CN1258172C - 对音频信号进行编码及解码的装置和方法 - Google Patents

对音频信号进行编码及解码的装置和方法 Download PDF

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Publication number
CN1258172C
CN1258172C CNB028289749A CN02828974A CN1258172C CN 1258172 C CN1258172 C CN 1258172C CN B028289749 A CNB028289749 A CN B028289749A CN 02828974 A CN02828974 A CN 02828974A CN 1258172 C CN1258172 C CN 1258172C
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integer
spectrum value
block
difference
extension layer
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Expired - Lifetime
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Chinese (zh)
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CN1625768A (zh
Inventor
拉尔夫·盖格
托马斯·思博尔
卡尔海因兹·勃兰登堡
朱尔根·赫尔
朱尔根·科洛尔
乔吉姆·德格拉
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Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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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
    • 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
    • G10L19/0017—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)
  • 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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
CNB028289749A 2002-04-18 2002-12-02 对音频信号进行编码及解码的装置和方法 Expired - Lifetime CN1258172C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
DE10217297.8 2002-04-18

Publications (2)

Publication Number Publication Date
CN1625768A CN1625768A (zh) 2005-06-08
CN1258172C true CN1258172C (zh) 2006-05-31

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CNB028289749A Expired - Lifetime CN1258172C (zh) 2002-04-18 2002-12-02 对音频信号进行编码及解码的装置和方法

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EP (1) EP1495464B1 (ko)
JP (1) JP4081447B2 (ko)
KR (1) KR100892152B1 (ko)
CN (1) CN1258172C (ko)
AT (1) ATE305655T1 (ko)
CA (1) CA2482427C (ko)
DE (2) DE10217297A1 (ko)
HK (1) HK1077391A1 (ko)
WO (1) WO2003088212A1 (ko)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
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KR100885438B1 (ko) * 2003-09-29 2009-02-24 에이전시 포 사이언스, 테크놀로지 앤드 리서치 시간 도메인에서 주파수 도메인으로 그리고 그 반대로디지털 신호의 도메인 변환을 수행하는 방법
DE602004013031T2 (de) * 2003-10-10 2009-05-14 Agency For Science, Technology And Research Verfahren zum codieren eines digitalen signals in einen skalierbaren bitstrom, verfahren zum decodieren eines skalierbaren bitstroms
DE102004007200B3 (de) * 2004-02-13 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
DE102004007184B3 (de) * 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
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
EP1938311B1 (en) 2005-08-30 2018-05-02 LG Electronics Inc. Apparatus for decoding audio signals and method thereof
KR100857115B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7742913B2 (en) 2005-10-24 2010-06-22 Lg Electronics Inc. Removing time delays in signal paths
EP1852849A1 (en) * 2006-05-05 2007-11-07 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
EP1883067A1 (en) * 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
EP1903559A1 (en) 2006-09-20 2008-03-26 Deutsche Thomson-Brandt Gmbh Method and device for transcoding audio signals
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 (en) * 2007-06-14 2009-01-14 Deutsche Thomson OHG Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain
MX2010001763A (es) * 2007-08-27 2010-03-10 Ericsson Telefon Ab L M Analisis/sintesis espectral de baja complejidad utilizando la resolucion temporal seleccionable.
EP2063417A1 (en) * 2007-11-23 2009-05-27 Deutsche Thomson OHG Rounding noise shaping for integer transform based encoding and decoding
EP2144230A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
EP3640941A1 (en) * 2008-10-08 2020-04-22 Fraunhofer Gesellschaft zur Förderung der Angewand Multi-resolution switched audio encoding/decoding scheme
CN104392726B (zh) * 2010-03-31 2018-01-02 韩国电子通信研究院 编码设备和解码设备
US9236063B2 (en) * 2010-07-30 2016-01-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dynamic bit allocation
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 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frequency-domain audio coding supporting transform length switching
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
US10354669B2 (en) * 2017-03-22 2019-07-16 Immersion Networks, Inc. System and method for processing audio data
EP3471271A1 (en) * 2017-10-16 2019-04-17 Acoustical Beauty Improved convolutions of digital signals using a bit requirement optimization of a target digital signal
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
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
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
CN112105902B (zh) * 2018-04-11 2022-07-22 杜比实验室特许公司 基于机器学习的用于音频编码和解码的基于感知的损失函数
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
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

Also Published As

Publication number Publication date
ATE305655T1 (de) 2005-10-15
WO2003088212A1 (de) 2003-10-23
CA2482427A1 (en) 2003-10-23
DE10217297A1 (de) 2003-11-06
KR20050007312A (ko) 2005-01-17
CA2482427C (en) 2010-01-19
JP4081447B2 (ja) 2008-04-23
DE50204426D1 (de) 2005-11-03
HK1077391A1 (en) 2006-02-10
KR100892152B1 (ko) 2009-04-10
JP2005527851A (ja) 2005-09-15
EP1495464B1 (de) 2005-09-28
AU2002358578A1 (en) 2003-10-27
CN1625768A (zh) 2005-06-08
EP1495464A1 (de) 2005-01-12

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