PL3429233T3 - Dekoder matrycowy z panoramowaniem parami o stałej mocy - Google Patents
Dekoder matrycowy z panoramowaniem parami o stałej mocyInfo
- Publication number
- PL3429233T3 PL3429233T3 PL18191388T PL18191388T PL3429233T3 PL 3429233 T3 PL3429233 T3 PL 3429233T3 PL 18191388 T PL18191388 T PL 18191388T PL 18191388 T PL18191388 T PL 18191388T PL 3429233 T3 PL3429233 T3 PL 3429233T3
- 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 (4)
| 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 |
| EP18191388.0A EP3429233B1 (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 |
|---|---|
| PL3429233T3 true PL3429233T3 (pl) | 2020-11-16 |
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 Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL14832121T PL3028474T3 (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 |
| EP3681177B1 (en) * | 2017-09-06 | 2025-01-22 | Yamaha Corporation | Audio system, audio device, and method for controlling audio device |
| 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 |
| US12382234B2 (en) | 2020-06-11 | 2025-08-05 | 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 |
| EP1500082B1 (en) | 2002-04-22 | 2007-02-14 | Koninklijke Philips Electronics N.V. | Signal synthesizing |
| 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 |
| BRPI0613734B1 (pt) * | 2005-07-19 | 2019-10-22 | Agere Systems | decodificador, método e receptor para gerar um sinal de áudio de multi-canais, unidade legível por computador, sistema de transmissão, método para transmitir e receber um sinal de áudio, e, dispositivo de reprodução de áudio |
| 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 |
| WO2009046460A2 (en) * | 2007-10-04 | 2009-04-09 | Creative Technology 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 |
| CN103210668B (zh) * | 2010-09-06 | 2016-05-04 | 杜比国际公司 | 用于多通道音频再生的向上混合方法及系统 |
| EP2727383B1 (en) | 2011-07-01 | 2021-04-28 | Dolby Laboratories Licensing Corporation | System and method for adaptive audio signal generation, coding and rendering |
| WO2014160576A2 (en) | 2013-03-28 | 2014-10-02 | Dolby Laboratories Licensing Corporation | Rendering audio using speakers organized as a mesh of arbitrary n-gons |
-
2014
- 2014-07-30 JP JP2016531872A patent/JP6543627B2/ja active Active
- 2014-07-30 EP EP14832121.9A patent/EP3028474B1/en 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 KR KR1020167005572A patent/KR102114440B1/ko active Active
- 2014-07-30 PL PL14832121T patent/PL3028474T3/pl unknown
- 2014-07-30 WO PCT/US2014/048975 patent/WO2015017584A1/en not_active Ceased
- 2014-07-30 PL PL18191388T patent/PL3429233T3/pl unknown
- 2014-07-30 US US14/447,516 patent/US9338573B2/en active Active
-
2016
- 2016-05-09 US US15/149,458 patent/US10075797B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR20160039674A (ko) | 2016-04-11 |
| HK1218596A1 (zh) | 2017-02-24 |
| JP6543627B2 (ja) | 2019-07-10 |
| WO2015017584A1 (en) | 2015-02-05 |
| EP3028474A1 (en) | 2016-06-08 |
| US20170366910A1 (en) | 2017-12-21 |
| PL3028474T3 (pl) | 2019-06-28 |
| JP2016529801A (ja) | 2016-09-23 |
| CN105594227A (zh) | 2016-05-18 |
| KR102114440B1 (ko) | 2020-05-22 |
| EP3028474B1 (en) | 2018-12-19 |
| EP3028474A4 (en) | 2017-07-05 |
| US10075797B2 (en) | 2018-09-11 |
| US9338573B2 (en) | 2016-05-10 |
| EP3429233A1 (en) | 2019-01-16 |
| CN105594227B (zh) | 2018-01-12 |
| EP3429233B1 (en) | 2019-12-18 |
| US20150036849A1 (en) | 2015-02-05 |
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