CA2490064A1 - Audio coding method and apparatus using harmonic extraction - Google Patents

Audio coding method and apparatus using harmonic extraction Download PDF

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Publication number
CA2490064A1
CA2490064A1 CA002490064A CA2490064A CA2490064A1 CA 2490064 A1 CA2490064 A1 CA 2490064A1 CA 002490064 A CA002490064 A CA 002490064A CA 2490064 A CA2490064 A CA 2490064A CA 2490064 A1 CA2490064 A1 CA 2490064A1
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CA
Canada
Prior art keywords
audio data
pcm audio
harmonic components
pcm
harmonic
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.)
Abandoned
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CA002490064A
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English (en)
French (fr)
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
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2490064A1 publication Critical patent/CA2490064A1/en
Abandoned legal-status Critical Current

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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)
CA002490064A 2002-06-27 2002-12-12 Audio coding method and apparatus using harmonic extraction Abandoned CA2490064A1 (en)

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 (1)

Publication Number Publication Date
CA2490064A1 true CA2490064A1 (en) 2003-07-31

Family

ID=27607091

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002490064A Abandoned CA2490064A1 (en) 2002-06-27 2002-12-12 Audio coding method and apparatus using harmonic extraction

Country Status (9)

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

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JP5686369B2 (ja) 2007-06-11 2015-03-18 フラウンホッファー−ゲゼルシャフト ツァー フェーデルング デア アンゲバンテン フォルシュング エー ファー インパルス状の部分と定常部分とを有するオーディオ信号を符号化するオーディオ符号器、符号化方法、復号器、および復号化方法
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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
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EP4407610B1 (en) 2008-07-11 2025-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder
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
BR112012009446B1 (pt) 2009-10-20 2023-03-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V Método e aparelho de armazenamento de dados
RU2430407C1 (ru) * 2010-04-20 2011-09-27 Общество с ограниченной ответственностью "Научно-производственное предприятие "Цифровые решения" Устройство для вычисления дискретного косинусного преобразования
BR112013020588B1 (pt) * 2011-02-14 2021-07-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparelho e método para codificação de uma parte de um sinal de áudio utilizando uma detecção transiente e um resultado de qualidade
EP3346465A1 (en) 2011-05-13 2018-07-11 Samsung Electronics Co., Ltd. Audio decoding with noise filling
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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
GB0427660D0 (en) 2005-01-19
GB2408184B (en) 2006-01-04
RU2004138088A (ru) 2005-06-27
CN1639769A (zh) 2005-07-13
GB2408184A (en) 2005-05-18
JP2005531014A (ja) 2005-10-13
RU2289858C2 (ru) 2006-12-20
DE10297751B4 (de) 2005-12-22
WO2003063135A1 (en) 2003-07-31
CN1262990C (zh) 2006-07-05
DE10297751T5 (de) 2005-07-07
KR20040001184A (ko) 2004-01-07
KR100462611B1 (ko) 2004-12-20

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