ATE523877T1 - Audiodecodierung - Google Patents

Audiodecodierung

Info

Publication number
ATE523877T1
ATE523877T1 AT09005485T AT09005485T ATE523877T1 AT E523877 T1 ATE523877 T1 AT E523877T1 AT 09005485 T AT09005485 T AT 09005485T AT 09005485 T AT09005485 T AT 09005485T AT E523877 T1 ATE523877 T1 AT E523877T1
Authority
AT
Austria
Prior art keywords
decoder
data
hierarchical
data stream
audio
Prior art date
Application number
AT09005485T
Other languages
English (en)
Inventor
Erik Schuijers
Gerard Hotho
Heiko Purnhagen
Wolfgang A Schildbach
Holger Hoerich
Hans M Kjoerling
Karl J Roeden
Original Assignee
Koninkl Philips Electronics Nv
Dolby Sweden 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 Sweden Ab filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE523877T1 publication Critical patent/ATE523877T1/de

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)
  • 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)
AT09005485T 2005-07-14 2006-07-07 Audiodecodierung ATE523877T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE523877T1 true ATE523877T1 (de) 2011-09-15

Family

ID=37467582

Family Applications (2)

Application Number Title Priority Date Filing Date
AT09005485T ATE523877T1 (de) 2005-07-14 2006-07-07 Audiodecodierung
AT06766049T ATE433182T1 (de) 2005-07-14 2006-07-07 Audiokodierung und audiodekodierung

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT06766049T ATE433182T1 (de) 2005-07-14 2006-07-07 Audiokodierung und audiodekodierung

Country Status (14)

Country Link
US (1) US7966191B2 (de)
EP (2) EP2088580B1 (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) PL1902443T3 (de)
RU (2) RU2418385C2 (de)
WO (1) WO2007007263A2 (de)

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TWI451403B (zh) 2009-10-20 2014-09-01 Fraunhofer Ges Forschung 音訊編碼器、音訊解碼器、用以將音訊資訊編碼之方法、用以將音訊資訊解碼之方法及使用區域從屬算術編碼對映規則之電腦程式
MY166998A (en) * 2009-12-16 2018-07-27 Dolby Int 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
CN103415883B (zh) 2011-03-28 2015-11-25 杜比实验室特许公司 用于低频效果声道的减少复杂性变换
RU2630370C9 (ru) * 2013-02-14 2017-09-26 Долби Лабораторис Лайсэнзин Корпорейшн Способы управления межканальной когерентностью звуковых сигналов, подвергнутых повышающему микшированию
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
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
BR112015028914B1 (pt) 2013-05-24 2021-12-07 Dolby International Ab Método e aparelho para reconstruir um bloco de tempo/frequência de objetos de áudio n, método e codificador para gerar pelo menos um parâmetro de ponderação, e meio legível por computador
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
KR102244379B1 (ko) 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
RU2641463C2 (ru) 2013-10-21 2018-01-17 Долби Интернэшнл Аб Структура декоррелятора для параметрического восстановления звуковых сигналов
EP2866475A1 (de) 2013-10-23 2015-04-29 Thomson Licensing Verfahren und Vorrichtung zur Decodierung einer Audioschallfelddarstellung für Audiowiedergabe mittels 2D-Einstellungen
KR102486338B1 (ko) * 2014-10-31 2023-01-10 돌비 인터네셔널 에이비 멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩
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KR101492826B1 (ko) * 2005-07-14 2015-02-13 코닌클리케 필립스 엔.브이. 다수의 출력 오디오 채널들을 생성하기 위한 장치 및 방법과, 그 장치를 포함하는 수신기 및 오디오 재생 디바이스, 데이터 스트림 수신 방법, 및 컴퓨터 판독가능 기록매체
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
KR20080037672A (ko) 2008-04-30
JP2009501354A (ja) 2009-01-15
RU2010137467A (ru) 2012-03-20
CN101223575B (zh) 2011-09-21
US7966191B2 (en) 2011-06-21
RU2418385C2 (ru) 2011-05-10
ATE433182T1 (de) 2009-06-15
BRPI0613469A2 (pt) 2012-11-06
KR101496193B1 (ko) 2015-02-26
WO2007007263A3 (en) 2007-03-29
DE602006007139D1 (de) 2009-07-16
CN102013256B (zh) 2013-12-18
RU2461078C2 (ru) 2012-09-10
EP2088580B1 (de) 2011-09-07
JP5269039B2 (ja) 2013-08-21
MX2008000504A (es) 2008-03-07
PL1902443T3 (pl) 2009-12-31
EP2088580A3 (de) 2009-08-19
RU2008105556A (ru) 2009-08-20
ES2327158T3 (es) 2009-10-26
KR20100134084A (ko) 2010-12-22
PL2088580T3 (pl) 2012-07-31
EP1902443A2 (de) 2008-03-26
KR101492826B1 (ko) 2015-02-13
US20080255856A1 (en) 2008-10-16
EP1902443B1 (de) 2009-06-03
ES2374309T3 (es) 2012-02-15
HK1154984A1 (en) 2012-05-04
JP5097702B2 (ja) 2012-12-12
EP2088580A2 (de) 2009-08-12
WO2007007263A2 (en) 2007-01-18
CN101223575A (zh) 2008-07-16
CN102013256A (zh) 2011-04-13
JP2011059711A (ja) 2011-03-24

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