ATE483230T1 - Signalkodierung - Google Patents

Signalkodierung

Info

Publication number
ATE483230T1
ATE483230T1 AT05734033T AT05734033T ATE483230T1 AT E483230 T1 ATE483230 T1 AT E483230T1 AT 05734033 T AT05734033 T AT 05734033T AT 05734033 T AT05734033 T AT 05734033T AT E483230 T1 ATE483230 T1 AT E483230T1
Authority
AT
Austria
Prior art keywords
encoding
parameters
frame
stage
signal coding
Prior art date
Application number
AT05734033T
Other languages
English (en)
Inventor
Jari Makinen
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 ATE483230T1 publication Critical patent/ATE483230T1/de

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
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
AT05734033T 2004-04-21 2005-04-19 Signalkodierung ATE483230T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0408856.3A GB0408856D0 (en) 2004-04-21 2004-04-21 Signal encoding
PCT/IB2005/001033 WO2005104095A1 (en) 2004-04-21 2005-04-19 Signal encoding

Publications (1)

Publication Number Publication Date
ATE483230T1 true ATE483230T1 (de) 2010-10-15

Family

ID=32344124

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05734033T ATE483230T1 (de) 2004-04-21 2005-04-19 Signalkodierung

Country Status (18)

Country Link
US (1) US8244525B2 (de)
EP (1) EP1738355B1 (de)
JP (1) JP2007534020A (de)
KR (2) KR20080103113A (de)
CN (1) CN1969319B (de)
AT (1) ATE483230T1 (de)
AU (1) AU2005236596A1 (de)
BR (1) BRPI0510270A (de)
CA (1) CA2562877A1 (de)
DE (1) DE602005023848D1 (de)
ES (1) ES2349554T3 (de)
GB (1) GB0408856D0 (de)
HK (1) HK1104369A1 (de)
MX (1) MXPA06011957A (de)
RU (1) RU2006139793A (de)
TW (1) TWI275253B (de)
WO (1) WO2005104095A1 (de)
ZA (1) ZA200609627B (de)

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Also Published As

Publication number Publication date
AU2005236596A1 (en) 2005-11-03
JP2007534020A (ja) 2007-11-22
ZA200609627B (en) 2008-09-25
RU2006139793A (ru) 2008-05-27
CN1969319A (zh) 2007-05-23
CN1969319B (zh) 2011-09-21
GB0408856D0 (en) 2004-05-26
HK1104369A1 (en) 2008-01-11
KR20070001276A (ko) 2007-01-03
MXPA06011957A (es) 2006-12-15
US20050240399A1 (en) 2005-10-27
US8244525B2 (en) 2012-08-14
KR20080103113A (ko) 2008-11-26
TW200605518A (en) 2006-02-01
TWI275253B (en) 2007-03-01
CA2562877A1 (en) 2005-11-03
ES2349554T3 (es) 2011-01-05
WO2005104095A1 (en) 2005-11-03
DE602005023848D1 (de) 2010-11-11
EP1738355A1 (de) 2007-01-03
BRPI0510270A (pt) 2007-10-30
EP1738355B1 (de) 2010-09-29

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