ATE406651T1 - Audiokodierung und audiodekodierung - Google Patents

Audiokodierung und audiodekodierung

Info

Publication number
ATE406651T1
ATE406651T1 AT06727674T AT06727674T ATE406651T1 AT E406651 T1 ATE406651 T1 AT E406651T1 AT 06727674 T AT06727674 T AT 06727674T AT 06727674 T AT06727674 T AT 06727674T AT E406651 T1 ATE406651 T1 AT E406651T1
Authority
AT
Austria
Prior art keywords
enhancement data
signal
channel signal
channel
relative
Prior art date
Application number
AT06727674T
Other languages
German (de)
English (en)
Inventor
Gerard Hotho
Francois Myburg
Arnoldus Oomen
Original Assignee
Koninkl Philips Electronics Nv
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36607294&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE406651(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE406651T1 publication Critical patent/ATE406651T1/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT06727674T 2005-03-30 2006-03-16 Audiokodierung und audiodekodierung ATE406651T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05102515 2005-03-30
EP05103085 2005-04-18
EP06100245 2006-01-11

Publications (1)

Publication Number Publication Date
ATE406651T1 true ATE406651T1 (de) 2008-09-15

Family

ID=36607294

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06727674T ATE406651T1 (de) 2005-03-30 2006-03-16 Audiokodierung und audiodekodierung

Country Status (11)

Country Link
US (1) US7840411B2 (https=)
EP (1) EP1866913B1 (https=)
JP (1) JP5106383B2 (https=)
KR (2) KR20130079627A (https=)
CN (2) CN101151658B (https=)
AT (1) ATE406651T1 (https=)
BR (1) BRPI0608756B1 (https=)
DE (1) DE602006002501D1 (https=)
ES (1) ES2313646T3 (https=)
MX (1) MX2007011995A (https=)
WO (1) WO2006103586A1 (https=)

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US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
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US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8175888B2 (en) 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
CN105225667B (zh) 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
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TWI546799B (zh) 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
SG11201600466PA (en) 2013-07-22 2016-02-26 Fraunhofer Ges Forschung Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
EP2830051A3 (en) * 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
EP2830334A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
EP2830047A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for low delay object metadata coding
EP2830048A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for realizing a SAOC downmix of 3D audio content
CN103413553B (zh) * 2013-08-20 2016-03-09 腾讯科技（深圳）有限公司 音频编码方法、音频解码方法、编码端、解码端和系统
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Also Published As

Publication number Publication date
KR101346120B1 (ko) 2014-01-02
CN101151658A (zh) 2008-03-26
CN101151658B (zh) 2011-07-06
KR20130079627A (ko) 2013-07-10
JP5106383B2 (ja) 2012-12-26
BRPI0608756A2 (pt) 2011-03-15
US7840411B2 (en) 2010-11-23
BRPI0608756B1 (pt) 2019-06-04
CN101151660B (zh) 2011-10-19
WO2006103586A1 (en) 2006-10-05
KR20070116174A (ko) 2007-12-06
EP1866913B1 (en) 2008-08-27
DE602006002501D1 (de) 2008-10-09
EP1866913A1 (en) 2007-12-19
CN101151660A (zh) 2008-03-26
ES2313646T3 (es) 2009-03-01
MX2007011995A (es) 2007-12-07
JP2008535015A (ja) 2008-08-28
US20100153118A1 (en) 2010-06-17

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