JP5426680B2 - 信号処理方法及び装置 - Google Patents

信号処理方法及び装置 Download PDF

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Publication number: JP5426680B2
Authority: JP; Japan
Prior art keywords: inter; phase difference; channel; difference value; channel phase
Prior art date: 2008-09-25
Legal status (The legal status 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 status listed.): Active

Application number

JP2011528941A

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English (en)

Japanese (ja)

Other versions

JP2012503791A (ja

Inventor

ククリ，ヒュン

ヨンユン，スン

スーキム，ドン

ヒュンリム，ジェ

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

LG Electronics Inc

Original Assignee

LG Electronics Inc

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.)

2008-09-25

Filing date

2009-09-25

Publication date

2014-02-26

2009-09-25 Application filed by LG Electronics Inc filed Critical LG Electronics Inc

2009-09-25 Priority claimed from PCT/KR2009/005497 external-priority patent/WO2010036059A2/en

2012-02-09 Publication of JP2012503791A publication Critical patent/JP2012503791A/ja

2014-02-26 Application granted granted Critical

2014-02-26 Publication of JP5426680B2 publication Critical patent/JP5426680B2/ja

Status Active legal-status Critical Current

2029-09-25 Anticipated expiration legal-status Critical

Links

238000003672 processing method Methods 0.000 title description 20
238000000034 method Methods 0.000 claims description 37
238000012545 processing Methods 0.000 claims description 37
230000004807 localization Effects 0.000 claims description 28
238000012937 correction Methods 0.000 claims description 9
238000009499 grossing Methods 0.000 claims description 9
230000005236 sound signal Effects 0.000 description 49
230000010363 phase shift Effects 0.000 description 44
238000010586 diagram Methods 0.000 description 35
238000013139 quantization Methods 0.000 description 24
238000005259 measurement Methods 0.000 description 16
238000004891 communication Methods 0.000 description 11
230000000694 effects Effects 0.000 description 6
230000016507 interphase Effects 0.000 description 6
239000011159 matrix material Substances 0.000 description 5
230000008569 process Effects 0.000 description 4
230000005540 biological transmission Effects 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
238000004364 calculation method Methods 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
230000003111 delayed effect Effects 0.000 description 2
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Images

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
- G10L19/02—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)

JP2011528941A 2008-09-25 2009-09-25 信号処理方法及び装置 Active JP5426680B2 (ja)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
US10026208P	2008-09-25	2008-09-25
US61/100,262		2008-09-25
KR10-2009-0090518		2009-09-24
KR1020090090518A KR101108061B1 (ko)	2008-09-25	2009-09-24	신호 처리 방법 및 이의 장치
PCT/KR2009/005497 WO2010036059A2 (en)	2008-09-25	2009-09-25	A method and an apparatus for processing a signal

Publications (2)

Publication Number	Publication Date
JP2012503791A JP2012503791A (ja)	2012-02-09
JP5426680B2 true JP5426680B2 (ja)	2014-02-26

Family

ID=42213076

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
JP2011528942A Active JP5480274B2 (ja)	2008-09-25	2009-09-25	信号処理方法及び装置
JP2011528941A Active JP5426680B2 (ja)	2008-09-25	2009-09-25	信号処理方法及び装置

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
JP2011528942A Active JP5480274B2 (ja)	2008-09-25	2009-09-25	信号処理方法及び装置

Country Status (4)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
SE0202159D0 (sv)	2001-07-10	2002-07-09	Coding Technologies Sweden Ab	Efficientand scalable parametric stereo coding for low bitrate applications
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
KR100917845B1 (ko) *	2006-12-04	2009-09-18	한국전자통신연구원	상호상관을 이용한 다채널 오디오 신호 복호화 장치 및 그방법
EP2144229A1 (en) *	2008-07-11	2010-01-13	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Efficient use of phase information in audio encoding and decoding

2009
- 2009-09-24 KR KR1020090090516A patent/KR20100035121A/ko not_active Application Discontinuation
- 2009-09-24 KR KR1020090090518A patent/KR101108061B1/ko active IP Right Grant
- 2009-09-24 KR KR1020090090515A patent/KR101108060B1/ko active IP Right Grant
- 2009-09-25 JP JP2011528942A patent/JP5480274B2/ja active Active
- 2009-09-25 CN CN200980137978XA patent/CN102165520B/zh active Active
- 2009-09-25 JP JP2011528941A patent/JP5426680B2/ja active Active
- 2009-09-25 CN CN2009801378698A patent/CN102165519A/zh active Pending
- 2009-09-25 ES ES09012229.2T patent/ES2547232T3/es active Active

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
KR101108060B1 (ko)	2012-01-25
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

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