FI20045135A - Audiosignaalien koodaus - Google Patents

Audiosignaalien koodaus Download PDF

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Publication number
FI20045135A
FI20045135A FI20045135A FI20045135A FI20045135A FI 20045135 A FI20045135 A FI 20045135A FI 20045135 A FI20045135 A FI 20045135A FI 20045135 A FI20045135 A FI 20045135A FI 20045135 A FI20045135 A FI 20045135A
Authority
FI
Finland
Prior art keywords
coding
audio signals
audio
signals
Prior art date
Application number
FI20045135A
Other languages
English (en)
Swedish (sv)
Other versions
FI20045135A0 (fi
FI119533B (fi
Inventor
Jari Maekinen
Ari Lakaniemi
Pasi S Ojala
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 FI20045135A0 publication Critical patent/FI20045135A0/fi
Priority to FI20045135A priority Critical patent/FI119533B/fi
Priority to MXPA06010825A priority patent/MXPA06010825A/es
Priority to BRPI0509963-3A priority patent/BRPI0509963A/pt
Priority to CA2562916A priority patent/CA2562916C/en
Priority to CN2005800114923A priority patent/CN1942928B/zh
Priority to EP05735286A priority patent/EP1735776A4/en
Priority to PCT/FI2005/050121 priority patent/WO2005101372A1/en
Priority to RU2006139790/09A priority patent/RU2383943C2/ru
Priority to JP2007507809A priority patent/JP4838235B2/ja
Priority to AU2005234181A priority patent/AU2005234181B2/en
Priority to KR1020067022237A priority patent/KR100859881B1/ko
Priority to US11/107,334 priority patent/US20050246164A1/en
Publication of FI20045135A publication Critical patent/FI20045135A/fi
Priority to ZA2006/07661A priority patent/ZA200607661B/en
Priority to HK07110120.5A priority patent/HK1102036A1/xx
Application granted granted Critical
Publication of FI119533B publication Critical patent/FI119533B/fi

Links

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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
FI20045135A 2004-04-15 2004-04-15 Audiosignaalien koodaus FI119533B (fi)

Priority Applications (14)

Application Number Priority Date Filing Date Title
FI20045135A FI119533B (fi) 2004-04-15 2004-04-15 Audiosignaalien koodaus
PCT/FI2005/050121 WO2005101372A1 (en) 2004-04-15 2005-04-14 Coding of audio signals
JP2007507809A JP4838235B2 (ja) 2004-04-15 2005-04-14 音声信号の符号化
CA2562916A CA2562916C (en) 2004-04-15 2005-04-14 Coding of audio signals
CN2005800114923A CN1942928B (zh) 2004-04-15 2005-04-14 用于处理音频信号的模块和方法
EP05735286A EP1735776A4 (en) 2004-04-15 2005-04-14 AUDIO SIGNAL CODING
MXPA06010825A MXPA06010825A (es) 2004-04-15 2005-04-14 Codificacion de senales de audio.
RU2006139790/09A RU2383943C2 (ru) 2004-04-15 2005-04-14 Кодирование звуковых сигналов
BRPI0509963-3A BRPI0509963A (pt) 2004-04-15 2005-04-14 módulo para processar um fluxo de bit incluindo parámetros para decodificador o fluxo de bit, dispositivo e codec compreendendo o módulo, método para processar os sinais de áudio em uma banda de freqüência, produto de programa de computador, e, sinal compreendendo um fluxo de bit
AU2005234181A AU2005234181B2 (en) 2004-04-15 2005-04-14 Coding of audio signals
KR1020067022237A KR100859881B1 (ko) 2004-04-15 2005-04-14 음성 신호 코딩
US11/107,334 US20050246164A1 (en) 2004-04-15 2005-04-15 Coding of audio signals
ZA2006/07661A ZA200607661B (en) 2004-04-15 2006-09-13 Coding of audio signals
HK07110120.5A HK1102036A1 (en) 2004-04-15 2007-09-17 A module and a method for processing audio signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20045135A FI119533B (fi) 2004-04-15 2004-04-15 Audiosignaalien koodaus
FI20045135 2004-04-15

Publications (3)

Publication Number Publication Date
FI20045135A0 FI20045135A0 (fi) 2004-04-15
FI20045135A true FI20045135A (fi) 2005-10-16
FI119533B FI119533B (fi) 2008-12-15

Family

ID=32104263

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20045135A FI119533B (fi) 2004-04-15 2004-04-15 Audiosignaalien koodaus

Country Status (14)

Country Link
US (1) US20050246164A1 (fi)
EP (1) EP1735776A4 (fi)
JP (1) JP4838235B2 (fi)
KR (1) KR100859881B1 (fi)
CN (1) CN1942928B (fi)
AU (1) AU2005234181B2 (fi)
BR (1) BRPI0509963A (fi)
CA (1) CA2562916C (fi)
FI (1) FI119533B (fi)
HK (1) HK1102036A1 (fi)
MX (1) MXPA06010825A (fi)
RU (1) RU2383943C2 (fi)
WO (1) WO2005101372A1 (fi)
ZA (1) ZA200607661B (fi)

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Also Published As

Publication number Publication date
AU2005234181A1 (en) 2005-10-27
EP1735776A1 (en) 2006-12-27
HK1102036A1 (en) 2007-11-02
KR100859881B1 (ko) 2008-09-24
US20050246164A1 (en) 2005-11-03
JP2007532963A (ja) 2007-11-15
ZA200607661B (en) 2010-11-24
AU2005234181B2 (en) 2011-06-23
FI20045135A0 (fi) 2004-04-15
CN1942928B (zh) 2011-05-18
BRPI0509963A (pt) 2007-09-25
KR20070002068A (ko) 2007-01-04
CN1942928A (zh) 2007-04-04
MXPA06010825A (es) 2006-12-15
FI119533B (fi) 2008-12-15
CA2562916C (en) 2012-10-02
JP4838235B2 (ja) 2011-12-14
RU2006139790A (ru) 2008-05-20
CA2562916A1 (en) 2005-10-27
WO2005101372A1 (en) 2005-10-27
RU2383943C2 (ru) 2010-03-10
EP1735776A4 (en) 2007-11-07

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