CA2482427C - Apparatus and method for coding a time-discrete audio signal and apparatus and method for decoding coded audio data - Google Patents

Apparatus and method for coding a time-discrete audio signal and apparatus and method for decoding coded audio data Download PDF

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Publication number
CA2482427C
CA2482427C CA002482427A CA2482427A CA2482427C CA 2482427 C CA2482427 C CA 2482427C CA 002482427 A CA002482427 A CA 002482427A CA 2482427 A CA2482427 A CA 2482427A CA 2482427 C CA2482427 C CA 2482427C
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Canada
Prior art keywords
block
integer
difference
spectral values
quantization
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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
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CA002482427A
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English (en)
French (fr)
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CA2482427A1 (en
Inventor
Ralf Geiger
Thomas Sporer
Karlheinz Brandenburg
Jurgen Herre
Jurgen Koller
Joachim Deguara
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Publication of CA2482427A1 publication Critical patent/CA2482427A1/en
Application granted granted Critical
Publication of CA2482427C publication Critical patent/CA2482427C/en
Anticipated expiration legal-status Critical
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    • 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
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
CA002482427A 2002-04-18 2002-12-02 Apparatus and method for coding a time-discrete audio signal and apparatus and method for decoding coded audio data Expired - Lifetime CA2482427C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10217297.8 2002-04-18
DE10217297A DE10217297A1 (de) 2002-04-18 2002-04-18 Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten
PCT/EP2002/013623 WO2003088212A1 (de) 2002-04-18 2002-12-02 Vorrichtung und verfahren zum codieren eines zeitdiskreten audiosignals und vorrichtung und verfahren zum decodieren von codierten audiodaten

Publications (2)

Publication Number Publication Date
CA2482427A1 CA2482427A1 (en) 2003-10-23
CA2482427C true CA2482427C (en) 2010-01-19

Family

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CA002482427A Expired - Lifetime CA2482427C (en) 2002-04-18 2002-12-02 Apparatus and method for coding a time-discrete audio signal and apparatus and method for decoding coded audio data

Country Status (8)

Country Link
EP (1) EP1495464B1 (de)
JP (1) JP4081447B2 (de)
KR (1) KR100892152B1 (de)
CN (1) CN1258172C (de)
AT (1) ATE305655T1 (de)
CA (1) CA2482427C (de)
DE (2) DE10217297A1 (de)
WO (1) WO2003088212A1 (de)

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US11817111B2 (en) 2018-04-11 2023-11-14 Dolby Laboratories Licensing Corporation Perceptually-based loss functions for audio encoding and decoding based on machine learning

