DE10297751B4 - Audiocodierverfahren und Vorrichtung, die die Harmonischen-Extraktion verwenden - Google Patents

Audiocodierverfahren und Vorrichtung, die die Harmonischen-Extraktion verwenden Download PDF

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Publication number
DE10297751B4
DE10297751B4 DE10297751T DE10297751T DE10297751B4 DE 10297751 B4 DE10297751 B4 DE 10297751B4 DE 10297751 T DE10297751 T DE 10297751T DE 10297751 T DE10297751 T DE 10297751T DE 10297751 B4 DE10297751 B4 DE 10297751B4
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Prior art keywords
audio data
pcm audio
mdct
harmonic components
harmonic
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Expired - Fee Related
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DE10297751T
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German (de)
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DE10297751T5 (de
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Ho-Jin Ha
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE10297751T 2002-06-27 2002-12-12 Audiocodierverfahren und Vorrichtung, die die Harmonischen-Extraktion verwenden Expired - Fee Related DE10297751B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2002-0036310A KR100462611B1 (ko) 2002-06-27 2002-06-27 하모닉 성분을 이용한 오디오 코딩방법 및 장치
KR2002/36310 2002-06-27
PCT/KR2002/002348 WO2003063135A1 (en) 2002-06-27 2002-12-12 Audio coding method and apparatus using harmonic extraction

Publications (2)

Publication Number Publication Date
DE10297751T5 DE10297751T5 (de) 2005-07-07
DE10297751B4 true DE10297751B4 (de) 2005-12-22

Family

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DE10297751T Expired - Fee Related DE10297751B4 (de) 2002-06-27 2002-12-12 Audiocodierverfahren und Vorrichtung, die die Harmonischen-Extraktion verwenden

Country Status (9)

Country Link
US (1) US20040002854A1 (https=)
JP (1) JP2005531014A (https=)
KR (1) KR100462611B1 (https=)
CN (1) CN1262990C (https=)
CA (1) CA2490064A1 (https=)
DE (1) DE10297751B4 (https=)
GB (1) GB2408184B (https=)
RU (1) RU2289858C2 (https=)
WO (1) WO2003063135A1 (https=)

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JP4720302B2 (ja) * 2005-06-07 2011-07-13 トヨタ自動車株式会社 自動変速機のクラッチ装置
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EP2165328B1 (en) * 2007-06-11 2018-01-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of an audio signal having an impulse-like portion and a stationary portion
US20090099844A1 (en) * 2007-10-16 2009-04-16 Qualcomm Incorporated Efficient implementation of analysis and synthesis filterbanks for mpeg aac and mpeg aac eld encoders/decoders
US8631060B2 (en) 2007-12-13 2014-01-14 Qualcomm Incorporated Fast algorithms for computation of 5-point DCT-II, DCT-IV, and DST-IV, and architectures
RU2464540C2 (ru) * 2007-12-13 2012-10-20 Квэлкомм Инкорпорейтед Быстрые алгоритмы для вычисления 5-точечного dct-ii, dct-iv и dst-iv, и архитектуры
CN101552005A (zh) * 2008-04-03 2009-10-07 华为技术有限公司 编码方法、解码方法、系统及装置
EP3937167B1 (en) 2008-07-11 2023-05-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and audio decoder
ES2988414T3 (es) 2008-07-11 2024-11-20 Fraunhofer Ges Zur Foerderungder Angewandten Forschung E V Decodificador de audio
CN101751928B (zh) * 2008-12-08 2012-06-13 扬智科技股份有限公司 应用音频帧频谱平坦度简化声学模型分析的方法及其装置
BR122022013454B1 (pt) 2009-10-20 2023-05-16 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
RU2430407C1 (ru) * 2010-04-20 2011-09-27 Общество с ограниченной ответственностью "Научно-производственное предприятие "Цифровые решения" Устройство для вычисления дискретного косинусного преобразования
JP5914527B2 (ja) * 2011-02-14 2016-05-11 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 過渡検出及び品質結果を使用してオーディオ信号の一部分を符号化する装置及び方法
MX2013013261A (es) * 2011-05-13 2014-02-20 Samsung Electronics Co Ltd Asignacion de bits, codificacion y decodificacion de audio.
RU2464649C1 (ru) * 2011-06-01 2012-10-20 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ обработки звукового сигнала
CN103516440B (zh) 2012-06-29 2015-07-08 华为技术有限公司 语音频信号处理方法和编码装置

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Also Published As

Publication number Publication date
GB0427660D0 (en) 2005-01-19
CN1262990C (zh) 2006-07-05
KR20040001184A (ko) 2004-01-07
JP2005531014A (ja) 2005-10-13
US20040002854A1 (en) 2004-01-01
GB2408184B (en) 2006-01-04
DE10297751T5 (de) 2005-07-07
CN1639769A (zh) 2005-07-13
WO2003063135A1 (en) 2003-07-31
CA2490064A1 (en) 2003-07-31
RU2004138088A (ru) 2005-06-27
KR100462611B1 (ko) 2004-12-20
RU2289858C2 (ru) 2006-12-20
GB2408184A (en) 2005-05-18

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