CN101053019B - 使用复值滤波器组的音频信号的编码和解码的装置和方法 - Google Patents

使用复值滤波器组的音频信号的编码和解码的装置和方法 Download PDF

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Publication number
CN101053019B
CN101053019B CN2005800377577A CN200580037757A CN101053019B CN 101053019 B CN101053019 B CN 101053019B CN 2005800377577 A CN2005800377577 A CN 2005800377577A CN 200580037757 A CN200580037757 A CN 200580037757A CN 101053019 B CN101053019 B CN 101053019B
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subband
signal
folding
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time
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CN101053019A (zh
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L·F·威勒摩斯
E·G·P·舒伊杰斯
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Dolby International Ltd
Koninklijke Philips NV
Dolby Sweden AB
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Coding Technologies Sweden AB
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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
    • 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
    • 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
    • G10L19/0204—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 using subband decomposition
    • 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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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN2005800377577A 2004-11-02 2005-10-31 使用复值滤波器组的音频信号的编码和解码的装置和方法 Expired - Lifetime CN101053019B (zh)

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EP04105457 2004-11-02
EP04105457.8 2004-11-02
EP05108293 2005-09-09
EP05108293.1 2005-09-09
PCT/IB2005/053545 WO2006048814A1 (en) 2004-11-02 2005-10-31 Encoding and decoding of audio signals using complex-valued filter banks

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CN201110040478.3A Division CN102148035B (zh) 2004-11-02 2005-10-31 使用复值滤波器组的音频信号的编码和解码

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CN101053019B true CN101053019B (zh) 2012-01-25

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CN201110040478.3A Expired - Lifetime CN102148035B (zh) 2004-11-02 2005-10-31 使用复值滤波器组的音频信号的编码和解码

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US (1) US8255231B2 (https=)
EP (1) EP1810281B1 (https=)
JP (1) JP4939424B2 (https=)
KR (1) KR101187597B1 (https=)
CN (2) CN101053019B (https=)
BR (1) BRPI0517234B1 (https=)
ES (1) ES2791001T3 (https=)
MX (1) MX2007005103A (https=)
PL (1) PL1810281T3 (https=)
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KR101826331B1 (ko) 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
JP5552988B2 (ja) * 2010-09-27 2014-07-16 富士通株式会社 音声帯域拡張装置および音声帯域拡張方法
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Publication number Priority date Publication date Assignee Title
CN107452392A (zh) * 2013-01-08 2017-12-08 杜比国际公司 临界采样滤波器组中的基于模型的预测
CN107452392B (zh) * 2013-01-08 2020-09-01 杜比国际公司 临界采样滤波器组中的基于模型的预测

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Publication number Publication date
WO2006048814A1 (en) 2006-05-11
EP1810281B1 (en) 2020-02-26
KR20070085681A (ko) 2007-08-27
JP2008519290A (ja) 2008-06-05
CN101053019A (zh) 2007-10-10
BRPI0517234B1 (pt) 2019-07-02
US20090063140A1 (en) 2009-03-05
EP1810281A1 (en) 2007-07-25
MX2007005103A (es) 2007-07-04
JP4939424B2 (ja) 2012-05-23
BRPI0517234A (pt) 2008-10-07
US8255231B2 (en) 2012-08-28
ES2791001T3 (es) 2020-10-30
PL1810281T3 (pl) 2020-07-27
RU2407069C2 (ru) 2010-12-20
KR101187597B1 (ko) 2012-10-12
CN102148035A (zh) 2011-08-10
CN102148035B (zh) 2014-06-18
RU2007120591A (ru) 2008-12-10

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Address after: Holland Ian Deho Finn

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Granted publication date: 20120125