DE602007006957D1 - Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms - Google Patents

Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms

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Publication number
DE602007006957D1
DE602007006957D1 DE602007006957T DE602007006957T DE602007006957D1 DE 602007006957 D1 DE602007006957 D1 DE 602007006957D1 DE 602007006957 T DE602007006957 T DE 602007006957T DE 602007006957 T DE602007006957 T DE 602007006957T DE 602007006957 D1 DE602007006957 D1 DE 602007006957D1
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loss
lossy
lossless
data stream
coding
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DE602007006957T
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English (en)
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Peter Jax
Florian Keiler
Oliver Wuebbolt
Sven Kordon
Johannes Boehm
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Thomson Licensing SAS
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
DE602007006957T 2006-07-24 2007-07-12 Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms Active DE602007006957D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06117720A EP1883067A1 (de) 2006-07-24 2006-07-24 Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellsignals, unter Benutzung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms.
PCT/EP2007/057210 WO2008012211A1 (en) 2006-07-24 2007-07-12 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream

Publications (1)

Publication Number Publication Date
DE602007006957D1 true DE602007006957D1 (de) 2010-07-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007006957T Active DE602007006957D1 (de) 2006-07-24 2007-07-12 Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms

Country Status (9)

Country Link
US (1) US20090306993A1 (de)
EP (2) EP1883067A1 (de)
JP (1) JP5123303B2 (de)
KR (1) KR101397736B1 (de)
CN (1) CN101490748B (de)
AT (1) ATE470219T1 (de)
BR (1) BRPI0714835A2 (de)
DE (1) DE602007006957D1 (de)
WO (1) WO2008012211A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1881485A1 (de) * 2006-07-18 2008-01-23 Deutsche Thomson-Brandt Gmbh Audiobitstromdatenstruktur eines verlustbehafteten kodierten Signals mit verlustfreien Erweiterungkodierungsdaten für ein solches Signal.
DE102006051673A1 (de) * 2006-11-02 2008-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale
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
BR112012009445B1 (pt) 2009-10-20 2023-02-14 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador de áudio, decodificador de áudio, método para codificar uma informação de áudio, método para decodificar uma informação de áudio que utiliza uma detecção de um grupo de valores espectrais previamente decodificados
CN102792370B (zh) 2010-01-12 2014-08-06 弗劳恩霍弗实用研究促进协会 使用描述有效状态值及区间边界的散列表的音频编码器、音频解码器、编码音频信息的方法及解码音频信息的方法
CN101964188B (zh) 2010-04-09 2012-09-05 华为技术有限公司 语音信号编码、解码方法、装置及编解码系统
FR2961937A1 (fr) * 2010-06-29 2011-12-30 France Telecom Codage/decodage predictif lineaire adaptatif
CN107547899B (zh) * 2011-04-22 2020-03-17 杜比国际公司 有损压缩编码数据方法和设备及相应重构数据方法和设备
GB2490879B (en) 2011-05-12 2018-12-26 Qualcomm Technologies Int Ltd Hybrid coded audio data streaming apparatus and method
CN104350752B (zh) * 2012-01-17 2019-07-12 华为技术有限公司 用于高性能视频编码中的无损编码模式的环内滤波的装置
GB201210373D0 (en) 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension
KR102204136B1 (ko) * 2012-08-22 2021-01-18 한국전자통신연구원 오디오 부호화 장치 및 방법, 오디오 복호화 장치 및 방법
AU2014211523B2 (en) * 2013-01-29 2016-12-22 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Decoder for generating a frequency enhanced audio signal, method of decoding, encoder for generating an encoded signal and method of encoding using compact selection side information
WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
CN104981867B (zh) 2013-02-14 2018-03-30 杜比实验室特许公司 用于控制上混音频信号的通道间相干性的方法
TWI618051B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置
WO2015037961A1 (ko) 2013-09-13 2015-03-19 삼성전자 주식회사 에너지 무손실 부호화방법 및 장치, 신호 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 신호 복호화방법 및 장치
EP3660843B1 (de) 2013-09-13 2022-11-09 Samsung Electronics Co., Ltd. Verfahren zur verlustfreien codierung
US10438597B2 (en) 2017-08-31 2019-10-08 Dolby International Ab Decoder-provided time domain aliasing cancellation during lossy/lossless transitions

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0756386B1 (de) * 1995-07-27 2003-09-17 Victor Company Of Japan, Limited Verfahren und Gerät zum Kodieren digitaler akustischer Signale
CA2323014C (en) * 1999-01-07 2008-07-22 Koninklijke Philips Electronics N.V. Efficient coding of side information in a lossless encoder
US6226616B1 (en) * 1999-06-21 2001-05-01 Digital Theater Systems, Inc. Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
US6675148B2 (en) * 2001-01-05 2004-01-06 Digital Voice Systems, Inc. Lossless audio coder
DE10217297A1 (de) * 2002-04-18 2003-11-06 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten
US7752052B2 (en) * 2002-04-26 2010-07-06 Panasonic Corporation Scalable coder and decoder performing amplitude flattening for error spectrum estimation
DE10236694A1 (de) * 2002-08-09 2004-02-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren
US7424434B2 (en) * 2002-09-04 2008-09-09 Microsoft Corporation Unified lossy and lossless audio compression
US7657429B2 (en) * 2003-06-16 2010-02-02 Panasonic Corporation Coding apparatus and coding method for coding with reference to a codebook
KR100561869B1 (ko) * 2004-03-10 2006-03-17 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치
PL1839297T3 (pl) * 2005-01-11 2019-05-31 Koninklijke Philips Nv Skalowalne kodowanie/dekodowanie sygnałów audio
US7548853B2 (en) * 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
JP4640020B2 (ja) * 2005-07-29 2011-03-02 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
US7678984B1 (en) * 2005-10-13 2010-03-16 Sun Microsystems, Inc. Method and apparatus for programmatically generating audio file playlists
US8447691B2 (en) * 2007-05-30 2013-05-21 Hsbc Card Services, Inc. Systems and methods for NACHA compliant ACH transfers using an automated voice response system

Also Published As

Publication number Publication date
CN101490748A (zh) 2009-07-22
WO2008012211A1 (en) 2008-01-31
KR20090043498A (ko) 2009-05-06
JP2009544993A (ja) 2009-12-17
ATE470219T1 (de) 2010-06-15
BRPI0714835A2 (pt) 2013-03-12
EP2044589A1 (de) 2009-04-08
US20090306993A1 (en) 2009-12-10
EP2044589B1 (de) 2010-06-02
CN101490748B (zh) 2011-12-07
JP5123303B2 (ja) 2013-01-23
EP1883067A1 (de) 2008-01-30
KR101397736B1 (ko) 2014-05-20

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