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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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)
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 (de)
EP (2) EP1902443B1 (de)
JP (2) JP5097702B2 (de)
KR (2) KR101492826B1 (de)
CN (2) CN102013256B (de)
AT (2) ATE523877T1 (de)
BR (1) BRPI0613469A2 (de)
DE (1) DE602006007139D1 (de)
ES (2) ES2327158T3 (de)
HK (1) HK1154984A1 (de)
MX (1) MX2008000504A (de)
PL (2) PL2088580T3 (de)
RU (2) RU2418385C2 (de)
WO (1) WO2007007263A2 (de)

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EP2002425B1 (de) * 2006-04-03 2016-06-22 Lg Electronics Inc. Audiosignalenkodierer und Audiosignaldekodierer
EP2109861B1 (de) * 2007-01-10 2019-03-13 Koninklijke Philips N.V. Audiodekoder
WO2008102527A1 (ja) * 2007-02-20 2008-08-28 Panasonic Corporation マルチチャンネル復号装置、マルチチャンネル復号方法、プログラム及び半導体集積回路
WO2008114984A1 (en) * 2007-03-16 2008-09-25 Lg Electronics Inc. A method and an apparatus for processing an audio signal
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
WO2009054665A1 (en) * 2007-10-22 2009-04-30 Electronics And Telecommunications Research Institute Multi-object audio encoding and decoding method and apparatus thereof
JP5603339B2 (ja) * 2008-10-29 2014-10-08 ドルビー インターナショナル アーベー 既存のオーディオゲインメタデータを使用した信号のクリッピングの保護
KR20110022251A (ko) * 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
CN102667921B (zh) 2009-10-20 2014-09-10 弗兰霍菲尔运输应用研究公司 音频编码器、音频解码器、用于将音频信息编码的方法、用于将音频信息解码的方法
CA2779388C (en) * 2009-12-16 2015-11-10 Dolby International Ab Sbr bitstream parameter downmix
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
AU2012238001B2 (en) 2011-03-28 2015-09-17 Dolby Laboratories Licensing Corporation Reduced complexity transform for a low-frequency-effects channel
JP6046274B2 (ja) * 2013-02-14 2016-12-14 ドルビー ラボラトリーズ ライセンシング コーポレイション 上方混合されたオーディオ信号のチャネル間コヒーレンスの制御方法
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
TWI634547B (zh) * 2013-09-12 2018-09-01 瑞典商杜比國際公司 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品
RU2641463C2 (ru) 2013-10-21 2018-01-17 Долби Интернэшнл Аб Структура декоррелятора для параметрического восстановления звуковых сигналов
EP3061089B1 (de) * 2013-10-21 2018-01-17 Dolby International AB Parametrische rekonstruktion von tonsignalen
EP2866475A1 (de) * 2013-10-23 2015-04-29 Thomson Licensing Verfahren und Vorrichtung zur Decodierung einer Audioschallfelddarstellung für Audiowiedergabe mittels 2D-Einstellungen
BR112017008015B1 (pt) * 2014-10-31 2023-11-14 Dolby International Ab Métodos e sistemas de decodificação e codificação de áudio
JP6962192B2 (ja) * 2015-06-24 2021-11-05 ソニーグループ株式会社 音声処理装置および方法、並びにプログラム
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CN1906664A (zh) * 2004-02-25 2007-01-31 松下电器产业株式会社 音频编码器和音频解码器
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KR20070007851A (ko) * 2004-04-28 2007-01-16 마츠시타 덴끼 산교 가부시키가이샤 계층 부호화 장치 및 계층 부호화 방법
CN102013256B (zh) * 2005-07-14 2013-12-18 皇家飞利浦电子股份有限公司 用于生成多个输出音频通道的方法及设备
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
JP2009501354A (ja) 2009-01-15
WO2007007263A3 (en) 2007-03-29
JP5097702B2 (ja) 2012-12-12
EP1902443B1 (de) 2009-06-03
WO2007007263A2 (en) 2007-01-18
JP5269039B2 (ja) 2013-08-21
DE602006007139D1 (de) 2009-07-16
EP2088580B1 (de) 2011-09-07
EP2088580A3 (de) 2009-08-19
KR101496193B1 (ko) 2015-02-26
RU2008105556A (ru) 2009-08-20
BRPI0613469A2 (pt) 2012-11-06
KR20080037672A (ko) 2008-04-30
PL2088580T3 (pl) 2012-07-31
EP1902443A2 (de) 2008-03-26
ATE433182T1 (de) 2009-06-15
CN101223575A (zh) 2008-07-16
CN102013256A (zh) 2011-04-13
ATE523877T1 (de) 2011-09-15
ES2327158T3 (es) 2009-10-26
RU2010137467A (ru) 2012-03-20
ES2374309T3 (es) 2012-02-15
KR20100134084A (ko) 2010-12-22
CN102013256B (zh) 2013-12-18
PL1902443T3 (pl) 2009-12-31
JP2011059711A (ja) 2011-03-24
EP2088580A2 (de) 2009-08-12
RU2418385C2 (ru) 2011-05-10
RU2461078C2 (ru) 2012-09-10
US20080255856A1 (en) 2008-10-16
MX2008000504A (es) 2008-03-07
KR101492826B1 (ko) 2015-02-13
US7966191B2 (en) 2011-06-21
CN101223575B (zh) 2011-09-21

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