DE602004023240D1 - 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
DE602004023240D1
DE602004023240D1 DE602004023240T DE602004023240T DE602004023240D1 DE 602004023240 D1 DE602004023240 D1 DE 602004023240D1 DE 602004023240 T DE602004023240 T DE 602004023240T DE 602004023240 T DE602004023240 T DE 602004023240T DE 602004023240 D1 DE602004023240 D1 DE 602004023240D1
Authority
DE
Germany
Prior art keywords
signal
main
decoding
mono
coding
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602004023240T
Other languages
German (de)
English (en)
Inventor
Ingemar Johansson
Anisse Taleb
Stefan Bruhn
Daniel Enstroem
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE602004023240D1 publication Critical patent/DE602004023240D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Mobile Radio Communication Systems (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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Endoscopes (AREA)
DE602004023240T 2003-12-19 2004-12-15 Kodierung und Dekodierung von Mehrkanaltonsignalen basierend auf einer Haupt- und Nebensignal Darstellung Active DE602004023240D1 (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
DE602004023240D1 true DE602004023240D1 (de) 2009-10-29

Family

ID=31996354

Family Applications (2)

Application Number Title Priority Date Filing Date
DE602004023240T Active DE602004023240D1 (de) 2003-12-19 2004-12-15 Kodierung und Dekodierung von Mehrkanaltonsignalen basierend auf einer Haupt- und Nebensignal Darstellung
DE602004008613T Active DE602004008613T2 (de) 2003-12-19 2004-12-15 Treueoptimierte kodierung mit variabler rahmenlänge

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE602004008613T Active DE602004008613T2 (de) 2003-12-19 2004-12-15 Treueoptimierte kodierung mit variabler rahmenlänge

Country Status (15)

Country Link
EP (2) EP1845519B1 (zh)
JP (2) JP4335917B2 (zh)
CN (2) CN100559465C (zh)
AT (2) ATE443317T1 (zh)
AU (1) AU2004298708B2 (zh)
BR (2) BRPI0419281B1 (zh)
CA (2) CA2527971C (zh)
DE (2) DE602004023240D1 (zh)
HK (2) HK1091585A1 (zh)
MX (1) MXPA05012230A (zh)
PL (1) PL1623411T3 (zh)
RU (2) RU2305870C2 (zh)
SE (1) SE527670C2 (zh)
WO (1) WO2005059899A1 (zh)
ZA (1) ZA200508980B (zh)

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KR101629862B1 (ko) * 2008-05-23 2016-06-24 코닌클리케 필립스 엔.브이. 파라메트릭 스테레오 업믹스 장치, 파라메트릭 스테레오 디코더, 파라메트릭 스테레오 다운믹스 장치, 파라메트릭 스테레오 인코더
JPWO2010016270A1 (ja) * 2008-08-08 2012-01-19 パナソニック株式会社 量子化装置、符号化装置、量子化方法及び符号化方法
CN102160114B (zh) * 2008-09-17 2012-08-29 法国电信公司 用于对数字音频信号中的前回声进行衰减的方法和装置
JP5309944B2 (ja) 2008-12-11 2013-10-09 富士通株式会社 オーディオ復号装置、方法、及びプログラム
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US8175888B2 (en) 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8219408B2 (en) 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8140342B2 (en) 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
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US8977546B2 (en) * 2009-10-20 2015-03-10 Panasonic Intellectual Property Corporation Of America Encoding device, decoding device and method for both
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CN102770913B (zh) * 2009-12-23 2015-10-07 诺基亚公司 稀疏音频
US8442837B2 (en) 2009-12-31 2013-05-14 Motorola Mobility Llc Embedded speech and audio coding using a switchable model core
US8423355B2 (en) 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
US8428936B2 (en) 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
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US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
PL2922053T3 (pl) * 2012-11-15 2019-11-29 Ntt Docomo Inc Urządzenie do kodowania audio, sposób kodowania audio, program do kodowania audio, urządzenie do dekodowania audio, sposób dekodowania audio, i program do dekodowania audio
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CN107742521B (zh) 2016-08-10 2021-08-13 华为技术有限公司 多声道信号的编码方法和编码器
CN109215668B (zh) * 2017-06-30 2021-01-05 华为技术有限公司 一种声道间相位差参数的编码方法及装置
CN115831130A (zh) * 2018-06-29 2023-03-21 华为技术有限公司 立体声信号的编码方法、解码方法、编码装置和解码装置
CN112233682B (zh) * 2019-06-29 2024-07-16 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置

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Also Published As

Publication number Publication date
AU2004298708B2 (en) 2008-01-03
CN1816847A (zh) 2006-08-09
JP2007529021A (ja) 2007-10-18
EP1845519A3 (en) 2007-11-07
CA2690885C (en) 2014-01-21
RU2005134365A (ru) 2006-05-27
CN101118747B (zh) 2011-02-23
BRPI0410856B8 (pt) 2019-10-15
EP1623411A1 (en) 2006-02-08
CA2527971A1 (en) 2005-06-30
SE0400417L (sv) 2005-06-20
JP2008026914A (ja) 2008-02-07
EP1623411B1 (en) 2007-08-29
EP1845519B1 (en) 2009-09-16
PL1623411T3 (pl) 2008-01-31
ATE443317T1 (de) 2009-10-15
HK1115665A1 (en) 2008-12-05
ZA200508980B (en) 2007-03-28
RU2305870C2 (ru) 2007-09-10
SE0400417D0 (sv) 2004-02-20
CN100559465C (zh) 2009-11-11
BRPI0410856A (pt) 2006-07-04
EP1845519A2 (en) 2007-10-17
DE602004008613D1 (de) 2007-10-11
JP4335917B2 (ja) 2009-09-30
SE527670C2 (sv) 2006-05-09
CA2527971C (en) 2011-03-15
BRPI0419281B1 (pt) 2018-08-14
BRPI0410856B1 (pt) 2019-10-01
ATE371924T1 (de) 2007-09-15
HK1091585A1 (en) 2007-01-19
DE602004008613T2 (de) 2008-06-12
JP4589366B2 (ja) 2010-12-01
CN101118747A (zh) 2008-02-06
CA2690885A1 (en) 2005-06-30
AU2004298708A1 (en) 2005-06-30
RU2425340C2 (ru) 2011-07-27
RU2007121143A (ru) 2008-12-10
WO2005059899A1 (en) 2005-06-30
MXPA05012230A (es) 2006-02-10

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