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
Inventor
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

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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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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
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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
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
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
EP2304719B1 (en) 2008-07-11 2017-07-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, methods for providing an audio stream and computer program
JP5606433B2 (ja) 2008-07-11 2014-10-15 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 オーディオエンコーダ及びオーディオデコーダ
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
ES2531013T3 (es) 2009-10-20 2015-03-10 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio, método para codificar información de audio, método para decodificar información de audio y programa de computación que usa la detección de un grupo de valores espectrales 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
WO2012110448A1 (en) * 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
CN105825858B (zh) 2011-05-13 2020-02-14 三星电子株式会社 比特分配、音频编码和解码
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
US20040002854A1 (en) 2004-01-01
RU2004138088A (ru) 2005-06-27
WO2003063135A1 (en) 2003-07-31
JP2005531014A (ja) 2005-10-13
GB2408184A (en) 2005-05-18
CN1639769A (zh) 2005-07-13
DE10297751T5 (de) 2005-07-07
CA2490064A1 (en) 2003-07-31
GB0427660D0 (en) 2005-01-19
GB2408184B (en) 2006-01-04
KR100462611B1 (ko) 2004-12-20
RU2289858C2 (ru) 2006-12-20
CN1262990C (zh) 2006-07-05
KR20040001184A (ko) 2004-01-07

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