GB2408184B - Audio coding method and apparatus using harmonic extraction - Google Patents

Audio coding method and apparatus using harmonic extraction

Info

Publication number
GB2408184B
GB2408184B GB0427660A GB0427660A GB2408184B GB 2408184 B GB2408184 B GB 2408184B GB 0427660 A GB0427660 A GB 0427660A GB 0427660 A GB0427660 A GB 0427660A GB 2408184 B GB2408184 B GB 2408184B
Authority
GB
United Kingdom
Prior art keywords
coding method
audio coding
harmonic extraction
harmonic
extraction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0427660A
Other languages
English (en)
Other versions
GB2408184A (en
GB0427660D0 (en
Inventor
Ho-Jin Ha
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of GB0427660D0 publication Critical patent/GB0427660D0/en
Publication of GB2408184A publication Critical patent/GB2408184A/en
Application granted granted Critical
Publication of GB2408184B publication Critical patent/GB2408184B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • 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)
GB0427660A 2002-06-27 2002-12-12 Audio coding method and apparatus using harmonic extraction Expired - Fee Related GB2408184B (en)

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 (3)

Publication Number Publication Date
GB0427660D0 GB0427660D0 (en) 2005-01-19
GB2408184A GB2408184A (en) 2005-05-18
GB2408184B true GB2408184B (en) 2006-01-04

Family

ID=27607091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0427660A Expired - Fee Related GB2408184B (en) 2002-06-27 2002-12-12 Audio coding method and apparatus using harmonic extraction

Country Status (9)

Country Link
US (1) US20040002854A1 (cg-RX-API-DMAC7.html)
JP (1) JP2005531014A (cg-RX-API-DMAC7.html)
KR (1) KR100462611B1 (cg-RX-API-DMAC7.html)
CN (1) CN1262990C (cg-RX-API-DMAC7.html)
CA (1) CA2490064A1 (cg-RX-API-DMAC7.html)
DE (1) DE10297751B4 (cg-RX-API-DMAC7.html)
GB (1) GB2408184B (cg-RX-API-DMAC7.html)
RU (1) RU2289858C2 (cg-RX-API-DMAC7.html)
WO (1) WO2003063135A1 (cg-RX-API-DMAC7.html)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080120097A1 (en) * 2004-03-30 2008-05-22 Guy Fleishman Apparatus and Method for Digital Coding of Sound
WO2005096509A1 (en) 2004-03-31 2005-10-13 Intel Corporation Multi-threshold message passing decoding of low-density parity check codes
RU2337478C2 (ru) * 2004-03-31 2008-10-27 Интел Корпорейшн Декодирование высокоизбыточных кодов с контролем четности с использованием многопорогового прохождения сообщения
KR20070083856A (ko) * 2004-10-28 2007-08-24 마츠시타 덴끼 산교 가부시키가이샤 스케일러블 부호화 장치, 스케일러블 복호화 장치 및이러한 방법
CN101091321A (zh) 2004-12-29 2007-12-19 英特尔公司 用于低密度奇偶校验码的多门限解码的固定门限和信道估计
KR100707186B1 (ko) * 2005-03-24 2007-04-13 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법 및 기록 매체
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
DE112005003790B4 (de) 2005-12-26 2013-03-07 Intel Corporation Verallgemeinerter Mehrschwellen-Decodierer für Codes für Paritätsprüfungen geringer Dichte
KR100788706B1 (ko) * 2006-11-28 2007-12-26 삼성전자주식회사 광대역 음성 신호의 부호화/복호화 방법
RU2439721C2 (ru) * 2007-06-11 2012-01-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Аудиокодер для кодирования аудиосигнала, имеющего импульсоподобную и стационарную составляющие, способы кодирования, декодер, способ декодирования и кодированный аудиосигнал
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
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
ES2642906T3 (es) 2008-07-11 2017-11-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio, procedimientos para proporcionar un flujo de audio y programa de ordenador
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
WO2011048100A1 (en) 2009-10-20 2011-04-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction
RU2430407C1 (ru) * 2010-04-20 2011-09-27 Общество с ограниченной ответственностью "Научно-производственное предприятие "Цифровые решения" Устройство для вычисления дискретного косинусного преобразования
MY166006A (en) * 2011-02-14 2018-05-21 Fraunhofer Ges Forschung Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
MY186720A (en) * 2011-05-13 2021-08-12 Samsung Electronics Co Ltd Bit allocating, audio encoding and decoding
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481614A (en) * 1992-03-02 1996-01-02 At&T Corp. Method and apparatus for coding audio signals based on perceptual model
US5819212A (en) * 1995-10-26 1998-10-06 Sony Corporation Voice encoding method and apparatus using modified discrete cosine transform
KR19980072457A (ko) * 1997-03-05 1998-11-05 이준우 오디오 신호의 압축시 심리음향에서의 신호처리방법 및 그 장치
KR20020077959A (ko) * 2001-04-03 2002-10-18 엘지전자 주식회사 디지탈 오디오 부호화기 및 복호화 방법

