PL2088580T3 - Kodowanie sygnałów audio - Google Patents

Kodowanie sygnałów audio

Info

Publication number
PL2088580T3
PL2088580T3 PL09005485T PL09005485T PL2088580T3 PL 2088580 T3 PL2088580 T3 PL 2088580T3 PL 09005485 T PL09005485 T PL 09005485T PL 09005485 T PL09005485 T PL 09005485T PL 2088580 T3 PL2088580 T3 PL 2088580T3
Authority
PL
Poland
Prior art keywords
decoder
data
hierarchical
audio
data stream
Prior art date
Application number
PL09005485T
Other languages
English (en)
Inventor
Erik G P Schuijers
Gerard H Hotho
Heiko Purnhagen
Wolfgang A Schildbach
Holger Hoerich
Hans M Kjoerling
Karl J Roeden
Original Assignee
Koninl Philips Electronics Nv
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 Koninl Philips Electronics Nv, Dolby Int Ab filed Critical Koninl Philips Electronics Nv
Publication of PL2088580T3 publication Critical patent/PL2088580T3/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)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Amplifiers (AREA)
PL09005485T 2005-07-14 2006-07-07 Kodowanie sygnałów audio PL2088580T3 (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
EP09005485A EP2088580B1 (en) 2005-07-14 2006-07-07 Audio decoding

Publications (1)

Publication Number Publication Date
PL2088580T3 true PL2088580T3 (pl) 2012-07-31

Family

ID=37467582

Family Applications (2)

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

Family Applications After (1)

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

Country Status (14)

Country Link
US (1) US7966191B2 (pl)
EP (2) EP2088580B1 (pl)
JP (2) JP5097702B2 (pl)
KR (2) KR101492826B1 (pl)
CN (2) CN101223575B (pl)
AT (2) ATE433182T1 (pl)
BR (1) BRPI0613469A2 (pl)
DE (1) DE602006007139D1 (pl)
ES (2) ES2374309T3 (pl)
HK (1) HK1154984A1 (pl)
MX (1) MX2008000504A (pl)
PL (2) PL2088580T3 (pl)
RU (2) RU2418385C2 (pl)
WO (1) WO2007007263A2 (pl)

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CN102667920B (zh) * 2009-12-16 2014-03-12 杜比国际公司 Sbr比特流参数缩混
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CA2826018C (en) 2011-03-28 2016-05-17 Dolby Laboratories Licensing Corporation Reduced complexity transform for a low-frequency-effects channel
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
WO2014126689A1 (en) * 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for controlling the inter-channel coherence of upmixed audio signals
JP6248186B2 (ja) 2013-05-24 2017-12-13 ドルビー・インターナショナル・アーベー オーディオ・エンコードおよびデコード方法、対応するコンピュータ可読媒体ならびに対応するオーディオ・エンコーダおよびデコーダ
TWI847206B (zh) * 2013-09-12 2024-07-01 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
KR20230011480A (ko) 2013-10-21 2023-01-20 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
KR101805327B1 (ko) 2013-10-21 2017-12-05 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성을 위한 역상관기 구조
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JPWO2005081229A1 (ja) * 2004-02-25 2007-10-25 松下電器産業株式会社 オーディオエンコーダ及びオーディオデコーダ
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Also Published As

Publication number Publication date
CN101223575B (zh) 2011-09-21
EP1902443B1 (en) 2009-06-03
RU2461078C2 (ru) 2012-09-10
ATE433182T1 (de) 2009-06-15
WO2007007263A2 (en) 2007-01-18
WO2007007263A3 (en) 2007-03-29
EP2088580A2 (en) 2009-08-12
RU2010137467A (ru) 2012-03-20
CN101223575A (zh) 2008-07-16
JP5097702B2 (ja) 2012-12-12
JP2011059711A (ja) 2011-03-24
CN102013256B (zh) 2013-12-18
KR101496193B1 (ko) 2015-02-26
PL1902443T3 (pl) 2009-12-31
DE602006007139D1 (de) 2009-07-16
EP1902443A2 (en) 2008-03-26
JP2009501354A (ja) 2009-01-15
US20080255856A1 (en) 2008-10-16
RU2008105556A (ru) 2009-08-20
ES2374309T3 (es) 2012-02-15
ATE523877T1 (de) 2011-09-15
MX2008000504A (es) 2008-03-07
CN102013256A (zh) 2011-04-13
EP2088580A3 (en) 2009-08-19
ES2327158T3 (es) 2009-10-26
EP2088580B1 (en) 2011-09-07
JP5269039B2 (ja) 2013-08-21
KR101492826B1 (ko) 2015-02-13
KR20100134084A (ko) 2010-12-22
US7966191B2 (en) 2011-06-21
HK1154984A1 (en) 2012-05-04
KR20080037672A (ko) 2008-04-30
BRPI0613469A2 (pt) 2012-11-06
RU2418385C2 (ru) 2011-05-10

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