JP2005531014A - ハーモニック成分を利用したオーディオコーディング方法及び装置 - Google Patents

ハーモニック成分を利用したオーディオコーディング方法及び装置 Download PDF

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JP2005531014A
JP2005531014A JP2003562916A JP2003562916A JP2005531014A JP 2005531014 A JP2005531014 A JP 2005531014A JP 2003562916 A JP2003562916 A JP 2003562916A JP 2003562916 A JP2003562916 A JP 2003562916A JP 2005531014 A JP2005531014 A JP 2005531014A
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audio data
harmonic component
pcm audio
mdct
extracted
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JP2005531014A5 (https=
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ホ−ジン・ハ
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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)
JP2003562916A 2002-06-27 2002-12-12 ハーモニック成分を利用したオーディオコーディング方法及び装置 Pending JP2005531014A (ja)

Applications Claiming Priority (2)

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
PCT/KR2002/002348 WO2003063135A1 (en) 2002-06-27 2002-12-12 Audio coding method and apparatus using harmonic extraction

Publications (2)

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JP2005531014A true JP2005531014A (ja) 2005-10-13
JP2005531014A5 JP2005531014A5 (https=) 2006-07-13

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JP2003562916A Pending JP2005531014A (ja) 2002-06-27 2002-12-12 ハーモニック成分を利用したオーディオコーディング方法及び装置

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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
KR100684029B1 (ko) * 2005-09-13 2007-02-20 엘지전자 주식회사 푸리에 변환을 이용한 배음 생성 방법 및 이를 위한 장치,다운 샘플링에 의한 배음 생성 방법 및 이를 위한 장치와소리 보정 방법 및 이를 위한 장치
KR100788706B1 (ko) * 2006-11-28 2007-12-26 삼성전자주식회사 광대역 음성 신호의 부호화/복호화 방법
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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JPH0364800A (ja) * 1989-08-03 1991-03-20 Ricoh Co Ltd 音声符号化及び復号化方式
JPH09181611A (ja) * 1995-12-23 1997-07-11 Nec Corp 信号符号化装置及び方法
JPH10178349A (ja) * 1996-12-19 1998-06-30 Matsushita Electric Ind Co Ltd オーディオ信号の符号化方法および復号方法
WO2000051243A1 (en) * 1999-02-24 2000-08-31 Soo Geun You A backward decoding method of digital audio data
JP2000267700A (ja) * 1999-03-17 2000-09-29 Yrp Kokino Idotai Tsushin Kenkyusho:Kk 音声符号化復号方法および装置

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JPH02204800A (ja) * 1988-04-08 1990-08-14 American Teleph & Telegr Co <Att> スピーチ処理と合成方法及びその装置
JPH0364800A (ja) * 1989-08-03 1991-03-20 Ricoh Co Ltd 音声符号化及び復号化方式
JPH09181611A (ja) * 1995-12-23 1997-07-11 Nec Corp 信号符号化装置及び方法
JPH10178349A (ja) * 1996-12-19 1998-06-30 Matsushita Electric Ind Co Ltd オーディオ信号の符号化方法および復号方法
WO2000051243A1 (en) * 1999-02-24 2000-08-31 Soo Geun You A backward decoding method of digital audio data
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GB0427660D0 (en) 2005-01-19
CN1262990C (zh) 2006-07-05
KR20040001184A (ko) 2004-01-07
US20040002854A1 (en) 2004-01-01
GB2408184B (en) 2006-01-04
DE10297751T5 (de) 2005-07-07
DE10297751B4 (de) 2005-12-22
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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