FI116992B - Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi - Google Patents

Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi Download PDF

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Publication number
FI116992B
FI116992B FI991537A FI991537A FI116992B FI 116992 B FI116992 B FI 116992B FI 991537 A FI991537 A FI 991537A FI 991537 A FI991537 A FI 991537A FI 116992 B FI116992 B FI 116992B
Authority
FI
Finland
Prior art keywords
information
audio signal
decoding
transmitted
coding
Prior art date
Application number
FI991537A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI991537A (fi
Inventor
Juha Ojanperae
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
Priority to FI991537A priority Critical patent/FI116992B/fi
Application filed by Nokia Corp filed Critical Nokia Corp
Priority to DE60021083T priority patent/DE60021083T2/de
Priority to CNB008124884A priority patent/CN1235190C/zh
Priority to ES00944090T priority patent/ES2244452T3/es
Priority to CA002378435A priority patent/CA2378435C/en
Priority to KR1020057013257A priority patent/KR100593459B1/ko
Priority to US09/610,461 priority patent/US7289951B1/en
Priority to EP00944090A priority patent/EP1203370B1/en
Priority to EP08170594A priority patent/EP2037451A1/en
Priority to AU58326/00A priority patent/AU761771B2/en
Priority to DE60041207T priority patent/DE60041207D1/de
Priority to AT00944090T priority patent/ATE298919T1/de
Priority to PCT/FI2000/000619 priority patent/WO2001003122A1/en
Priority to BRPI0012182A priority patent/BRPI0012182B1/pt
Priority to JP2001508440A priority patent/JP4142292B2/ja
Priority to CNB2005101201121A priority patent/CN100568344C/zh
Priority to KR1020017016955A priority patent/KR100545774B1/ko
Priority to AT05104931T priority patent/ATE418779T1/de
Priority to EP05104931A priority patent/EP1587062B1/en
Publication of FI991537A publication Critical patent/FI991537A/fi
Priority to JP2005056891A priority patent/JP4426483B2/ja
Priority to US11/296,957 priority patent/US7457743B2/en
Publication of FI116992B publication Critical patent/FI116992B/fi
Application granted granted Critical

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Classifications

    • 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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • 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
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
FI991537A 1999-07-05 1999-07-05 Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi FI116992B (fi)

Priority Applications (21)

Application Number Priority Date Filing Date Title
FI991537A FI116992B (fi) 1999-07-05 1999-07-05 Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi
AT05104931T ATE418779T1 (de) 1999-07-05 2000-07-05 Verfahren zur verbesserung der kodierungseffizienz eines audiosignals
AT00944090T ATE298919T1 (de) 1999-07-05 2000-07-05 Verfahren zur verbesserung der kodierungseffizienz eines audiosignals
CA002378435A CA2378435C (en) 1999-07-05 2000-07-05 Method for improving the coding efficiency of an audio signal
KR1020057013257A KR100593459B1 (ko) 1999-07-05 2000-07-05 오디오 신호의 부호화 효율 개선 방법
US09/610,461 US7289951B1 (en) 1999-07-05 2000-07-05 Method for improving the coding efficiency of an audio signal
EP00944090A EP1203370B1 (en) 1999-07-05 2000-07-05 Method for improving the coding efficiency of an audio signal
EP08170594A EP2037451A1 (en) 1999-07-05 2000-07-05 Method for improving the coding efficiency of an audio signal
AU58326/00A AU761771B2 (en) 1999-07-05 2000-07-05 Method for improving the coding efficiency of an audio signal
BRPI0012182A BRPI0012182B1 (pt) 1999-07-05 2000-07-05 método e sistema para melhorar a eficiência da codificação de um sinal de áudio
DE60021083T DE60021083T2 (de) 1999-07-05 2000-07-05 Verfahren zur verbesserung der kodierungseffizienz eines audiosignals
ES00944090T ES2244452T3 (es) 1999-07-05 2000-07-05 Metodo para mejorar la eficacia de codificacion de una señal de audio.
DE60041207T DE60041207D1 (de) 1999-07-05 2000-07-05 Verfahren zur Verbesserung der Kodierungseffizienz eines Audiosignals
JP2001508440A JP4142292B2 (ja) 1999-07-05 2000-07-05 オーディオ信号の符号化効率を向上させる方法
CNB2005101201121A CN100568344C (zh) 1999-07-05 2000-07-05 改善音频信号编码效率的方法
KR1020017016955A KR100545774B1 (ko) 1999-07-05 2000-07-05 오디오 신호의 부호화 효율 개선 방법
CNB008124884A CN1235190C (zh) 1999-07-05 2000-07-05 改善音频信号编码效率的方法
EP05104931A EP1587062B1 (en) 1999-07-05 2000-07-05 Method for improving the coding efficiency of an audio signal
PCT/FI2000/000619 WO2001003122A1 (en) 1999-07-05 2000-07-05 Method for improving the coding efficiency of an audio signal
JP2005056891A JP4426483B2 (ja) 1999-07-05 2005-03-02 オーディオ信号の符号化効率を向上させる方法
US11/296,957 US7457743B2 (en) 1999-07-05 2005-12-08 Method for improving the coding efficiency of an audio signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI991537 1999-07-05
FI991537A FI116992B (fi) 1999-07-05 1999-07-05 Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi

