JP3391686B2 - 符号化されたオーディオ信号を復号する方法及び装置 - Google Patents

符号化されたオーディオ信号を復号する方法及び装置

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Publication number
JP3391686B2
JP3391686B2 JP06351498A JP6351498A JP3391686B2 JP 3391686 B2 JP3391686 B2 JP 3391686B2 JP 06351498 A JP06351498 A JP 06351498A JP 6351498 A JP6351498 A JP 6351498A JP 3391686 B2 JP3391686 B2 JP 3391686B2
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Japan
Prior art keywords
audio signal
signal
prediction
quantized
frequency
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Legal status (The legal status 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 status listed.)
Expired - Lifetime
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JP06351498A
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English (en)
Japanese (ja)
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JPH10282999A (ja
Inventor
イン リン
Original Assignee
ノキア モービル フォーンズ リミティド
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Publication of JPH10282999A publication Critical patent/JPH10282999A/ja
Application granted granted Critical
Publication of JP3391686B2 publication Critical patent/JP3391686B2/ja
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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)
JP06351498A 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 Expired - Lifetime JP3391686B2 (ja)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2002293702A Division 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

Publications (2)

Publication Number Publication Date
JPH10282999A JPH10282999A (ja) 1998-10-23
JP3391686B2 true JP3391686B2 (ja) 2003-03-31

Family

ID=8548401

Family Applications (2)

Application Number Title Priority Date Filing Date
JP06351498A Expired - Lifetime 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 Pending 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

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2002293702A Pending 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

Country Status (13)

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

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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
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Also Published As

Publication number Publication date
CN1195930A (zh) 1998-10-14
JP2003140697A (ja) 2003-05-16
FR2761801A1 (fr) 1998-10-09
CN1135721C (zh) 2004-01-21
FI971108A7 (fi) 1998-09-15
DE19811039B4 (de) 2005-07-21
GB2323759A (en) 1998-09-30
WO1998042083A1 (en) 1998-09-24
SE9800776L (sv) 1998-09-15
FI114248B (fi) 2004-09-15
US7194407B2 (en) 2007-03-20
AU6216498A (en) 1998-10-12
KR20000076273A (ko) 2000-12-26
JPH10282999A (ja) 1998-10-23
DE19811039A1 (de) 1998-09-17
KR100469002B1 (ko) 2005-01-29
FR2761801B1 (fr) 1999-12-31
US20040093208A1 (en) 2004-05-13
US6721700B1 (en) 2004-04-13
AU733156B2 (en) 2001-05-10
ES2164414T3 (es) 2002-02-16
GB2323759B (en) 2002-01-16
EP0966793A1 (en) 1999-12-29
SE521129C2 (sv) 2003-09-30
GB9805294D0 (en) 1998-05-06
SE9800776D0 (sv) 1998-03-10
FI971108A0 (fi) 1997-03-14
EP0966793B1 (en) 2001-09-19

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