JP5426680B2 - 信号処理方法及び装置 - Google Patents
信号処理方法及び装置 Download PDFInfo
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- JP5426680B2 JP5426680B2 JP2011528941A JP2011528941A JP5426680B2 JP 5426680 B2 JP5426680 B2 JP 5426680B2 JP 2011528941 A JP2011528941 A JP 2011528941A JP 2011528941 A JP2011528941 A JP 2011528941A JP 5426680 B2 JP5426680 B2 JP 5426680B2
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- 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
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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
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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
- G10L19/02—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
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- 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
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- 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)
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)
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)
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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