ATE410771T1 - Verfahren und vorrichtung zur robusten prädiktiven vektorquantisierung von parametern der linearen prädiktion in variabler bitraten- kodierung - Google Patents

Verfahren und vorrichtung zur robusten prädiktiven vektorquantisierung von parametern der linearen prädiktion in variabler bitraten- kodierung

Info

Publication number
ATE410771T1
ATE410771T1 AT03785421T AT03785421T ATE410771T1 AT E410771 T1 ATE410771 T1 AT E410771T1 AT 03785421 T AT03785421 T AT 03785421T AT 03785421 T AT03785421 T AT 03785421T AT E410771 T1 ATE410771 T1 AT E410771T1
Authority
AT
Austria
Prior art keywords
prediction
vector
linear prediction
variable bit
sound signal
Prior art date
Application number
AT03785421T
Other languages
English (en)
Inventor
Milan Jelinek
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
Application granted granted Critical
Publication of ATE410771T1 publication Critical patent/ATE410771T1/de

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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
    • G10L19/16—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT03785421T 2002-12-24 2003-12-18 Verfahren und vorrichtung zur robusten prädiktiven vektorquantisierung von parametern der linearen prädiktion in variabler bitraten- kodierung ATE410771T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002415105A CA2415105A1 (en) 2002-12-24 2002-12-24 A method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding

Publications (1)

Publication Number Publication Date
ATE410771T1 true ATE410771T1 (de) 2008-10-15

Family

ID=32514130

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03785421T ATE410771T1 (de) 2002-12-24 2003-12-18 Verfahren und vorrichtung zur robusten prädiktiven vektorquantisierung von parametern der linearen prädiktion in variabler bitraten- kodierung

Country Status (15)

Country Link
US (2) US7149683B2 (de)
EP (1) EP1576585B1 (de)
JP (1) JP4394578B2 (de)
KR (1) KR100712056B1 (de)
CN (1) CN100576319C (de)
AT (1) ATE410771T1 (de)
AU (1) AU2003294528A1 (de)
BR (2) BR0317652A (de)
CA (1) CA2415105A1 (de)
DE (1) DE60324025D1 (de)
MX (1) MXPA05006664A (de)
MY (1) MY141174A (de)
RU (1) RU2326450C2 (de)
UA (1) UA83207C2 (de)
WO (1) WO2004059618A1 (de)

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Also Published As

Publication number Publication date
MY141174A (en) 2010-03-31
EP1576585A1 (de) 2005-09-21
HK1082587A1 (en) 2006-06-09
JP4394578B2 (ja) 2010-01-06
RU2326450C2 (ru) 2008-06-10
US20050261897A1 (en) 2005-11-24
AU2003294528A1 (en) 2004-07-22
RU2005123381A (ru) 2006-01-20
WO2004059618A1 (en) 2004-07-15
DE60324025D1 (de) 2008-11-20
BRPI0317652B1 (pt) 2018-05-22
CA2415105A1 (en) 2004-06-24
US20070112564A1 (en) 2007-05-17
MXPA05006664A (es) 2005-08-16
UA83207C2 (ru) 2008-06-25
KR100712056B1 (ko) 2007-05-02
US7502734B2 (en) 2009-03-10
US7149683B2 (en) 2006-12-12
BR0317652A (pt) 2005-12-06
JP2006510947A (ja) 2006-03-30
CN1739142A (zh) 2006-02-22
EP1576585B1 (de) 2008-10-08
KR20050089071A (ko) 2005-09-07
CN100576319C (zh) 2009-12-30

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