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JP4849466B2 (ja) * 2003-10-10 2012-01-11 エージェンシー フォー サイエンス， テクノロジー アンド リサーチ デジタル信号をスケーラブルビットストリームにエンコードする方法、及びスケーラブルビットストリームをデコードする方法
DE102004007184B3 (de) * 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
DE102004007200B3 (de) * 2004-02-13 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
DE102004059979B4 (de) 2004-12-13 2007-11-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Berechnung einer Signalenergie eines Informationssignals
US8494667B2 (en) 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
CA2620627C (en) 2005-08-30 2011-03-15 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
KR100878833B1 (ko) 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
WO2007040357A1 (en) 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7716043B2 (en) 2005-10-24 2010-05-11 Lg Electronics Inc. Removing time delays in signal paths
EP1852849A1 (de) * 2006-05-05 2007-11-07 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellensignals unter Verwendung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms
EP1883067A1 (de) * 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellsignals, unter Benutzung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms.
EP1903559A1 (de) 2006-09-20 2008-03-26 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur Transkodierung von Tonsignalen
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
DE102007003187A1 (de) * 2007-01-22 2008-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines zu sendenden Signals oder eines decodierten Signals
KR101149448B1 (ko) 2007-02-12 2012-05-25 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법
EP2015293A1 (de) * 2007-06-14 2009-01-14 Deutsche Thomson OHG Verfahren und Vorrichtung zur Kodierung und Dekodierung von Audiosignalen über adaptiv geschaltete temporäre Auflösung in einer Spektraldomäne
CA2698039C (en) * 2007-08-27 2016-05-17 Telefonaktiebolaget Lm Ericsson (Publ) Low-complexity spectral analysis/synthesis using selectable time resolution
EP2063417A1 (de) * 2007-11-23 2009-05-27 Deutsche Thomson OHG Formung des Rundungsfehlers für die auf ganzzahligen Transformationen basierende Kodierung und Dekodierung
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
KR20130069833A (ko) * 2008-10-08 2013-06-26 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중 분해능 스위치드 오디오 부호화/복호화 방법
EP2555186A4 (de) * 2010-03-31 2014-04-16 Korea Electronics Telecomm Kodierungsverfahren und -vorrichtung sowie dekodierungsverfahren und -vorrichtung
US8924222B2 (en) 2010-07-30 2014-12-30 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for coding of harmonic signals
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
JP5799707B2 (ja) * 2011-09-26 2015-10-28 ソニー株式会社 オーディオ符号化装置およびオーディオ符号化方法、オーディオ復号装置およびオーディオ復号方法、並びにプログラム
EP2830058A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frequenzbereichsaudiocodierung mit Unterstützung von Transformationslängenschaltung
CN105632503B (zh) * 2014-10-28 2019-09-03 南宁富桂精密工业有限公司 信息隐藏方法及系统
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EP3471271A1 (de) * 2017-10-16 2019-04-17 Acoustical Beauty Verbesserte konvolutionen von digitalen signalen mit verwendung einer bitanforderungsoptimierung eines digitalen zielsignals
EP3483879A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analyse-/synthese-fensterfunktion für modulierte geläppte transformation
WO2019091576A1 (en) * 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
CN107911122A (zh) * 2017-11-13 2018-04-13 南京大学 基于分解压缩的分布式光纤振动传感数据无损压缩方法
US11281312B2 (en) 2018-01-08 2022-03-22 Immersion Networks, Inc. Methods and apparatuses for producing smooth representations of input motion in time and space
DE102019204527B4 (de) * 2019-03-29 2020-11-19 Technische Universität München Kodierungs-/dekodierungsvorrichtungen und verfahren zur kodierung/dekodierung von vibrotaktilen signalen
KR102250835B1 (ko) * 2019-08-05 2021-05-11 국방과학연구소 수동 소나의 협대역 신호를 탐지하기 위한 lofar 또는 demon 그램의 압축 장치
US11348594B2 (en) * 2020-06-11 2022-05-31 Qualcomm Incorporated Stream conformant bit error resilience
CN117217268A (zh) * 2022-05-24 2023-12-12 英属维京群岛商烁星有限公司 基于自回归模型的变换器与相关的处理器
CN118571234A (zh) * 2023-02-28 2024-08-30 华为技术有限公司 音频编解码方法及相关装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11817111B2 (en) 2018-04-11 2023-11-14 Dolby Laboratories Licensing Corporation Perceptually-based loss functions for audio encoding and decoding based on machine learning
US12361956B2 (en) 2018-04-11 2025-07-15 Dolby Laboratories Licensing Corporation Perceptually-based loss functions for audio encoding and decoding based on machine learning

Also Published As

Publication number Publication date
EP1495464A1 (de) 2005-01-12
CA2482427A1 (en) 2003-10-23
KR100892152B1 (ko) 2009-04-10
DE50204426D1 (de) 2005-11-03
CN1625768A (zh) 2005-06-08
DE10217297A1 (de) 2003-11-06
JP4081447B2 (ja) 2008-04-23
EP1495464B1 (de) 2005-09-28
JP2005527851A (ja) 2005-09-15
AU2002358578A1 (en) 2003-10-27
HK1077391A1 (en) 2006-02-10
CN1258172C (zh) 2006-05-31
ATE305655T1 (de) 2005-10-15
KR20050007312A (ko) 2005-01-17
WO2003088212A1 (de) 2003-10-23

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