Publications (2)

Publication Number Publication Date
FI991537A FI991537A (fi) 2001-01-06
FI116992B true FI116992B (fi) 2006-04-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FI991537A FI116992B (fi) 1999-07-05 1999-07-05 Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi

Country Status (13)

Country Link
US (2) US7289951B1 (ja)
EP (3) EP2037451A1 (ja)
JP (2) JP4142292B2 (ja)
KR (2) KR100593459B1 (ja)
CN (2) CN100568344C (ja)
AT (2) ATE298919T1 (ja)
AU (1) AU761771B2 (ja)
BR (1) BRPI0012182B1 (ja)
CA (1) CA2378435C (ja)
DE (2) DE60041207D1 (ja)
ES (1) ES2244452T3 (ja)
FI (1) FI116992B (ja)
WO (1) WO2001003122A1 (ja)

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Also Published As

Publication number Publication date
JP4142292B2 (ja) 2008-09-03
DE60021083T2 (de) 2006-05-18
ATE418779T1 (de) 2009-01-15
CN1766990A (zh) 2006-05-03
EP2037451A1 (en) 2009-03-18
JP2003504654A (ja) 2003-02-04
EP1203370B1 (en) 2005-06-29
BR0012182A (pt) 2002-04-16
FI991537A (fi) 2001-01-06
ATE298919T1 (de) 2005-07-15
EP1203370A1 (en) 2002-05-08
WO2001003122A1 (en) 2001-01-11
AU761771B2 (en) 2003-06-12
US7457743B2 (en) 2008-11-25
KR20050085977A (ko) 2005-08-29
US20060089832A1 (en) 2006-04-27
CN1372683A (zh) 2002-10-02
DE60021083D1 (de) 2005-08-04
JP2005189886A (ja) 2005-07-14
KR100545774B1 (ko) 2006-01-24
CA2378435C (en) 2008-01-08
ES2244452T3 (es) 2005-12-16
US7289951B1 (en) 2007-10-30
EP1587062A1 (en) 2005-10-19
AU5832600A (en) 2001-01-22
JP4426483B2 (ja) 2010-03-03
KR20020019483A (ko) 2002-03-12
KR100593459B1 (ko) 2006-06-28
BRPI0012182B1 (pt) 2017-02-07
CN1235190C (zh) 2006-01-04
DE60041207D1 (de) 2009-02-05
CA2378435A1 (en) 2001-01-11
CN100568344C (zh) 2009-12-09
EP1587062B1 (en) 2008-12-24

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