ATE433182T1 - Audiokodierung und audiodekodierung - Google Patents

Audiokodierung und audiodekodierung

Info

Publication number
ATE433182T1
ATE433182T1 AT06766049T AT06766049T ATE433182T1 AT E433182 T1 ATE433182 T1 AT E433182T1 AT 06766049 T AT06766049 T AT 06766049T AT 06766049 T AT06766049 T AT 06766049T AT E433182 T1 ATE433182 T1 AT E433182T1
Authority
AT
Austria
Prior art keywords
decoder
audio
data
hierarchical
data stream
Prior art date
Application number
AT06766049T
Other languages
English (en)
Inventor
Erik Schuijers
Gerard Hotho
Heiko Purnhagen
Wolfgang Schildbach
Holger Hoerich
Hans Kjoerling
Karl J Roeden
Original Assignee
Koninkl Philips Electronics Nv
Dolby Sweden 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
Application filed by Koninkl Philips Electronics Nv, Dolby Sweden Ab filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE433182T1 publication Critical patent/ATE433182T1/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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/233—Processing of audio elementary streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Amplifiers (AREA)
AT06766049T 2005-07-14 2006-07-07 Audiokodierung und audiodekodierung ATE433182T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05106466 2005-07-14
PCT/IB2006/052309 WO2007007263A2 (en) 2005-07-14 2006-07-07 Audio encoding and decoding

Publications (1)

Publication Number Publication Date
ATE433182T1 true ATE433182T1 (de) 2009-06-15

Family

ID=37467582

Family Applications (2)

Application Number Title Priority Date Filing Date
AT09005485T ATE523877T1 (de) 2005-07-14 2006-07-07 Audiodecodierung
AT06766049T ATE433182T1 (de) 2005-07-14 2006-07-07 Audiokodierung und audiodekodierung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT09005485T ATE523877T1 (de) 2005-07-14 2006-07-07 Audiodecodierung

Country Status (13)

Country Link
US (1) US7966191B2 (de)
EP (2) EP1902443B1 (de)
JP (2) JP5097702B2 (de)
KR (2) KR101492826B1 (de)
CN (2) CN101223575B (de)
AT (2) ATE523877T1 (de)
BR (1) BRPI0613469A2 (de)
DE (1) DE602006007139D1 (de)
ES (2) ES2327158T3 (de)
MX (1) MX2008000504A (de)
PL (2) PL1902443T3 (de)
RU (2) RU2418385C2 (de)
WO (1) WO2007007263A2 (de)

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DK2691951T3 (en) 2011-03-28 2016-11-14 Dolby Laboratories Licensing Corp TRANSFORMATION WITH REDUCED COMPLEXITY OF AN Low-Frequency
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WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
CN110223702B (zh) 2013-05-24 2023-04-11 杜比国际公司 音频解码系统和重构方法
TWI713018B (zh) * 2013-09-12 2020-12-11 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
WO2015059152A1 (en) 2013-10-21 2015-04-30 Dolby International Ab Decorrelator structure for parametric reconstruction of audio signals
BR112016008817B1 (pt) * 2013-10-21 2022-03-22 Dolby International Ab Método para reconstruir um sinal de áudio de n canais, sistema de decodificação de áudio, método para codificar um sinal de áudio de n canais e sistema de codificação de áudio
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Also Published As

Publication number Publication date
EP2088580A3 (de) 2009-08-19
PL1902443T3 (pl) 2009-12-31
WO2007007263A3 (en) 2007-03-29
HK1154984A1 (en) 2012-05-04
PL2088580T3 (pl) 2012-07-31
JP5097702B2 (ja) 2012-12-12
JP5269039B2 (ja) 2013-08-21
EP1902443A2 (de) 2008-03-26
ATE523877T1 (de) 2011-09-15
CN102013256B (zh) 2013-12-18
CN101223575B (zh) 2011-09-21
RU2461078C2 (ru) 2012-09-10
EP1902443B1 (de) 2009-06-03
RU2008105556A (ru) 2009-08-20
JP2009501354A (ja) 2009-01-15
KR101496193B1 (ko) 2015-02-26
BRPI0613469A2 (pt) 2012-11-06
EP2088580A2 (de) 2009-08-12
ES2374309T3 (es) 2012-02-15
JP2011059711A (ja) 2011-03-24
ES2327158T3 (es) 2009-10-26
KR20100134084A (ko) 2010-12-22
US7966191B2 (en) 2011-06-21
KR101492826B1 (ko) 2015-02-13
DE602006007139D1 (de) 2009-07-16
KR20080037672A (ko) 2008-04-30
CN102013256A (zh) 2011-04-13
CN101223575A (zh) 2008-07-16
MX2008000504A (es) 2008-03-07
RU2010137467A (ru) 2012-03-20
RU2418385C2 (ru) 2011-05-10
WO2007007263A2 (en) 2007-01-18
US20080255856A1 (en) 2008-10-16
EP2088580B1 (de) 2011-09-07

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