FI114248B - Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen - Google Patents

Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen Download PDF

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Publication number
FI114248B
FI114248B FI971108A FI971108A FI114248B FI 114248 B FI114248 B FI 114248B FI 971108 A FI971108 A FI 971108A FI 971108 A FI971108 A FI 971108A FI 114248 B FI114248 B FI 114248B
Authority
FI
Finland
Prior art keywords
audio signal
quantized
frequency
predicted
signal
Prior art date
Application number
FI971108A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI971108A (fi
FI971108A0 (fi
Inventor
Lin Yin
Original Assignee
Nokia Corp
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 Corp filed Critical Nokia Corp
Publication of FI971108A0 publication Critical patent/FI971108A0/fi
Priority to FI971108A priority Critical patent/FI114248B/fi
Priority to ES98904191T priority patent/ES2164414T3/es
Priority to EP98904191A priority patent/EP0966793B1/en
Priority to KR10-1999-7008369A priority patent/KR100469002B1/ko
Priority to PCT/FI1998/000146 priority patent/WO1998042083A1/en
Priority to AU62164/98A priority patent/AU733156B2/en
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 CNB981041809A priority patent/CN1135721C/zh
Priority to FR9803135A priority patent/FR2761801B1/fr
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

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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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
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
ES98904191T ES2164414T3 (es) 1997-03-14 1998-02-18 Metodo y aparato para codificacion de audio.
EP98904191A EP0966793B1 (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
PCT/FI1998/000146 WO1998042083A1 (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
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
CNB981041809A CN1135721C (zh) 1997-03-14 1998-03-13 音频信号编码方法及其有关设备
FR9803135A FR2761801B1 (fr) 1997-03-14 1998-03-13 Methode de codage audio et dispositif
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 FI971108A0 (fi) 1997-03-14
FI971108A FI971108A (fi) 1998-09-15
FI114248B true 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 (zh)
EP (1) EP0966793B1 (zh)
JP (2) JP3391686B2 (zh)
KR (1) KR100469002B1 (zh)
CN (1) CN1135721C (zh)
AU (1) AU733156B2 (zh)
DE (1) DE19811039B4 (zh)
ES (1) ES2164414T3 (zh)
FI (1) FI114248B (zh)
FR (1) FR2761801B1 (zh)
GB (1) GB2323759B (zh)
SE (1) SE521129C2 (zh)
WO (1) WO1998042083A1 (zh)

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US8599925B2 (en) 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US7565018B2 (en) * 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
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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
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Also Published As

Publication number Publication date
ES2164414T3 (es) 2002-02-16
FR2761801A1 (fr) 1998-10-09
SE521129C2 (sv) 2003-09-30
CN1195930A (zh) 1998-10-14
SE9800776D0 (sv) 1998-03-10
GB2323759A (en) 1998-09-30
US6721700B1 (en) 2004-04-13
EP0966793B1 (en) 2001-09-19
DE19811039B4 (de) 2005-07-21
SE9800776L (sv) 1998-09-15
US20040093208A1 (en) 2004-05-13
GB9805294D0 (en) 1998-05-06
AU6216498A (en) 1998-10-12
KR100469002B1 (ko) 2005-01-29
DE19811039A1 (de) 1998-09-17
JPH10282999A (ja) 1998-10-23
JP3391686B2 (ja) 2003-03-31
WO1998042083A1 (en) 1998-09-24
FI971108A (fi) 1998-09-15
GB2323759B (en) 2002-01-16
FI971108A0 (fi) 1997-03-14
KR20000076273A (ko) 2000-12-26
AU733156B2 (en) 2001-05-10
FR2761801B1 (fr) 1999-12-31
US7194407B2 (en) 2007-03-20
CN1135721C (zh) 2004-01-21
JP2003140697A (ja) 2003-05-16
EP0966793A1 (en) 1999-12-29

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