KR101108060B1 - 신호 처리 방법 및 이의 장치 - Google Patents

신호 처리 방법 및 이의 장치 Download PDF

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Publication number
KR101108060B1
KR101108060B1 KR1020090090515A KR20090090515A KR101108060B1 KR 101108060 B1 KR101108060 B1 KR 101108060B1 KR 1020090090515 A KR1020090090515 A KR 1020090090515A KR 20090090515 A KR20090090515 A KR 20090090515A KR 101108060 B1 KR101108060 B1 KR 101108060B1
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KR
South Korea
Prior art keywords
phase difference
channel
signal
channels
inter
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KR1020090090515A
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English (en)
Korean (ko)
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KR20100035120A (ko
Inventor
이현국
윤성용
김동수
임재현
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엘지전자 주식회사
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Priority to PCT/KR2009/005500 priority Critical patent/WO2010036062A2/en
Priority to EP09012222.7A priority patent/EP2169665B1/en
Priority to JP2011528942A priority patent/JP5480274B2/ja
Priority to CN2009801378698A priority patent/CN102165519A/zh
Priority to US12/567,285 priority patent/US8258849B2/en
Publication of KR20100035120A publication Critical patent/KR20100035120A/ko
Application granted granted Critical
Publication of KR101108060B1 publication Critical patent/KR101108060B1/ko

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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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020090090515A 2008-09-25 2009-09-24 신호 처리 방법 및 이의 장치 KR101108060B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/KR2009/005500 WO2010036062A2 (en) 2008-09-25 2009-09-25 A method and an apparatus for processing a signal
EP09012222.7A EP2169665B1 (en) 2008-09-25 2009-09-25 A method and an apparatus for processing a signal
JP2011528942A JP5480274B2 (ja) 2008-09-25 2009-09-25 信号処理方法及び装置
CN2009801378698A CN102165519A (zh) 2008-09-25 2009-09-25 处理信号的方法和装置
US12/567,285 US8258849B2 (en) 2008-09-25 2009-09-25 Method and an apparatus for processing a signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10026208P 2008-09-25 2008-09-25
US61/100,262 2008-09-25

Publications (2)

Publication Number Publication Date
KR20100035120A KR20100035120A (ko) 2010-04-02
KR101108060B1 true KR101108060B1 (ko) 2012-01-25

Family

ID=42213076

Family Applications (3)

Application Number Title Priority Date Filing Date
KR1020090090516A KR20100035121A (ko) 2008-09-25 2009-09-24 신호 처리 방법 및 이의 장치
KR1020090090518A KR101108061B1 (ko) 2008-09-25 2009-09-24 신호 처리 방법 및 이의 장치
KR1020090090515A KR101108060B1 (ko) 2008-09-25 2009-09-24 신호 처리 방법 및 이의 장치

Family Applications Before (2)

Application Number Title Priority Date Filing Date
KR1020090090516A KR20100035121A (ko) 2008-09-25 2009-09-24 신호 처리 방법 및 이의 장치
KR1020090090518A KR101108061B1 (ko) 2008-09-25 2009-09-24 신호 처리 방법 및 이의 장치

Country Status (4)

Country Link
JP (2) JP5480274B2 (es)
KR (3) KR20100035121A (es)
CN (2) CN102165520B (es)
ES (1) ES2547232T3 (es)