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023910A (en) * 1988-04-08 1991-06-11 At&T Bell Laboratories Vector quantization in a harmonic speech coding arrangement
JPH0364800A (ja) * 1989-08-03 1991-03-20 Ricoh Co Ltd 音声符号化及び復号化方式
JP3266920B2 (ja) * 1991-09-25 2002-03-18 三菱電機株式会社 音声符号化装置及び音声復号化装置並びに音声符号化復号化装置
US5717821A (en) * 1993-05-31 1998-02-10 Sony Corporation Method, apparatus and recording medium for coding of separated tone and noise characteristic spectral components of an acoustic sibnal
PL174314B1 (pl) * 1993-06-30 1998-07-31 Sony Corp Sposób i urządzenie do dekodowania sygnałów cyfrowych
JPH0736486A (ja) * 1993-07-22 1995-02-07 Matsushita Electric Ind Co Ltd 音声符号化装置
JP3131542B2 (ja) * 1993-11-25 2001-02-05 シャープ株式会社 符号化復号化装置
CA2136891A1 (en) * 1993-12-20 1995-06-21 Kalyan Ganesan Removal of swirl artifacts from celp based speech coders
DE19537338C2 (de) * 1995-10-06 2003-05-22 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren von Audiosignalen
JP2778567B2 (ja) * 1995-12-23 1998-07-23 日本電気株式会社 信号符号化装置及び方法
JPH09246983A (ja) * 1996-03-08 1997-09-19 Nec Eng Ltd ディジタル信号処理装置
US6269338B1 (en) * 1996-10-10 2001-07-31 U.S. Philips Corporation Data compression and expansion of an audio signal
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
US5930373A (en) * 1997-04-04 1999-07-27 K.S. Waves Ltd. Method and system for enhancing quality of sound signal
DE19742201C1 (de) * 1997-09-24 1999-02-04 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren von Audiosignalen
US6704705B1 (en) * 1998-09-04 2004-03-09 Nortel Networks Limited Perceptual audio coding
KR100300887B1 (ko) * 1999-02-24 2001-09-26 유수근 디지털 오디오 데이터의 역방향 디코딩 방법
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
JP2000276194A (ja) * 1999-03-25 2000-10-06 Yamaha Corp 波形圧縮方法及び波形生成方法
US6377916B1 (en) * 1999-11-29 2002-04-23 Digital Voice Systems, Inc. Multiband harmonic transform coder
DE10000934C1 (de) * 2000-01-12 2001-09-27 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Bestimmen eines Codierungs-Blockrasters eines decodierten Signals
JP4055336B2 (ja) * 2000-07-05 2008-03-05 日本電気株式会社 音声符号化装置及びそれに用いる音声符号化方法
KR100348899B1 (ko) * 2000-09-19 2002-08-14 한국전자통신연구원 캡스트럼 분석을 이용한 하모닉 노이즈 음성 부호화기 및부호화 방법
US6732071B2 (en) * 2001-09-27 2004-05-04 Intel Corporation Method, apparatus, and system for efficient rate control in audio encoding
KR100472442B1 (ko) * 2002-02-16 2005-03-08 삼성전자주식회사 웨이브렛 패킷 변환을 이용한 오디오 압축 방법 및 그시스템

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481614A (en) * 1992-03-02 1996-01-02 At&T Corp. Method and apparatus for coding audio signals based on perceptual model
US5819212A (en) * 1995-10-26 1998-10-06 Sony Corporation Voice encoding method and apparatus using modified discrete cosine transform
KR19980072457A (ko) * 1997-03-05 1998-11-05 이준우 오디오 신호의 압축시 심리음향에서의 신호처리방법 및 그 장치
KR20020077959A (ko) * 2001-04-03 2002-10-18 엘지전자 주식회사 디지탈 오디오 부호화기 및 복호화 방법

Also Published As

Publication number Publication date
DE10297751B4 (de) 2005-12-22
GB2408184A (en) 2005-05-18
WO2003063135A1 (en) 2003-07-31
CA2490064A1 (en) 2003-07-31
DE10297751T5 (de) 2005-07-07
KR20040001184A (ko) 2004-01-07
RU2004138088A (ru) 2005-06-27
RU2289858C2 (ru) 2006-12-20
US20040002854A1 (en) 2004-01-01
GB0427660D0 (en) 2005-01-19
CN1262990C (zh) 2006-07-05
KR100462611B1 (ko) 2004-12-20
CN1639769A (zh) 2005-07-13
JP2005531014A (ja) 2005-10-13

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Legal Events

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20191212