ATE515018T1 - Zwischenkanal-signalredundanzentfernung bei der wahrnehmungsbezogenen audiocodierung - Google Patents

Zwischenkanal-signalredundanzentfernung bei der wahrnehmungsbezogenen audiocodierung

Info

Publication number
ATE515018T1
ATE515018T1 AT02727860T AT02727860T ATE515018T1 AT E515018 T1 ATE515018 T1 AT E515018T1 AT 02727860 T AT02727860 T AT 02727860T AT 02727860 T AT02727860 T AT 02727860T AT E515018 T1 ATE515018 T1 AT E515018T1
Authority
AT
Austria
Prior art keywords
audio coding
perceptual audio
signal redundancy
mdct coefficients
interchannel signal
Prior art date
Application number
AT02727860T
Other languages
English (en)
Inventor
Ye Wang
Miikka Vilermo
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE515018T1 publication Critical patent/ATE515018T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stereophonic System (AREA)
AT02727860T 2001-05-11 2002-05-08 Zwischenkanal-signalredundanzentfernung bei der wahrnehmungsbezogenen audiocodierung ATE515018T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/854,143 US6934676B2 (en) 2001-05-11 2001-05-11 Method and system for inter-channel signal redundancy removal in perceptual audio coding
PCT/IB2002/001595 WO2002093556A1 (en) 2001-05-11 2002-05-08 Inter-channel signal redundancy removal in perceptual audio coding

Publications (1)

Publication Number Publication Date
ATE515018T1 true ATE515018T1 (de) 2011-07-15

Family

ID=25317845

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02727860T ATE515018T1 (de) 2001-05-11 2002-05-08 Zwischenkanal-signalredundanzentfernung bei der wahrnehmungsbezogenen audiocodierung

Country Status (4)

Country Link
US (1) US6934676B2 (de)
EP (1) EP1393303B1 (de)
AT (1) ATE515018T1 (de)
WO (1) WO2002093556A1 (de)

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EP2469741A1 (de) * 2010-12-21 2012-06-27 Thomson Licensing Verfahren und Vorrichtung zur Kodierung und Dekodierung aufeinanderfolgender Rahmen einer Ambisonics-Darstellung eines 2- oder 3-dimensionalen Schallfelds
WO2012122297A1 (en) 2011-03-07 2012-09-13 Xiph. Org. Methods and systems for avoiding partial collapse in multi-block audio coding
US9009036B2 (en) 2011-03-07 2015-04-14 Xiph.org Foundation Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding
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EP2743922A1 (de) 2012-12-12 2014-06-18 Thomson Licensing Verfahren und Vorrichtung zur Komprimierung und Dekomprimierung einer High Order Ambisonics-Signaldarstellung für ein Schallfeld
CN110517700B (zh) * 2013-01-29 2023-06-09 弗劳恩霍夫应用研究促进协会 用于选择第一编码算法与第二编码算法中的一个的装置
EP2830065A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Decodierung eines codierten Audiosignals unter Verwendung eines Überschneidungsfilters um eine Übergangsfrequenz
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CN109524015B (zh) 2017-09-18 2022-04-15 杭州海康威视数字技术股份有限公司 音频编码方法、解码方法、装置及音频编解码系统
EP3719799A1 (de) * 2019-04-04 2020-10-07 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Mehrkanaliger audiocodierer, decodierer, verfahren und computerprogramm zum umschalten zwischen einem parametrischen mehrkanalbetrieb und einem einzelkanalbetrieb
WO2021232376A1 (zh) 2020-05-21 2021-11-25 华为技术有限公司 一种音频数据传输方法及相关装置
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Also Published As

Publication number Publication date
EP1393303A4 (de) 2009-08-05
EP1393303A1 (de) 2004-03-03
US20030014136A1 (en) 2003-01-16
EP1393303B1 (de) 2011-06-29
US6934676B2 (en) 2005-08-23
WO2002093556A1 (en) 2002-11-21

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