ATE443317T1 - Kodierung und dekodierung von mehrkanaltonsignalen basierend auf einer haupt- und nebensignal darstellung - Google Patents

Kodierung und dekodierung von mehrkanaltonsignalen basierend auf einer haupt- und nebensignal darstellung

Info

Publication number
ATE443317T1
ATE443317T1 AT07109801T AT07109801T ATE443317T1 AT E443317 T1 ATE443317 T1 AT E443317T1 AT 07109801 T AT07109801 T AT 07109801T AT 07109801 T AT07109801 T AT 07109801T AT E443317 T1 ATE443317 T1 AT E443317T1
Authority
AT
Austria
Prior art keywords
signal
main
mono
decoding
encoding
Prior art date
Application number
AT07109801T
Other languages
English (en)
Inventor
Ingemar Johansson
Anisse Taleb
Stefan Bruhn
Daniel Enstroem
Original Assignee
Ericsson Telefon Ab L M
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 claimed from SE0303501A external-priority patent/SE0303501D0/xx
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE443317T1 publication Critical patent/ATE443317T1/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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Endoscopes (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AT07109801T 2003-12-19 2004-12-15 Kodierung und dekodierung von mehrkanaltonsignalen basierend auf einer haupt- und nebensignal darstellung ATE443317T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0303501A SE0303501D0 (sv) 2003-12-19 2003-12-19 Filter-based parametric multi-channel coding
SE0400417A SE527670C2 (sv) 2003-12-19 2004-02-20 Naturtrogenhetsoptimerad kodning med variabel ramlängd

Publications (1)

Publication Number Publication Date
ATE443317T1 true ATE443317T1 (de) 2009-10-15

Family

ID=31996354

Family Applications (2)

Application Number Title Priority Date Filing Date
AT07109801T ATE443317T1 (de) 2003-12-19 2004-12-15 Kodierung und dekodierung von mehrkanaltonsignalen basierend auf einer haupt- und nebensignal darstellung
AT04820553T ATE371924T1 (de) 2003-12-19 2004-12-15 Treueoptimierte kodierung mit variabler rahmenlänge

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT04820553T ATE371924T1 (de) 2003-12-19 2004-12-15 Treueoptimierte kodierung mit variabler rahmenlänge

Country Status (15)

Country Link
EP (2) EP1845519B1 (de)
JP (2) JP4335917B2 (de)
CN (2) CN100559465C (de)
AT (2) ATE443317T1 (de)
AU (1) AU2004298708B2 (de)
BR (2) BRPI0410856B8 (de)
CA (2) CA2690885C (de)
DE (2) DE602004008613T2 (de)
HK (2) HK1091585A1 (de)
MX (1) MXPA05012230A (de)
PL (1) PL1623411T3 (de)
RU (2) RU2305870C2 (de)
SE (1) SE527670C2 (de)
WO (1) WO2005059899A1 (de)
ZA (1) ZA200508980B (de)

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Also Published As

Publication number Publication date
CA2527971C (en) 2011-03-15
RU2425340C2 (ru) 2011-07-27
RU2005134365A (ru) 2006-05-27
HK1115665A1 (en) 2008-12-05
EP1845519A2 (de) 2007-10-17
RU2007121143A (ru) 2008-12-10
EP1623411B1 (de) 2007-08-29
SE0400417L (sv) 2005-06-20
AU2004298708B2 (en) 2008-01-03
PL1623411T3 (pl) 2008-01-31
JP4589366B2 (ja) 2010-12-01
DE602004008613D1 (de) 2007-10-11
ATE371924T1 (de) 2007-09-15
SE527670C2 (sv) 2006-05-09
CN101118747B (zh) 2011-02-23
JP2008026914A (ja) 2008-02-07
BRPI0419281B1 (pt) 2018-08-14
SE0400417D0 (sv) 2004-02-20
CN100559465C (zh) 2009-11-11
ZA200508980B (en) 2007-03-28
BRPI0410856A (pt) 2006-07-04
CN101118747A (zh) 2008-02-06
DE602004023240D1 (de) 2009-10-29
RU2305870C2 (ru) 2007-09-10
HK1091585A1 (en) 2007-01-19
CA2527971A1 (en) 2005-06-30
JP2007529021A (ja) 2007-10-18
EP1845519B1 (de) 2009-09-16
DE602004008613T2 (de) 2008-06-12
EP1845519A3 (de) 2007-11-07
BRPI0410856B1 (pt) 2019-10-01
MXPA05012230A (es) 2006-02-10
AU2004298708A1 (en) 2005-06-30
CA2690885C (en) 2014-01-21
CA2690885A1 (en) 2005-06-30
WO2005059899A1 (en) 2005-06-30
EP1623411A1 (de) 2006-02-08
CN1816847A (zh) 2006-08-09
BRPI0410856B8 (pt) 2019-10-15
JP4335917B2 (ja) 2009-09-30

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