PL3028474T3 - Dekoder matrycowy z panoramowaniem parami o stałej mocy - Google Patents
Dekoder matrycowy z panoramowaniem parami o stałej mocyInfo
- Publication number
- PL3028474T3 PL3028474T3 PL14832121T PL14832121T PL3028474T3 PL 3028474 T3 PL3028474 T3 PL 3028474T3 PL 14832121 T PL14832121 T PL 14832121T PL 14832121 T PL14832121 T PL 14832121T PL 3028474 T3 PL3028474 T3 PL 3028474T3
- Authority
- PL
- Poland
- Prior art keywords
- constant
- matrix decoder
- pairwise panning
- power pairwise
- power
- Prior art date
Links
- 239000011159 matrix material Substances 0.000 title 1
- 238000004091 panning Methods 0.000 title 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361860024P | 2013-07-30 | 2013-07-30 | |
| PCT/US2014/048975 WO2015017584A1 (en) | 2013-07-30 | 2014-07-30 | Matrix decoder with constant-power pairwise panning |
| EP14832121.9A EP3028474B1 (en) | 2013-07-30 | 2014-07-30 | Matrix decoder with constant-power pairwise panning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3028474T3 true PL3028474T3 (pl) | 2019-06-28 |
Family
ID=52427693
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL14832121T PL3028474T3 (pl) | 2013-07-30 | 2014-07-30 | Dekoder matrycowy z panoramowaniem parami o stałej mocy |
| PL18191388T PL3429233T3 (pl) | 2013-07-30 | 2014-07-30 | Dekoder matrycowy z panoramowaniem parami o stałej mocy |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL18191388T PL3429233T3 (pl) | 2013-07-30 | 2014-07-30 | Dekoder matrycowy z panoramowaniem parami o stałej mocy |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US9338573B2 (enExample) |
| EP (2) | EP3028474B1 (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 |
|---|---|---|---|---|
| EP3192282A1 (en) * | 2014-09-12 | 2017-07-19 | Dolby Laboratories Licensing Corp. | 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 |
| WO2019049245A1 (ja) * | 2017-09-06 | 2019-03-14 | 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 |
| DE60311794C5 (de) | 2002-04-22 | 2022-11-10 | Koninklijke Philips 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 |
| US8160888B2 (en) * | 2005-07-19 | 2012-04-17 | Koninklijke Philips Electronics N.V | Generation of multi-channel audio signals |
| 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 |
| CN101889307B (zh) * | 2007-10-04 | 2013-01-23 | 创新科技有限公司 | 相位-幅度3d立体声编码器和解码器 |
| 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 |
| MX2012009785A (es) | 2010-02-24 | 2012-11-23 | Fraunhofer Ges Forschung | Aparato para generar señal de mezcla descendente mejorada, metodo para generar señal de mezcla descendente mejorada y programa de computadora. |
| WO2012031605A1 (en) * | 2010-09-06 | 2012-03-15 | Fundacio Barcelona Media Universitat Pompeu Fabra | Upmixing method and system for multichannel audio reproduction |
| KR102817211B1 (ko) | 2011-07-01 | 2025-06-10 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 적응형 오디오 신호 생성， 코딩 및 렌더링을 위한 시스템 및 방법 |
| 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 PL PL14832121T patent/PL3028474T3/pl unknown
- 2014-07-30 KR KR1020167005572A patent/KR102114440B1/ko active Active
- 2014-07-30 US US14/447,516 patent/US9338573B2/en active Active
- 2014-07-30 EP EP14832121.9A patent/EP3028474B1/en active Active
- 2014-07-30 PL PL18191388T patent/PL3429233T3/pl unknown
- 2014-07-30 JP JP2016531872A patent/JP6543627B2/ja active Active
- 2014-07-30 EP EP18191388.0A patent/EP3429233B1/en active Active
- 2014-07-30 CN CN201480050917.0A patent/CN105594227B/zh active Active
- 2014-07-30 WO PCT/US2014/048975 patent/WO2015017584A1/en not_active Ceased
-
2016
- 2016-05-09 US US15/149,458 patent/US10075797B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US9338573B2 (en) | 2016-05-10 |
| EP3429233B1 (en) | 2019-12-18 |
| JP2016529801A (ja) | 2016-09-23 |
| US20150036849A1 (en) | 2015-02-05 |
| CN105594227A (zh) | 2016-05-18 |
| EP3028474A4 (en) | 2017-07-05 |
| EP3028474A1 (en) | 2016-06-08 |
| HK1218596A1 (zh) | 2017-02-24 |
| PL3429233T3 (pl) | 2020-11-16 |
| EP3028474B1 (en) | 2018-12-19 |
| US10075797B2 (en) | 2018-09-11 |
| US20170366910A1 (en) | 2017-12-21 |
| KR102114440B1 (ko) | 2020-05-22 |
| CN105594227B (zh) | 2018-01-12 |
| KR20160039674A (ko) | 2016-04-11 |
| EP3429233A1 (en) | 2019-01-16 |
| WO2015017584A1 (en) | 2015-02-05 |
| JP6543627B2 (ja) | 2019-07-10 |
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