HK1154984A1 - Method and apparatus for generating a number of output audio channels - Google Patents

Method and apparatus for generating a number of output audio channels

Info

Publication number
HK1154984A1
HK1154984A1 HK11109165.7A HK11109165A HK1154984A1 HK 1154984 A1 HK1154984 A1 HK 1154984A1 HK 11109165 A HK11109165 A HK 11109165A HK 1154984 A1 HK1154984 A1 HK 1154984A1
Authority
HK
Hong Kong
Prior art keywords
decoder
data
hierarchical
data stream
audio
Prior art date
Application number
HK11109165.7A
Other languages
English (en)
Inventor
Erik G P Schuijers
Gerard H Hotho
Heiko Purnhagen
Wolfgang A Schildbach
Holger Horich
Hans M K Kjorling
Karl J Roeden
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv, Dolby Int Ab filed Critical Koninkl Philips Electronics Nv
Publication of HK1154984A1 publication Critical patent/HK1154984A1/xx

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)
HK11109165.7A 2005-07-14 2011-08-30 Method and apparatus for generating a number of output audio channels HK1154984A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05106466 2005-07-14

Publications (1)

Publication Number Publication Date
HK1154984A1 true HK1154984A1 (en) 2012-05-04

Family

ID=37467582

Family Applications (1)

Application Number Title Priority Date Filing Date
HK11109165.7A HK1154984A1 (en) 2005-07-14 2011-08-30 Method and apparatus for generating a number of output audio channels

Country Status (14)

Country Link
US (1) US7966191B2 (es)
EP (2) EP2088580B1 (es)
JP (2) JP5097702B2 (es)
KR (2) KR101492826B1 (es)
CN (2) CN101223575B (es)
AT (2) ATE523877T1 (es)
BR (1) BRPI0613469A2 (es)
DE (1) DE602006007139D1 (es)
ES (2) ES2327158T3 (es)
HK (1) HK1154984A1 (es)
MX (1) MX2008000504A (es)
PL (2) PL2088580T3 (es)
RU (2) RU2418385C2 (es)
WO (1) WO2007007263A2 (es)

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KR20110022251A (ko) * 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
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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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WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
BR112015018522B1 (pt) * 2013-02-14 2021-12-14 Dolby Laboratories Licensing Corporation Método, aparelho e meio não transitório que tem um método armazenado no mesmo para controlar a coerência entre canais de sinais de áudio com upmix.
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
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
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
KR20230011480A (ko) 2013-10-21 2023-01-20 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
JP6201047B2 (ja) 2013-10-21 2017-09-20 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のための脱相関器構造
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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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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
PL1735779T3 (pl) * 2004-04-05 2014-01-31 Koninklijke Philips Nv Urządzenie kodujące, dekodujące, sposoby z nimi powiązane oraz powiązany system audio
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ATE523877T1 (de) * 2005-07-14 2011-09-15 Koninkl Philips Electronics Nv Audiodecodierung
JP5321820B2 (ja) * 2009-04-23 2013-10-23 セイコーエプソン株式会社 用紙搬送装置

Also Published As

Publication number Publication date
EP1902443A2 (en) 2008-03-26
CN102013256A (zh) 2011-04-13
PL1902443T3 (pl) 2009-12-31
JP2009501354A (ja) 2009-01-15
KR20080037672A (ko) 2008-04-30
CN101223575A (zh) 2008-07-16
MX2008000504A (es) 2008-03-07
WO2007007263A3 (en) 2007-03-29
CN101223575B (zh) 2011-09-21
JP5269039B2 (ja) 2013-08-21
JP2011059711A (ja) 2011-03-24
ES2327158T3 (es) 2009-10-26
JP5097702B2 (ja) 2012-12-12
RU2418385C2 (ru) 2011-05-10
DE602006007139D1 (de) 2009-07-16
BRPI0613469A2 (pt) 2012-11-06
ES2374309T3 (es) 2012-02-15
US7966191B2 (en) 2011-06-21
CN102013256B (zh) 2013-12-18
WO2007007263A2 (en) 2007-01-18
RU2461078C2 (ru) 2012-09-10
RU2008105556A (ru) 2009-08-20
PL2088580T3 (pl) 2012-07-31
US20080255856A1 (en) 2008-10-16
EP2088580B1 (en) 2011-09-07
ATE433182T1 (de) 2009-06-15
KR20100134084A (ko) 2010-12-22
KR101496193B1 (ko) 2015-02-26
EP1902443B1 (en) 2009-06-03
KR101492826B1 (ko) 2015-02-13
EP2088580A2 (en) 2009-08-12
EP2088580A3 (en) 2009-08-19
ATE523877T1 (de) 2011-09-15
RU2010137467A (ru) 2012-03-20

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