JP5097702B2 - オーディオエンコード及びデコード - Google Patents

オーディオエンコード及びデコード Download PDF

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Publication number
JP5097702B2
JP5097702B2 JP2008521009A JP2008521009A JP5097702B2 JP 5097702 B2 JP5097702 B2 JP 5097702B2 JP 2008521009 A JP2008521009 A JP 2008521009A JP 2008521009 A JP2008521009 A JP 2008521009A JP 5097702 B2 JP5097702 B2 JP 5097702B2
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Japan
Prior art keywords
channel
data
decoder
audio
channels
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Expired - Lifetime
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JP2008521009A
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English (en)
Japanese (ja)
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JP2009501354A5 (enExample
JP2009501354A (ja
Inventor
エリック ジー ピー スハイゥイェルス
ヘラルト エイチ ホト
ハイコ プルンハーゲン
ヴォルフガンク エイ シルドバッハ
ホルゲル ホーリッヒ
ハンス エム ケイ キョーリング
カール ジェイ ローデーン
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Dolby International AB
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Dolby International AB
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    • 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

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  • 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)
JP2008521009A 2005-07-14 2006-07-07 オーディオエンコード及びデコード Expired - Lifetime JP5097702B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05106466 2005-07-14
EP05106466.5 2005-07-14
PCT/IB2006/052309 WO2007007263A2 (en) 2005-07-14 2006-07-07 Audio encoding and decoding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010254409A Division JP5269039B2 (ja) 2005-07-14 2010-11-15 オーディオエンコード及びデコード

Publications (3)

Publication Number Publication Date
JP2009501354A JP2009501354A (ja) 2009-01-15
JP2009501354A5 JP2009501354A5 (enExample) 2009-08-20
JP5097702B2 true JP5097702B2 (ja) 2012-12-12

Family

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Family Applications (2)

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JP2008521009A Expired - Lifetime JP5097702B2 (ja) 2005-07-14 2006-07-07 オーディオエンコード及びデコード
JP2010254409A Expired - Lifetime JP5269039B2 (ja) 2005-07-14 2010-11-15 オーディオエンコード及びデコード

Family Applications After (1)

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JP2010254409A Expired - Lifetime JP5269039B2 (ja) 2005-07-14 2010-11-15 オーディオエンコード及びデコード

Country Status (13)

Country Link
US (1) US7966191B2 (enExample)
EP (2) EP1902443B1 (enExample)
JP (2) JP5097702B2 (enExample)
KR (2) KR101492826B1 (enExample)
CN (2) CN102013256B (enExample)
AT (2) ATE433182T1 (enExample)
BR (1) BRPI0613469A2 (enExample)
DE (1) DE602006007139D1 (enExample)
ES (2) ES2327158T3 (enExample)
MX (1) MX2008000504A (enExample)
PL (2) PL1902443T3 (enExample)
RU (2) RU2418385C2 (enExample)
WO (1) WO2007007263A2 (enExample)

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KR101218776B1 (ko) * 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
CN101361122B (zh) * 2006-04-03 2012-12-19 Lg电子株式会社 处理媒体信号的装置及其方法
WO2008084427A2 (en) * 2007-01-10 2008-07-17 Koninklijke Philips Electronics N.V. Audio decoder
EP2093757A4 (en) * 2007-02-20 2012-02-22 Panasonic Corp MULTI-CHANNEL DECODING DEVICE, MULTI-CHANNEL DECODING METHOD, PROGRAM AND INTEGRATED SEMICONDUCTOR SWITCHING
WO2008114982A1 (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
US20100228554A1 (en) * 2007-10-22 2010-09-09 Electronics And Telecommunications Research Institute Multi-object audio encoding and decoding method and apparatus thereof
EP4528726B1 (en) * 2008-10-29 2026-03-18 Dolby International AB Signal clipping protection using pre-existing audio gain metadata
KR20110022251A (ko) * 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
EP2491553B1 (en) 2009-10-20 2016-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction
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
MY166267A (en) 2011-03-28 2018-06-22 Dolby Laboratories Licensing Corp Reduced complexity transform for a low-frequency-effects channel
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
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
WO2014187987A1 (en) 2013-05-24 2014-11-27 Dolby International Ab Methods for audio encoding and decoding, corresponding computer-readable media and corresponding audio encoder and decoder
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
CN111192592B (zh) 2013-10-21 2023-09-15 杜比国际公司 音频信号的参数化重构
KR101805327B1 (ko) 2013-10-21 2017-12-05 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성을 위한 역상관기 구조
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
KR102486338B1 (ko) * 2014-10-31 2023-01-10 돌비 인터네셔널 에이비 멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩
KR101930671B1 (ko) * 2015-06-24 2018-12-18 소니 주식회사 음성 처리 장치 및 방법, 그리고 기록 매체
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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
PL2088580T3 (pl) 2012-07-31
KR20080037672A (ko) 2008-04-30
EP2088580A3 (en) 2009-08-19
EP1902443B1 (en) 2009-06-03
ATE523877T1 (de) 2011-09-15
CN101223575A (zh) 2008-07-16
KR101492826B1 (ko) 2015-02-13
BRPI0613469A2 (pt) 2012-11-06
RU2010137467A (ru) 2012-03-20
JP5269039B2 (ja) 2013-08-21
CN101223575B (zh) 2011-09-21
JP2011059711A (ja) 2011-03-24
ES2327158T3 (es) 2009-10-26
RU2461078C2 (ru) 2012-09-10
EP2088580A2 (en) 2009-08-12
WO2007007263A2 (en) 2007-01-18
US20080255856A1 (en) 2008-10-16
RU2418385C2 (ru) 2011-05-10
KR20100134084A (ko) 2010-12-22
CN102013256A (zh) 2011-04-13
HK1154984A1 (en) 2012-05-04
KR101496193B1 (ko) 2015-02-26
MX2008000504A (es) 2008-03-07
WO2007007263A3 (en) 2007-03-29
ATE433182T1 (de) 2009-06-15
DE602006007139D1 (de) 2009-07-16
RU2008105556A (ru) 2009-08-20
US7966191B2 (en) 2011-06-21
PL1902443T3 (pl) 2009-12-31
EP2088580B1 (en) 2011-09-07
JP2009501354A (ja) 2009-01-15
CN102013256B (zh) 2013-12-18
EP1902443A2 (en) 2008-03-26
ES2374309T3 (es) 2012-02-15

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