO2012048472A1 (en) * 2010-10-15 2012-04-19 Huawei Technologies Co., Ltd. Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing method, windower, transformer and inverse transformer
JP5753540B2 (ja) * 2010-11-17 2015-07-22 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Ｐａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ ステレオ信号符号化装置、ステレオ信号復号装置、ステレオ信号符号化方法及びステレオ信号復号方法
CN102208188B (zh) 2011-07-13 2013-04-17 华为技术有限公司 音频信号编解码方法和设备
CN103295577B (zh) * 2013-05-27 2015-09-02 深圳广晟信源技术有限公司 用于音频信号编码的分析窗切换方法和装置
EP2881943A1 (de) * 2013-12-09 2015-06-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Dekodierung eines kodierten Audiosignals mit geringen Rechnerressourcen
WO2023110082A1 (en) * 2021-12-15 2023-06-22 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive predictive encoding

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Also Published As

Publication number Publication date
CN1954365A (zh) 2007-04-25
TWI281981B (en) 2007-06-01
ATE371926T1 (de) 2007-09-15
MXPA06012578A (es) 2006-12-15
US8069034B2 (en) 2011-11-29
EP1747555A1 (de) 2007-01-31
ES2291877T3 (es) 2008-03-01
CA2566372A1 (en) 2005-11-24
CN1954365B (zh) 2011-04-06
TW200604536A (en) 2006-02-01
BRPI0418839A (pt) 2007-11-13
DE602004008676T2 (de) 2008-06-05
AU2004319555A1 (en) 2005-11-24
EP1747555B1 (de) 2007-08-29
JP2007538281A (ja) 2007-12-27
US20050261892A1 (en) 2005-11-24
WO2005112004A1 (en) 2005-11-24

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