KR102114440B1 - 일정-파워 페어와이즈 패닝을 갖는 매트릭스 디코더 - Google Patents
일정-파워 페어와이즈 패닝을 갖는 매트릭스 디코더 Download PDFInfo
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- KR102114440B1 KR102114440B1 KR1020167005572A KR20167005572A KR102114440B1 KR 102114440 B1 KR102114440 B1 KR 102114440B1 KR 1020167005572 A KR1020167005572 A KR 1020167005572A KR 20167005572 A KR20167005572 A KR 20167005572A KR 102114440 B1 KR102114440 B1 KR 102114440B1
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- 238000004091 panning Methods 0.000 title claims abstract description 148
- 239000011159 matrix material Substances 0.000 title description 9
- 238000000034 method Methods 0.000 claims abstract description 109
- 230000005236 sound signal Effects 0.000 claims description 46
- 238000012545 processing Methods 0.000 claims description 21
- 230000006399 behavior Effects 0.000 description 39
- 230000006870 function Effects 0.000 description 28
- 239000000203 mixture Substances 0.000 description 26
- 210000005069 ears Anatomy 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 238000004891 communication Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000004422 calculation algorithm Methods 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000009795 derivation Methods 0.000 description 3
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- 238000009825 accumulation Methods 0.000 description 1
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- 238000004590 computer program Methods 0.000 description 1
- 238000002716 delivery method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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Images
Classifications
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
- H04R2227/003—Digital PA systems using, e.g. LAN or internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/07—Generation or adaptation of the Low Frequency Effect [LFE] channel, e.g. distribution or signal processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361860024P | 2013-07-30 | 2013-07-30 | |
| US61/860,024 | 2013-07-30 | ||
| US14/447,516 US9338573B2 (en) | 2013-07-30 | 2014-07-30 | Matrix decoder with constant-power pairwise panning |
| PCT/US2014/048975 WO2015017584A1 (en) | 2013-07-30 | 2014-07-30 | Matrix decoder with constant-power pairwise panning |
| US14/447,516 | 2014-07-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20160039674A KR20160039674A (ko) | 2016-04-11 |
| KR102114440B1 true KR102114440B1 (ko) | 2020-05-22 |
Family
ID=52427693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020167005572A Active KR102114440B1 (ko) | 2013-07-30 | 2014-07-30 | 일정-파워 페어와이즈 패닝을 갖는 매트릭스 디코더 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US9338573B2 (enExample) |
| EP (2) | EP3429233B1 (enExample) |
| JP (1) | JP6543627B2 (enExample) |
| KR (1) | KR102114440B1 (enExample) |
| CN (1) | CN105594227B (enExample) |
| PL (2) | PL3028474T3 (enExample) |
| WO (1) | WO2015017584A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170289724A1 (en) * | 2014-09-12 | 2017-10-05 | Dolby Laboratories Licensing Corporation | Rendering audio objects in a reproduction environment that includes surround and/or height speakers |
| 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 |
| US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
| JP6905411B2 (ja) * | 2017-08-07 | 2021-07-21 | 日本放送協会 | チャンネル数変換装置及びプログラム |
| JP7024794B2 (ja) * | 2017-09-06 | 2022-02-24 | ヤマハ株式会社 | オーディオシステム、オーディオ機器、及びオーディオ機器の制御方法 |
| TWI719429B (zh) * | 2019-03-19 | 2021-02-21 | 瑞昱半導體股份有限公司 | 音訊處理方法與音訊處理系統 |
| KR102712458B1 (ko) | 2019-12-09 | 2024-10-04 | 삼성전자주식회사 | 오디오 출력 장치 및 오디오 출력 장치의 제어 방법 |
| WO2021252795A2 (en) | 2020-06-11 | 2021-12-16 | Dolby Laboratories Licensing Corporation | Perceptual optimization of magnitude and phase for time-frequency and softmask source separation systems |
| CN116708917A (zh) * | 2022-02-25 | 2023-09-05 | 北京字跳网络技术有限公司 | 视频处理方法、装置、设备及介质 |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5291557A (en) | 1992-10-13 | 1994-03-01 | Dolby Laboratories Licensing Corporation | Adaptive rematrixing of matrixed audio signals |
| US5319713A (en) | 1992-11-12 | 1994-06-07 | Rocktron Corporation | Multi dimensional sound circuit |
| US5638452A (en) | 1995-04-21 | 1997-06-10 | Rocktron Corporation | Expandable multi-dimensional sound circuit |
| US5771295A (en) | 1995-12-26 | 1998-06-23 | Rocktron Corporation | 5-2-5 matrix system |
| US5870480A (en) | 1996-07-19 | 1999-02-09 | Lexicon | Multichannel active matrix encoder and decoder with maximum lateral separation |
| US6665407B1 (en) | 1998-09-28 | 2003-12-16 | Creative Technology Ltd. | Three channel panning system |
| US6507658B1 (en) | 1999-01-27 | 2003-01-14 | Kind Of Loud Technologies, Llc | Surround sound panner |
| US7003467B1 (en) | 2000-10-06 | 2006-02-21 | Digital Theater Systems, Inc. | Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio |
| DE60311794T2 (de) | 2002-04-22 | 2007-10-31 | Koninklijke Philips Electronics N.V. | Signalsynthese |
| US7039204B2 (en) | 2002-06-24 | 2006-05-02 | Agere Systems Inc. | Equalization for audio mixing |
