PL1902443T3 - Kodowanie i dekodowanie sygnałów audio - Google Patents

Kodowanie i dekodowanie sygnałów audio

Info

Publication number
PL1902443T3
PL1902443T3 PL06766049T PL06766049T PL1902443T3 PL 1902443 T3 PL1902443 T3 PL 1902443T3 PL 06766049 T PL06766049 T PL 06766049T PL 06766049 T PL06766049 T PL 06766049T PL 1902443 T3 PL1902443 T3 PL 1902443T3
Authority
PL
Poland
Prior art keywords
decoder
data
hierarchical
audio
data stream
Prior art date
Application number
PL06766049T
Other languages
English (en)
Polish (pl)
Inventor
Erik G P Schuijers
Gerard H Hotho
Heiko Purnhagen
Wolfgang A Schildbach
Holger Hoerich
Hans M Kjoerling
Karl J Rödén
Original Assignee
Dolby Int 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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of PL1902443T3 publication Critical patent/PL1902443T3/pl

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)
PL06766049T 2005-07-14 2006-07-07 Kodowanie i dekodowanie sygnałów audio PL1902443T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05106466 2005-07-14
EP06766049A EP1902443B1 (en) 2005-07-14 2006-07-07 Audio encoding and decoding
PCT/IB2006/052309 WO2007007263A2 (en) 2005-07-14 2006-07-07 Audio encoding and decoding

Publications (1)

Publication Number Publication Date
PL1902443T3 true PL1902443T3 (pl) 2009-12-31

Family

ID=37467582

Family Applications (2)

Application Number Title Priority Date Filing Date
PL06766049T PL1902443T3 (pl) 2005-07-14 2006-07-07 Kodowanie i dekodowanie sygnałów audio
PL09005485T PL2088580T3 (pl) 2005-07-14 2006-07-07 Kodowanie sygnałów audio

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL09005485T PL2088580T3 (pl) 2005-07-14 2006-07-07 Kodowanie sygnałów audio

Country Status (13)

Country Link
US (1) US7966191B2 (https=)
EP (2) EP2088580B1 (https=)
JP (2) JP5097702B2 (https=)
KR (2) KR101496193B1 (https=)
CN (2) CN102013256B (https=)
AT (2) ATE523877T1 (https=)
BR (1) BRPI0613469A2 (https=)
DE (1) DE602006007139D1 (https=)
ES (2) ES2327158T3 (https=)
MX (1) MX2008000504A (https=)
PL (2) PL1902443T3 (https=)
RU (2) RU2418385C2 (https=)
WO (1) WO2007007263A2 (https=)

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CN102142924B (zh) * 2010-02-03 2014-04-09 中兴通讯股份有限公司 一种多用途语音频编码传输方法和装置
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EP2956935B1 (en) * 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
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
TWI671734B (zh) * 2013-09-12 2019-09-11 瑞典商杜比國際公司 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編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、包含解碼裝置及編碼裝置的音訊系統
CA2926243C (en) 2013-10-21 2018-01-23 Lars Villemoes Decorrelator structure for parametric reconstruction of audio signals
JP6479786B2 (ja) 2013-10-21 2019-03-06 ドルビー・インターナショナル・アーベー オーディオ信号のパラメトリック再構成
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BR112017008015B1 (pt) * 2014-10-31 2023-11-14 Dolby International Ab Métodos e sistemas de decodificação e codificação de áudio
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US10416954B2 (en) 2017-04-28 2019-09-17 Microsoft Technology Licensing, Llc Streaming of augmented/virtual reality spatial audio/video
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Also Published As

Publication number Publication date
BRPI0613469A2 (pt) 2012-11-06
RU2418385C2 (ru) 2011-05-10
EP2088580B1 (en) 2011-09-07
EP1902443B1 (en) 2009-06-03
EP2088580A2 (en) 2009-08-12
JP5269039B2 (ja) 2013-08-21
JP5097702B2 (ja) 2012-12-12
MX2008000504A (es) 2008-03-07
KR20100134084A (ko) 2010-12-22
WO2007007263A2 (en) 2007-01-18
ATE433182T1 (de) 2009-06-15
US7966191B2 (en) 2011-06-21
PL2088580T3 (pl) 2012-07-31
RU2461078C2 (ru) 2012-09-10
ES2374309T3 (es) 2012-02-15
EP1902443A2 (en) 2008-03-26
DE602006007139D1 (de) 2009-07-16
WO2007007263A3 (en) 2007-03-29
RU2010137467A (ru) 2012-03-20
ES2327158T3 (es) 2009-10-26
EP2088580A3 (en) 2009-08-19
CN102013256B (zh) 2013-12-18
JP2011059711A (ja) 2011-03-24
KR101492826B1 (ko) 2015-02-13
HK1154984A1 (en) 2012-05-04
CN102013256A (zh) 2011-04-13
KR20080037672A (ko) 2008-04-30
CN101223575B (zh) 2011-09-21
ATE523877T1 (de) 2011-09-15
KR101496193B1 (ko) 2015-02-26
US20080255856A1 (en) 2008-10-16
RU2008105556A (ru) 2009-08-20
CN101223575A (zh) 2008-07-16
JP2009501354A (ja) 2009-01-15

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