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MX2011006248A (es) * 2009-04-08 2011-07-20 Fraunhofer Ges Forschung Aparato, metodo y programa de computacion para mezclar en forma ascendente una señal de audio con mezcla descendente utilizando una suavizacion de valor de fase.
KR101767175B1 (ko) 2011-03-18 2017-08-10 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 코딩에서의 프레임 요소 길이 전송
CN102446507B (zh) 2011-09-27 2013-04-17 华为技术有限公司 一种下混信号生成、还原的方法和装置
WO2013149673A1 (en) * 2012-04-05 2013-10-10 Huawei Technologies Co., Ltd. Method for inter-channel difference estimation and spatial audio coding device
JP5977434B2 (ja) * 2012-04-05 2016-08-24 ホアウェイ・テクノロジーズ・カンパニー・リミテッド パラメトリック空間オーディオ符号化および復号化のための方法、パラメトリック空間オーディオ符号器およびパラメトリック空間オーディオ復号器
EP2790419A1 (en) 2013-04-12 2014-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for center signal scaling and stereophonic enhancement based on a signal-to-downmix ratio
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
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
KR101805327B1 (ko) * 2013-10-21 2017-12-05 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성을 위한 역상관기 구조
CN104681029B (zh) * 2013-11-29 2018-06-05 华为技术有限公司 立体声相位参数的编码方法及装置
CN107452387B (zh) 2016-05-31 2019-11-12 华为技术有限公司 一种声道间相位差参数的提取方法及装置
CN108694955B (zh) 2017-04-12 2020-11-17 华为技术有限公司 多声道信号的编解码方法和编解码器
CN109215668B (zh) 2017-06-30 2021-01-05 华为技术有限公司 一种声道间相位差参数的编码方法及装置
CN110556118B (zh) * 2018-05-31 2022-05-10 华为技术有限公司 立体声信号的编码方法和装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100649299B1 (ko) 2001-07-10 2006-11-24 코딩 테크놀러지스 에이비 저 비트레이트 오디오 코딩 적용을 위한 효율적인스케일러블 파라미터 스테레오 코딩 방법 및 장치
KR20080051042A (ko) * 2006-12-04 2008-06-10 한국전자통신연구원 상호상관을 이용한 다채널 오디오 신호 복호화 장치 및 그방법

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JP2002208869A (ja) * 2001-01-09 2002-07-26 Sony Corp マルチバンド無線信号送受信装置
CN1647156B (zh) * 2002-04-22 2010-05-26 皇家飞利浦电子股份有限公司 参数编码方法、参数编码器、用于提供音频信号的设备、解码方法、解码器、用于提供解码后的多声道音频信号的设备
DE602005005640T2 (de) * 2004-03-01 2009-05-14 Dolby Laboratories Licensing Corp., San Francisco Mehrkanalige audiocodierung
WO2005098821A2 (en) * 2004-04-05 2005-10-20 Koninklijke Philips Electronics N.V. Multi-channel encoder
KR101117336B1 (ko) * 2004-05-19 2012-03-08 파나소닉 주식회사 오디오 신호 부호화 장치 및 오디오 신호 복호화 장치
WO2006003813A1 (ja) 2004-07-02 2006-01-12 Matsushita Electric Industrial Co., Ltd. オーディオ符号化及び復号化装置
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
JP5587551B2 (ja) * 2005-09-13 2014-09-10 コーニンクレッカ フィリップス エヌ ヴェ オーディオ符号化
EP2575129A1 (en) * 2006-09-29 2013-04-03 Electronics and Telecommunications Research Institute Apparatus and method for coding and decoding multi-object audio signal with various channel
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KR100649299B1 (ko) 2001-07-10 2006-11-24 코딩 테크놀러지스 에이비 저 비트레이트 오디오 코딩 적용을 위한 효율적인스케일러블 파라미터 스테레오 코딩 방법 및 장치
KR20080051042A (ko) * 2006-12-04 2008-06-10 한국전자통신연구원 상호상관을 이용한 다채널 오디오 신호 복호화 장치 및 그방법

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SAMSUDIN et al. "A stereo to mono downmixing scheme for MPEG-4 parametric stereo encoder" In : Acoustic, Speech and Signal Processing 2006, ICASSP 2006 Proceedings, May 2006, pp. V-529 ~ V-532.

Also Published As

Publication number Publication date
CN102165520A (zh) 2011-08-24
ES2547232T3 (es) 2015-10-02
JP5480274B2 (ja) 2014-04-23
KR20100035121A (ko) 2010-04-02
CN102165520B (zh) 2012-11-28
CN102165519A (zh) 2011-08-24
KR101108061B1 (ko) 2012-01-25
JP2012503791A (ja) 2012-02-09
KR20100035122A (ko) 2010-04-02
KR20100035120A (ko) 2010-04-02
JP2012503792A (ja) 2012-02-09
JP5426680B2 (ja) 2014-02-26

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