| US20050052457A1 (en) | 2003-02-27 | 2005-03-10 | Neil Muncy | Apparatus for generating and displaying images for determining the quality of audio reproduction |
| US7283684B1 (en) | 2003-05-20 | 2007-10-16 | Sandia Corporation | Spectral compression algorithms for the analysis of very large multivariate images |
| TWI224470B (en) | 2003-09-05 | 2004-11-21 | Realtek Semiconductor Corp | Adjustment method of saturation degree |
| US7545412B2 (en) * | 2003-09-09 | 2009-06-09 | Konica Minolta Holdings, Inc. | Image-sensing apparatus with a solid-state image sensor switchable between linear and logarithmic conversion |
| US7391870B2 (en) | 2004-07-09 | 2008-06-24 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V | Apparatus and method for generating a multi-channel output signal |
| US7356152B2 (en) * | 2004-08-23 | 2008-04-08 | Dolby Laboratories Licensing Corporation | Method for expanding an audio mix to fill all available output channels |
| US7283634B2 (en) | 2004-08-31 | 2007-10-16 | Dts, Inc. | Method of mixing audio channels using correlated outputs |
| US7787631B2 (en) * | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
| ES2433316T3 (es) * | 2005-07-19 | 2013-12-10 | Koninklijke Philips N.V. | Generación de señales de audio de multiples canales |
| US8345899B2 (en) * | 2006-05-17 | 2013-01-01 | Creative Technology Ltd | Phase-amplitude matrixed surround decoder |
| US8385556B1 (en) | 2007-08-17 | 2013-02-26 | Dts, Inc. | Parametric stereo conversion system and method |
| GB2467247B (en) * | 2007-10-04 | 2012-02-29 | Creative Tech Ltd | Phase-amplitude 3-D stereo encoder and decoder |
| ES2435792T3 (es) | 2008-12-15 | 2013-12-23 | Orange | Codificación perfeccionada de señales digitales de audio multicanal |
| WO2010097748A1 (en) * | 2009-02-27 | 2010-09-02 | Koninklijke Philips Electronics N.V. | Parametric stereo encoding and decoding |
| KR101710113B1 (ko) * | 2009-10-23 | 2017-02-27 | 삼성전자주식회사 | 위상 정보와 잔여 신호를 이용한 부호화/복호화 장치 및 방법 |
| WO2011104146A1 (en) | 2010-02-24 | 2011-09-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for generating an enhanced downmix signal, method for generating an enhanced downmix signal and computer program |
| JP5802753B2 (ja) * | 2010-09-06 | 2015-11-04 | ドルビー・インターナショナル・アクチボラゲットDolby International Ab | マルチチャンネルオーディオ再生のためのアップミキシング方法及びシステム |
| TWI853425B (zh) | 2011-07-01 | 2024-08-21 | 美商杜比實驗室特許公司 | 用於適應性音頻信號的產生、譯碼與呈現之系統與方法 |
| JP6082160B2 (ja) | 2013-03-28 | 2017-02-15 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 任意n角形のメッシュとして編成されたスピーカーを用いたオーディオレンダリング |
-
2014
- 2014-07-30 WO PCT/US2014/048975 patent/WO2015017584A1/en not_active Ceased
- 2014-07-30 PL PL14832121T patent/PL3028474T3/pl unknown
- 2014-07-30 EP EP18191388.0A patent/EP3429233B1/en active Active
- 2014-07-30 US US14/447,516 patent/US9338573B2/en active Active
- 2014-07-30 JP JP2016531872A patent/JP6543627B2/ja active Active
- 2014-07-30 CN CN201480050917.0A patent/CN105594227B/zh active Active
- 2014-07-30 PL PL18191388T patent/PL3429233T3/pl unknown
- 2014-07-30 EP EP14832121.9A patent/EP3028474B1/en active Active
- 2014-07-30 KR KR1020167005572A patent/KR102114440B1/ko active Active
-
2016
- 2016-05-09 US US15/149,458 patent/US10075797B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015017584A1 (en) | 2015-02-05 |
| EP3028474A4 (en) | 2017-07-05 |
| PL3028474T3 (pl) | 2019-06-28 |
| EP3028474B1 (en) | 2018-12-19 |
| US20170366910A1 (en) | 2017-12-21 |
| US9338573B2 (en) | 2016-05-10 |
| US20150036849A1 (en) | 2015-02-05 |
| EP3028474A1 (en) | 2016-06-08 |
| CN105594227B (zh) | 2018-01-12 |
| HK1218596A1 (zh) | 2017-02-24 |
| PL3429233T3 (pl) | 2020-11-16 |
| CN105594227A (zh) | 2016-05-18 |
| JP2016529801A (ja) | 2016-09-23 |
| EP3429233B1 (en) | 2019-12-18 |
| EP3429233A1 (en) | 2019-01-16 |
| US10075797B2 (en) | 2018-09-11 |
| KR20160039674A (ko) | 2016-04-11 |
| JP6543627B2 (ja) | 2019-07-10 |
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Legal Events
| Date | Code | Title | Description |
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| PA0105 | International application |
Patent event date: 20160229 Patent event code: PA01051R01D Comment text: International Patent Application |
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| PG1501 | Laying open of application | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20180823 Comment text: Request for Examination of Application |
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Comment text: Notification of reason for refusal Patent event date: 20190628 Patent event code: PE09021S01D |
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| E701 | Decision to grant or registration of patent right | ||
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20200218 |
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| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20200518 Patent event code: PR07011E01D |
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| PR1002 | Payment of registration fee |
Payment date: 20200519 End annual number: 3 Start annual number: 1 |
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