SE527670C2 - Naturtrogenhetsoptimerad kodning med variabel ramlängd - Google Patents

Naturtrogenhetsoptimerad kodning med variabel ramlängd

Info

Publication number
SE527670C2
SE527670C2 SE0400417A SE0400417A SE527670C2 SE 527670 C2 SE527670 C2 SE 527670C2 SE 0400417 A SE0400417 A SE 0400417A SE 0400417 A SE0400417 A SE 0400417A SE 527670 C2 SE527670 C2 SE 527670C2
Authority
SE
Sweden
Prior art keywords
coding
signal
subframes
side signal
signals
Prior art date
Application number
SE0400417A
Other languages
English (en)
Swedish (sv)
Other versions
SE0400417L (sv
SE0400417D0 (sv
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
Priority to SE0400417A priority Critical patent/SE527670C2/sv
Publication of SE0400417D0 publication Critical patent/SE0400417D0/xx
Priority to RU2005134365/09A priority patent/RU2305870C2/ru
Priority to EP07109801A priority patent/EP1845519B1/fr
Priority to AT04820553T priority patent/ATE371924T1/de
Priority to MXPA05012230A priority patent/MXPA05012230A/es
Priority to CA2690885A priority patent/CA2690885C/fr
Priority to BRPI0410856A priority patent/BRPI0410856B8/pt
Priority to JP2006518596A priority patent/JP4335917B2/ja
Priority to AU2004298708A priority patent/AU2004298708B2/en
Priority to CN200710138487XA priority patent/CN101118747B/zh
Priority to PCT/SE2004/001867 priority patent/WO2005059899A1/fr
Priority to BRPI0419281-8A priority patent/BRPI0419281B1/pt
Priority to DE602004008613T priority patent/DE602004008613T2/de
Priority to US11/011,765 priority patent/US7809579B2/en
Priority to HK06112026.7A priority patent/HK1091585B/xx
Priority to PL04820553T priority patent/PL1623411T3/pl
Priority to ZA200508980A priority patent/ZA200508980B/xx
Priority to AT07109801T priority patent/ATE443317T1/de
Priority to DE602004023240T priority patent/DE602004023240D1/de
Priority to EP04820553A priority patent/EP1623411B1/fr
Priority to CA2527971A priority patent/CA2527971C/fr
Priority to CNB2004800186630A priority patent/CN100559465C/zh
Publication of SE0400417L publication Critical patent/SE0400417L/xx
Publication of SE527670C2 publication Critical patent/SE527670C2/sv
Priority to HK08106066.8A priority patent/HK1115665B/xx
Priority to RU2007121143/09A priority patent/RU2425340C2/ru
Priority to JP2007216374A priority patent/JP4589366B2/ja

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)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Endoscopes (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
SE0400417A 2003-12-19 2004-02-20 Naturtrogenhetsoptimerad kodning med variabel ramlängd SE527670C2 (sv)

Priority Applications (25)

Application Number Priority Date Filing Date Title
SE0400417A SE527670C2 (sv) 2003-12-19 2004-02-20 Naturtrogenhetsoptimerad kodning med variabel ramlängd
CA2527971A CA2527971C (fr) 2003-12-19 2004-12-15 Codage de longueur de trames variables a fidelite optimisee
CNB2004800186630A CN100559465C (zh) 2003-12-19 2004-12-15 保真度优化的可变帧长编码
BRPI0419281-8A BRPI0419281B1 (pt) 2003-12-19 2004-12-15 Métodos de codificar e de decodificar sinais multicanais, e, aparelhos codificador e decodificador
HK06112026.7A HK1091585B (en) 2003-12-19 2004-12-15 Fidelity-optimised variable frame length encoding
AT04820553T ATE371924T1 (de) 2003-12-19 2004-12-15 Treueoptimierte kodierung mit variabler rahmenlänge
MXPA05012230A MXPA05012230A (es) 2003-12-19 2004-12-15 Codificacion de longitud de cuadro variable optimizada en fidelidad.
CA2690885A CA2690885C (fr) 2003-12-19 2004-12-15 Codage de longueur de bloc variable optimise par fidelite
BRPI0410856A BRPI0410856B8 (pt) 2003-12-19 2004-12-15 métodos de codificar e de decodificar sinais multicanais, aparelho codificador, e, aparelho decodificador
JP2006518596A JP4335917B2 (ja) 2003-12-19 2004-12-15 忠実度最適化可変フレーム長符号化
AU2004298708A AU2004298708B2 (en) 2003-12-19 2004-12-15 Fidelity-optimised variable frame length encoding
CN200710138487XA CN101118747B (zh) 2003-12-19 2004-12-15 保真度优化的预回声抑制编码
PCT/SE2004/001867 WO2005059899A1 (fr) 2003-12-19 2004-12-15 Codage de longueur de trames variables a fidelite optimisee
RU2005134365/09A RU2305870C2 (ru) 2003-12-19 2004-12-15 Оптимизированное по точности кодирование с переменной длиной кадра
DE602004008613T DE602004008613T2 (de) 2003-12-19 2004-12-15 Treueoptimierte kodierung mit variabler rahmenlänge
US11/011,765 US7809579B2 (en) 2003-12-19 2004-12-15 Fidelity-optimized variable frame length encoding
EP07109801A EP1845519B1 (fr) 2003-12-19 2004-12-15 Encodage et décodage de signaux audio multicanaux basés sur une représentation d'un signal principal et latéral
PL04820553T PL1623411T3 (pl) 2003-12-19 2004-12-15 Zoptymalizowane pod względem wierności odtwarzania kodowanie ze zmienną długością ramki
ZA200508980A ZA200508980B (en) 2003-12-19 2004-12-15 Fidelity-optimised variable frame length encoding
AT07109801T ATE443317T1 (de) 2003-12-19 2004-12-15 Kodierung und dekodierung von mehrkanaltonsignalen basierend auf einer haupt- und nebensignal darstellung
DE602004023240T DE602004023240D1 (de) 2003-12-19 2004-12-15 Kodierung und Dekodierung von Mehrkanaltonsignalen basierend auf einer Haupt- und Nebensignal Darstellung
EP04820553A EP1623411B1 (fr) 2003-12-19 2004-12-15 Codage de longueur de trames variables a fidelite optimisee
HK08106066.8A HK1115665B (en) 2003-12-19 2006-11-01 Fidelity-optimised pre-echo suppressing encoding
RU2007121143/09A RU2425340C2 (ru) 2003-12-19 2007-06-05 Оптимизированное по точности кодирование с подавлением упреждающего эхо
JP2007216374A JP4589366B2 (ja) 2003-12-19 2007-08-22 忠実度最適化可変フレーム長符号化

