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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 (xx)
EP (2) EP2088580B1 (xx)
JP (2) JP5097702B2 (xx)
KR (2) KR101492826B1 (xx)
CN (2) CN101223575B (xx)
AT (2) ATE433182T1 (xx)
BR (1) BRPI0613469A2 (xx)
DE (1) DE602006007139D1 (xx)
ES (2) ES2374309T3 (xx)
HK (1) HK1154984A1 (xx)
MX (1) MX2008000504A (xx)
PL (2) PL1902443T3 (xx)
RU (2) RU2418385C2 (xx)
WO (1) WO2007007263A2 (xx)

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KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
CN102968994B (zh) * 2007-10-22 2015-07-15 韩国电子通信研究院 多对象音频解码方法和设备
CN102203854B (zh) * 2008-10-29 2013-01-02 杜比国际公司 使用预先存在的音频增益元数据的信号削波保护
KR20110022251A (ko) * 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
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CN103854651B (zh) * 2009-12-16 2017-04-12 杜比国际公司 Sbr比特流参数缩混
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
JP5762620B2 (ja) 2011-03-28 2015-08-12 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 低周波数エフェクトチャネルのための複雑さが低減された変換
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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
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
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
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
CN105637581B (zh) 2013-10-21 2019-09-20 杜比国际公司 用于音频信号的参数重建的去相关器结构
EP2866475A1 (en) * 2013-10-23 2015-04-29 Thomson Licensing Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups
WO2016066743A1 (en) * 2014-10-31 2016-05-06 Dolby International Ab Parametric encoding and decoding of multichannel audio signals
KR102488354B1 (ko) * 2015-06-24 2023-01-13 소니그룹주식회사 음성 처리 장치 및 방법, 그리고 기록 매체
US10416954B2 (en) 2017-04-28 2019-09-17 Microsoft Technology Licensing, Llc Streaming of augmented/virtual reality spatial audio/video

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BRPI0510513A (pt) * 2004-04-28 2007-10-30 Matsushita Electric Ind Co Ltd aparelho de codificação em hierarquia e método de codificação em hierarquia
WO2007007263A2 (en) * 2005-07-14 2007-01-18 Koninklijke Philips Electronics N.V. Audio encoding and decoding
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
RU2418385C2 (ru) 2011-05-10
EP2088580A3 (en) 2009-08-19
JP2009501354A (ja) 2009-01-15
WO2007007263A2 (en) 2007-01-18
US7966191B2 (en) 2011-06-21
KR101496193B1 (ko) 2015-02-26
EP2088580A2 (en) 2009-08-12
EP2088580B1 (en) 2011-09-07
KR20100134084A (ko) 2010-12-22
PL1902443T3 (pl) 2009-12-31
ES2327158T3 (es) 2009-10-26
EP1902443B1 (en) 2009-06-03
JP5269039B2 (ja) 2013-08-21
CN101223575B (zh) 2011-09-21
DE602006007139D1 (de) 2009-07-16
ATE523877T1 (de) 2011-09-15
US20080255856A1 (en) 2008-10-16
WO2007007263A3 (en) 2007-03-29
KR20080037672A (ko) 2008-04-30
BRPI0613469A2 (pt) 2012-11-06
MX2008000504A (es) 2008-03-07
ATE433182T1 (de) 2009-06-15
JP2011059711A (ja) 2011-03-24
RU2010137467A (ru) 2012-03-20
EP1902443A2 (en) 2008-03-26
RU2461078C2 (ru) 2012-09-10
RU2008105556A (ru) 2009-08-20
CN102013256A (zh) 2011-04-13
CN101223575A (zh) 2008-07-16
PL2088580T3 (pl) 2012-07-31
CN102013256B (zh) 2013-12-18
ES2374309T3 (es) 2012-02-15
KR101492826B1 (ko) 2015-02-13
JP5097702B2 (ja) 2012-12-12

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