JP4081447B2 - 時間離散オーディオ信号を符号化する装置と方法および符号化されたオーディオデータを復号化する装置と方法 - Google Patents

時間離散オーディオ信号を符号化する装置と方法および符号化されたオーディオデータを復号化する装置と方法 Download PDF

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JP4081447B2
JP4081447B2 JP2003585070A JP2003585070A JP4081447B2 JP 4081447 B2 JP4081447 B2 JP 4081447B2 JP 2003585070 A JP2003585070 A JP 2003585070A JP 2003585070 A JP2003585070 A JP 2003585070A JP 4081447 B2 JP4081447 B2 JP 4081447B2
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integer
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ラルフ ガイガー
トーマス シュポーラー
カールハインツ ブランデンブルグ
ユルゲン ヘルレ
ユルゲン コラー
ヨヒム デグアラ
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フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン
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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)
  • 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)
JP2003585070A 2002-04-18 2002-12-02 時間離散オーディオ信号を符号化する装置と方法および符号化されたオーディオデータを復号化する装置と方法 Expired - Lifetime JP4081447B2 (ja)

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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

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JP2005527851A JP2005527851A (ja) 2005-09-15
JP4081447B2 true JP4081447B2 (ja) 2008-04-23

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

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070276894A1 (en) * 2003-09-29 2007-11-29 Agency For Science, Technology And Research Process And Device For Determining A Transforming Element For A Given Transformation Function, Method And Device For Transforming A Digital Signal From The Time Domain Into The Frequency Domain And Vice Versa And Computer Readable Medium
KR101141247B1 (ko) * 2003-10-10 2012-05-04 에이전시 포 사이언스, 테크놀로지 앤드 리서치 디지털 신호를 확장성 비트스트림으로 인코딩하는 방법；확장성 비트스트림을 디코딩하는 방법
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
ATE455348T1 (de) 2005-08-30 2010-01-15 Lg Electronics Inc Vorrichtung und verfahren zur dekodierung eines audiosignals
KR100878833B1 (ko) 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7653533B2 (en) 2005-10-24 2010-01-26 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
CN102177426B (zh) * 2008-10-08 2014-11-05 弗兰霍菲尔运输应用研究公司 多分辨率切换音频编码/解码方案
CN102918590B (zh) * 2010-03-31 2014-12-10 韩国电子通信研究院 编码方法和装置、以及解码方法和装置
US20120029926A1 (en) * 2010-07-30 2012-02-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio 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 (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
US10354667B2 (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
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
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
CN115410583A (zh) 2018-04-11 2022-11-29 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

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Publication number Publication date
CA2482427A1 (en) 2003-10-23
JP2005527851A (ja) 2005-09-15
DE50204426D1 (de) 2005-11-03
HK1077391A1 (en) 2006-02-10
CN1625768A (zh) 2005-06-08
KR100892152B1 (ko) 2009-04-10
WO2003088212A1 (de) 2003-10-23
AU2002358578A1 (en) 2003-10-27
DE10217297A1 (de) 2003-11-06
CN1258172C (zh) 2006-05-31
KR20050007312A (ko) 2005-01-17
EP1495464A1 (de) 2005-01-12
EP1495464B1 (de) 2005-09-28
ATE305655T1 (de) 2005-10-15
CA2482427C (en) 2010-01-19

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