KR100469002B1 - 오디오 코딩 방법 및 장치 - Google Patents

오디오 코딩 방법 및 장치 Download PDF

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Publication number
KR100469002B1
KR100469002B1 KR10-1999-7008369A KR19997008369A KR100469002B1 KR 100469002 B1 KR100469002 B1 KR 100469002B1 KR 19997008369 A KR19997008369 A KR 19997008369A KR 100469002 B1 KR100469002 B1 KR 100469002B1
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South Korea
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audio signal
generating
quantized
signal
signals
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KR10-1999-7008369A
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English (en)
Korean (ko)
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KR20000076273A (ko
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인린
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노키아 모빌 폰즈 리미티드
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Publication of KR20000076273A publication Critical patent/KR20000076273A/ko
Application granted granted Critical
Publication of KR100469002B1 publication Critical patent/KR100469002B1/ko
Assigned to 노키아 코포레이션 reassignment 노키아 코포레이션 권리의 전부이전등록 Assignors: 노키아 모빌 폰즈 리미티드
Assigned to 노키아 테크놀로지스 오와이 reassignment 노키아 테크놀로지스 오와이 권리의 전부이전등록 Assignors: 노키아 코포레이션
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • 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
    • G10L19/04—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 predictive techniques
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Telephone Function (AREA)
KR10-1999-7008369A 1997-03-14 1998-02-18 오디오 코딩 방법 및 장치 Expired - Lifetime KR100469002B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI971108A FI114248B (fi) 1997-03-14 1997-03-14 Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
FI971108 1997-03-14
PCT/FI1998/000146 WO1998042083A1 (en) 1997-03-14 1998-02-18 Audio coding method and apparatus

Publications (2)

Publication Number Publication Date
KR20000076273A KR20000076273A (ko) 2000-12-26
KR100469002B1 true KR100469002B1 (ko) 2005-01-29

Family

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Family Applications (1)

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KR10-1999-7008369A Expired - Lifetime KR100469002B1 (ko) 1997-03-14 1998-02-18 오디오 코딩 방법 및 장치

Country Status (13)

Country Link
US (2) US6721700B1 (https=)
EP (1) EP0966793B1 (https=)
JP (2) JP3391686B2 (https=)
KR (1) KR100469002B1 (https=)
CN (1) CN1135721C (https=)
AU (1) AU733156B2 (https=)
DE (1) DE19811039B4 (https=)
ES (1) ES2164414T3 (https=)
FI (1) FI114248B (https=)
FR (1) FR2761801B1 (https=)
GB (1) GB2323759B (https=)
SE (1) SE521129C2 (https=)
WO (1) WO1998042083A1 (https=)

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US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
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US7774205B2 (en) 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
CN101075436B (zh) * 2007-06-26 2011-07-13 北京中星微电子有限公司 带补偿的音频编、解码方法及装置
US20090048827A1 (en) * 2007-08-17 2009-02-19 Manoj Kumar Method and system for audio frame estimation
ATE518224T1 (de) * 2008-01-04 2011-08-15 Dolby Int Ab Audiokodierer und -dekodierer
WO2009132662A1 (en) * 2008-04-28 2009-11-05 Nokia Corporation Encoding/decoding for improved frequency response
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Also Published As

Publication number Publication date
FI971108A0 (fi) 1997-03-14
US6721700B1 (en) 2004-04-13
KR20000076273A (ko) 2000-12-26
AU6216498A (en) 1998-10-12
CN1195930A (zh) 1998-10-14
JPH10282999A (ja) 1998-10-23
DE19811039A1 (de) 1998-09-17
JP2003140697A (ja) 2003-05-16
JP3391686B2 (ja) 2003-03-31
EP0966793A1 (en) 1999-12-29
SE521129C2 (sv) 2003-09-30
GB2323759A (en) 1998-09-30
WO1998042083A1 (en) 1998-09-24
GB2323759B (en) 2002-01-16
DE19811039B4 (de) 2005-07-21
GB9805294D0 (en) 1998-05-06
FI971108A7 (fi) 1998-09-15
US7194407B2 (en) 2007-03-20
SE9800776L (sv) 1998-09-15
EP0966793B1 (en) 2001-09-19
FI114248B (fi) 2004-09-15
FR2761801A1 (fr) 1998-10-09
AU733156B2 (en) 2001-05-10
CN1135721C (zh) 2004-01-21
SE9800776D0 (sv) 1998-03-10
FR2761801B1 (fr) 1999-12-31
ES2164414T3 (es) 2002-02-16
US20040093208A1 (en) 2004-05-13

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