CN1262990C - 利用谐波提取的音频编码方法和设备 - Google Patents

利用谐波提取的音频编码方法和设备 Download PDF

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Publication number
CN1262990C
CN1262990C CNB028293487A CN02829348A CN1262990C CN 1262990 C CN1262990 C CN 1262990C CN B028293487 A CNB028293487 A CN B028293487A CN 02829348 A CN02829348 A CN 02829348A CN 1262990 C CN1262990 C CN 1262990C
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China
Prior art keywords
audio data
pcm audio
harmonic components
extracted
discrete cosine
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Expired - Fee Related
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CNB028293487A
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English (en)
Chinese (zh)
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CN1639769A (zh
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河昊振
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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)
CNB028293487A 2002-06-27 2002-12-12 利用谐波提取的音频编码方法和设备 Expired - Fee Related CN1262990C (zh)

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
KR2002/36310 2002-06-27

Publications (2)

Publication Number Publication Date
CN1639769A CN1639769A (zh) 2005-07-13
CN1262990C true CN1262990C (zh) 2006-07-05

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CNB028293487A Expired - Fee Related CN1262990C (zh) 2002-06-27 2002-12-12 利用谐波提取的音频编码方法和设备

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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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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.
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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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Publication number Publication date
GB0427660D0 (en) 2005-01-19
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
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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