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 (3)

Publication Number Publication Date
SE0400417D0 SE0400417D0 (sv) 2004-02-20
SE0400417L SE0400417L (sv) 2005-06-20
SE527670C2 true SE527670C2 (sv) 2006-05-09

Family

ID=31996354

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0400417A SE527670C2 (sv) 2003-12-19 2004-02-20 Naturtrogenhetsoptimerad kodning med variabel ramlängd

Country Status (14)

Country Link
EP (2) EP1845519B1 (fr)
JP (2) JP4335917B2 (fr)
CN (2) CN101118747B (fr)
AT (2) ATE443317T1 (fr)
AU (1) AU2004298708B2 (fr)
BR (2) BRPI0419281B1 (fr)
CA (2) CA2527971C (fr)
DE (2) DE602004023240D1 (fr)
MX (1) MXPA05012230A (fr)
PL (1) PL1623411T3 (fr)
RU (2) RU2305870C2 (fr)
SE (1) SE527670C2 (fr)
WO (1) WO2005059899A1 (fr)
ZA (1) ZA200508980B (fr)

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Also Published As

Publication number Publication date
CA2690885C (fr) 2014-01-21
JP2008026914A (ja) 2008-02-07
DE602004008613D1 (de) 2007-10-11
SE0400417L (sv) 2005-06-20
PL1623411T3 (pl) 2008-01-31
CN100559465C (zh) 2009-11-11
DE602004023240D1 (de) 2009-10-29
EP1845519A3 (fr) 2007-11-07
HK1115665A1 (en) 2008-12-05
RU2007121143A (ru) 2008-12-10
EP1623411A1 (fr) 2006-02-08
EP1623411B1 (fr) 2007-08-29
HK1091585A1 (zh) 2007-01-19
CN101118747A (zh) 2008-02-06
RU2425340C2 (ru) 2011-07-27
CA2527971C (fr) 2011-03-15
ATE371924T1 (de) 2007-09-15
AU2004298708B2 (en) 2008-01-03
MXPA05012230A (es) 2006-02-10
AU2004298708A1 (en) 2005-06-30
CA2527971A1 (fr) 2005-06-30
ATE443317T1 (de) 2009-10-15
SE0400417D0 (sv) 2004-02-20
BRPI0410856A (pt) 2006-07-04
JP4335917B2 (ja) 2009-09-30
RU2005134365A (ru) 2006-05-27
BRPI0410856B8 (pt) 2019-10-15
BRPI0410856B1 (pt) 2019-10-01
BRPI0419281B1 (pt) 2018-08-14
CN1816847A (zh) 2006-08-09
CN101118747B (zh) 2011-02-23
EP1845519B1 (fr) 2009-09-16
DE602004008613T2 (de) 2008-06-12
EP1845519A2 (fr) 2007-10-17
ZA200508980B (en) 2007-03-28
RU2305870C2 (ru) 2007-09-10
JP4589366B2 (ja) 2010-12-01
JP2007529021A (ja) 2007-10-18
WO2005059899A1 (fr) 2005-06-30
CA2690885A1 (fr) 2005-06-30

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