FI971108A0 - Audiokoodausmenetelmä ja -laite - Google Patents

Audiokoodausmenetelmä ja -laite

Info

Publication number
FI971108A0
FI971108A0 FI971108A FI971108A FI971108A0 FI 971108 A0 FI971108 A0 FI 971108A0 FI 971108 A FI971108 A FI 971108A FI 971108 A FI971108 A FI 971108A FI 971108 A0 FI971108 A0 FI 971108A0
Authority
FI
Finland
Prior art keywords
coding method
audio coding
audio
coding
Prior art date
Application number
FI971108A
Other languages
English (en)
Swedish (sv)
Other versions
FI971108A (fi
FI114248B (fi
Inventor
Lin Yin
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of FI971108A0 publication Critical patent/FI971108A0/fi
Priority to FI971108A priority Critical patent/FI114248B/fi
Priority to PCT/FI1998/000146 priority patent/WO1998042083A1/en
Priority to EP98904191A priority patent/EP0966793B1/en
Priority to AU62164/98A priority patent/AU733156B2/en
Priority to KR10-1999-7008369A priority patent/KR100469002B1/ko
Priority to ES98904191T priority patent/ES2164414T3/es
Priority to US09/036,102 priority patent/US6721700B1/en
Priority to SE9800776A priority patent/SE521129C2/sv
Priority to GB9805294A priority patent/GB2323759B/en
Priority to DE19811039A priority patent/DE19811039B4/de
Priority to FR9803135A priority patent/FR2761801B1/fr
Priority to CNB981041809A priority patent/CN1135721C/zh
Priority to JP06351498A priority patent/JP3391686B2/ja
Publication of FI971108A publication Critical patent/FI971108A/fi
Priority to JP2002293702A priority patent/JP2003140697A/ja
Priority to US10/704,068 priority patent/US7194407B2/en
Application granted granted Critical
Publication of FI114248B publication Critical patent/FI114248B/fi

Links

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)
FI971108A 1997-03-14 1997-03-14 Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen FI114248B (fi)

Priority Applications (15)

Application Number Priority Date Filing Date Title
FI971108A FI114248B (fi) 1997-03-14 1997-03-14 Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
PCT/FI1998/000146 WO1998042083A1 (en) 1997-03-14 1998-02-18 Audio coding method and apparatus
EP98904191A EP0966793B1 (en) 1997-03-14 1998-02-18 Audio coding method and apparatus
AU62164/98A AU733156B2 (en) 1997-03-14 1998-02-18 Audio coding method and apparatus
KR10-1999-7008369A KR100469002B1 (ko) 1997-03-14 1998-02-18 오디오 코딩 방법 및 장치
ES98904191T ES2164414T3 (es) 1997-03-14 1998-02-18 Metodo y aparato para codificacion de audio.
US09/036,102 US6721700B1 (en) 1997-03-14 1998-03-06 Audio coding method and apparatus
SE9800776A SE521129C2 (sv) 1997-03-14 1998-03-10 Sätt och anordning för audiokodning
GB9805294A GB2323759B (en) 1997-03-14 1998-03-12 Audio coding method and apparatus
DE19811039A DE19811039B4 (de) 1997-03-14 1998-03-13 Verfahren und Vorrichtungen zum Codieren und Decodieren von Audiosignalen
FR9803135A FR2761801B1 (fr) 1997-03-14 1998-03-13 Methode de codage audio et dispositif
CNB981041809A CN1135721C (zh) 1997-03-14 1998-03-13 音频信号编码方法及其有关设备
JP06351498A JP3391686B2 (ja) 1997-03-14 1998-03-13 符号化されたオーディオ信号を復号する方法及び装置
JP2002293702A JP2003140697A (ja) 1997-03-14 2002-10-07 オーディオ信号を符号化する方法及び装置
US10/704,068 US7194407B2 (en) 1997-03-14 2003-11-07 Audio coding method and apparatus

Applications Claiming Priority (2)

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

Publications (3)

Publication Number Publication Date
FI971108A0 true FI971108A0 (fi) 1997-03-14
FI971108A FI971108A (fi) 1998-09-15
FI114248B FI114248B (fi) 2004-09-15

Family

ID=8548401

Family Applications (1)

Application Number Title Priority Date Filing Date
FI971108A FI114248B (fi) 1997-03-14 1997-03-14 Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen

Country Status (13)

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

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CN1860787A (zh) * 2003-09-29 2006-11-08 手持娱乐公司 用于编码信息的方法和装置
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US7684981B2 (en) 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
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US7693709B2 (en) 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
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US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US8599925B2 (en) 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
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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
US8179974B2 (en) 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
KR20090122143A (ko) * 2008-05-23 2009-11-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
CN102216982A (zh) * 2008-09-18 2011-10-12 韩国电子通信研究院 在基于修正离散余弦变换的译码器与异质译码器间转换的编码设备和解码设备
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Also Published As

Publication number Publication date
DE19811039A1 (de) 1998-09-17
US7194407B2 (en) 2007-03-20
KR100469002B1 (ko) 2005-01-29
FR2761801A1 (fr) 1998-10-09
EP0966793A1 (en) 1999-12-29
DE19811039B4 (de) 2005-07-21
AU6216498A (en) 1998-10-12
US6721700B1 (en) 2004-04-13
CN1135721C (zh) 2004-01-21
GB9805294D0 (en) 1998-05-06
KR20000076273A (ko) 2000-12-26
SE521129C2 (sv) 2003-09-30
GB2323759B (en) 2002-01-16
FI971108A (fi) 1998-09-15
GB2323759A (en) 1998-09-30
JP2003140697A (ja) 2003-05-16
ES2164414T3 (es) 2002-02-16
CN1195930A (zh) 1998-10-14
FR2761801B1 (fr) 1999-12-31
FI114248B (fi) 2004-09-15
SE9800776D0 (sv) 1998-03-10
US20040093208A1 (en) 2004-05-13
WO1998042083A1 (en) 1998-09-24
EP0966793B1 (en) 2001-09-19
JP3391686B2 (ja) 2003-03-31
JPH10282999A (ja) 1998-10-23
AU733156B2 (en) 2001-05-10
SE9800776L (sv) 1998-09-15

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