KR100891688B1 - 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 - Google Patents

멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 Download PDF

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KR100891688B1
KR100891688B1 KR20087011932A KR20087011932A KR100891688B1 KR 100891688 B1 KR100891688 B1 KR 100891688B1 KR 20087011932 A KR20087011932 A KR 20087011932A KR 20087011932 A KR20087011932 A KR 20087011932A KR 100891688 B1 KR100891688 B1 KR 100891688B1
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downmix
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KR20080065293A (ko
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정양원
방희석
오현오
김동수
임재현
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엘지전자 주식회사
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

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  • 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)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Time-Division Multiplex Systems (AREA)
KR20087011932A 2005-10-26 2006-10-20 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 Active KR100891688B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US73003305P 2005-10-26 2005-10-26
US60/730,033 2005-10-26
KR1020060071754 2006-07-28
KR20060071754 2006-07-28

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KR1020087021420A Division KR20080094710A (ko) 2005-10-26 2006-10-20 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치

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KR20080065293A KR20080065293A (ko) 2008-07-11
KR100891688B1 true KR100891688B1 (ko) 2009-04-03

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KR1020087021420A Ceased KR20080094710A (ko) 2005-10-26 2006-10-20 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치

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US (1) US8238561B2 (enExample)
EP (1) EP1946310A4 (enExample)
JP (1) JP2009514008A (enExample)
KR (2) KR100891688B1 (enExample)
CN (1) CN101297353B (enExample)
TW (2) TWI451401B (enExample)
WO (1) WO2007049881A1 (enExample)

Cited By (1)

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WO2016204583A1 (ko) * 2015-06-17 2016-12-22 삼성전자 주식회사 저연산 포맷 변환을 위한 인터널 채널 처리 방법 및 장치

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WO2008046531A1 (en) * 2006-10-16 2008-04-24 Dolby Sweden Ab Enhanced coding and parameter representation of multichannel downmixed object coding
EP2254110B1 (en) * 2008-03-19 2014-04-30 Panasonic Corporation Stereo signal encoding device, stereo signal decoding device and methods for them
JP5249408B2 (ja) 2008-04-16 2013-07-31 エルジー エレクトロニクス インコーポレイティド オーディオ信号の処理方法及び装置
US8326446B2 (en) 2008-04-16 2012-12-04 Lg Electronics Inc. Method and an apparatus for processing an audio signal
KR101062351B1 (ko) 2008-04-16 2011-09-05 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
WO2011021239A1 (ja) * 2009-08-20 2011-02-24 トムソン ライセンシング オーディオ・ストリームを合成する装置、方法及びプログラム
JP2011177430A (ja) * 2010-03-03 2011-09-15 Terumo Corp 医療用マニピュレータシステム
EP2688066A1 (en) 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
CN122531400A (zh) 2013-02-21 2026-08-07 杜比国际公司 用于参数化多声道编码的方法
KR101427756B1 (ko) * 2013-04-26 2014-08-08 주식회사 코아로직 멀티 채널의 오디오 신호 전송 방법 및 장치
EP3067885A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding a multi-channel signal
EP3298606B1 (en) * 2015-05-20 2019-05-01 Telefonaktiebolaget LM Ericsson (PUBL) Coding of multi-channel audio signals
CN108665902B (zh) 2017-03-31 2020-12-01 华为技术有限公司 多声道信号的编解码方法和编解码器

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US5682461A (en) 1992-03-24 1997-10-28 Institut Fuer Rundfunktechnik Gmbh Method of transmitting or storing digitalized, multi-channel audio signals
WO2003090208A1 (en) 2002-04-22 2003-10-30 Koninklijke Philips Electronics N.V. pARAMETRIC REPRESENTATION OF SPATIAL AUDIO
US6774820B2 (en) 1999-04-07 2004-08-10 Dolby Laboratories Licensing Corporation Matrix improvements to lossless encoding and decoding

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KR100335611B1 (ko) * 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
JP3529665B2 (ja) * 1999-04-16 2004-05-24 パイオニア株式会社 情報変換方法及び情報変換装置並びに情報再生装置
WO2002056300A1 (en) * 2001-01-16 2002-07-18 Koninklijke Philips Electronics N.V. Parametric encoder and method for encoding an audio or speech signal
US7006636B2 (en) * 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US7542896B2 (en) 2002-07-16 2009-06-02 Koninklijke Philips Electronics N.V. Audio coding/decoding with spatial parameters and non-uniform segmentation for transients
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
US7961890B2 (en) * 2005-04-15 2011-06-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Multi-channel hierarchical audio coding with compact side information
US7949014B2 (en) * 2005-07-11 2011-05-24 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signal
US7974713B2 (en) 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals

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Publication number Priority date Publication date Assignee Title
US5682461A (en) 1992-03-24 1997-10-28 Institut Fuer Rundfunktechnik Gmbh Method of transmitting or storing digitalized, multi-channel audio signals
US6774820B2 (en) 1999-04-07 2004-08-10 Dolby Laboratories Licensing Corporation Matrix improvements to lossless encoding and decoding
WO2003090208A1 (en) 2002-04-22 2003-10-30 Koninklijke Philips Electronics N.V. pARAMETRIC REPRESENTATION OF SPATIAL AUDIO

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Beack S. et al., "An Efficient Representation Method for ICLD with Robustness to Spectral Distortion" ETRI Journal, June 2005, VOL.27,NO.3

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016204583A1 (ko) * 2015-06-17 2016-12-22 삼성전자 주식회사 저연산 포맷 변환을 위한 인터널 채널 처리 방법 및 장치
US10607622B2 (en) 2015-06-17 2020-03-31 Samsung Electronics Co., Ltd. Device and method for processing internal channel for low complexity format conversion

Also Published As

Publication number Publication date
EP1946310A4 (en) 2011-03-09
TWI323878B (en) 2010-04-21
WO2007049881A1 (en) 2007-05-03
TW200746045A (en) 2007-12-16
JP2009514008A (ja) 2009-04-02
TWI451401B (zh) 2014-09-01
US20080262854A1 (en) 2008-10-23
CN101297353B (zh) 2013-03-13
US8238561B2 (en) 2012-08-07
KR20080094710A (ko) 2008-10-23
CN101297353A (zh) 2008-10-29
EP1946310A1 (en) 2008-07-23
KR20080065293A (ko) 2008-07-11
TW200939205A (en) 2009-09-16

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