PL2984857T3 - Urządzenie i sposób skalowania sygnału środkowego i ulepszenie stereofoniczne na bazie stosunku sygnału-do-downmixu - Google Patents
Urządzenie i sposób skalowania sygnału środkowego i ulepszenie stereofoniczne na bazie stosunku sygnału-do-downmixuInfo
- Publication number
- PL2984857T3 PL2984857T3 PL14716549T PL14716549T PL2984857T3 PL 2984857 T3 PL2984857 T3 PL 2984857T3 PL 14716549 T PL14716549 T PL 14716549T PL 14716549 T PL14716549 T PL 14716549T PL 2984857 T3 PL2984857 T3 PL 2984857T3
- Authority
- PL
- Poland
- Prior art keywords
- signal
- enhancement based
- scaling
- center
- stereophonic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/307—Frequency adjustment, e.g. tone control
-
- 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
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
-
- 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
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- 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
- H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13163621 | 2013-04-12 | ||
| EP13182103.5A EP2790419A1 (en) | 2013-04-12 | 2013-08-28 | Apparatus and method for center signal scaling and stereophonic enhancement based on a signal-to-downmix ratio |
| EP14716549.2A EP2984857B1 (en) | 2013-04-12 | 2014-04-07 | Apparatus and method for center signal scaling and stereophonic enhancement based on a signal-to-downmix ratio |
| PCT/EP2014/056917 WO2014166863A1 (en) | 2013-04-12 | 2014-04-07 | Apparatus and method for center signal scaling and stereophonic enhancement based on a signal-to-downmix ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2984857T3 true PL2984857T3 (pl) | 2020-03-31 |
Family
ID=48087459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL14716549T PL2984857T3 (pl) | 2013-04-12 | 2014-04-07 | Urządzenie i sposób skalowania sygnału środkowego i ulepszenie stereofoniczne na bazie stosunku sygnału-do-downmixu |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US9743215B2 (pl) |
| EP (2) | EP2790419A1 (pl) |
| JP (1) | JP6280983B2 (pl) |
| KR (1) | KR101767330B1 (pl) |
| CN (1) | CN105284133B (pl) |
| BR (1) | BR112015025919B1 (pl) |
| CA (1) | CA2908794C (pl) |
| ES (1) | ES2755675T3 (pl) |
| MX (1) | MX347466B (pl) |
| PL (1) | PL2984857T3 (pl) |
| RU (1) | RU2663345C2 (pl) |
| WO (1) | WO2014166863A1 (pl) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106024005B (zh) * | 2016-07-01 | 2018-09-25 | 腾讯科技（深圳）有限公司 | 一种音频数据的处理方法及装置 |
| JP7008716B2 (ja) * | 2016-11-08 | 2022-01-25 | フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． | サイドゲインおよび残余ゲインを使用してマルチチャネル信号を符号化または復号するための装置および方法 |
| US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
| EP3550561A1 (en) * | 2018-04-06 | 2019-10-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downmixer, audio encoder, method and computer program applying a phase value to a magnitude value |
| CN117809663A (zh) | 2018-12-07 | 2024-04-02 | 弗劳恩霍夫应用研究促进协会 | 从包括至少两个声道的信号产生声场描述的装置、方法 |
| EP3671739A1 (en) * | 2018-12-21 | 2020-06-24 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Apparatus and method for source separation using an estimation and control of sound quality |
| MX2021010570A (es) | 2019-03-06 | 2021-10-13 | Fraunhofer Ges Forschung | Mezcladora para reducir el numero de canales de audio y metodo de mezclado para reducir el numero de canales de audio. |
| CN113259283B (zh) * | 2021-05-13 | 2022-08-26 | 侯小琪 | 一种基于循环神经网络的单通道时频混叠信号盲分离方法 |
| CN113889125B (zh) * | 2021-12-02 | 2022-03-04 | 腾讯科技（深圳）有限公司 | 音频生成方法、装置、计算机设备和存储介质 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7630500B1 (en) | 1994-04-15 | 2009-12-08 | Bose Corporation | Spatial disassembly processor |
| US8214221B2 (en) * | 2005-06-30 | 2012-07-03 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal and identifying information included in the audio signal |
| EP2038878B1 (en) * | 2006-07-07 | 2012-01-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for combining multiple parametrically coded audio sources |
| US8036767B2 (en) | 2006-09-20 | 2011-10-11 | Harman International Industries, Incorporated | System for extracting and changing the reverberant content of an audio input signal |
| JP4327886B1 (ja) * | 2008-05-30 | 2009-09-09 | 株式会社東芝 | 音質補正装置、音質補正方法及び音質補正用プログラム |
| WO2010036059A2 (en) * | 2008-09-25 | 2010-04-01 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
| KR101108061B1 (ko) * | 2008-09-25 | 2012-01-25 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치 |
| US8705769B2 (en) * | 2009-05-20 | 2014-04-22 | Stmicroelectronics, Inc. | Two-to-three channel upmix for center channel derivation |
| TWI433137B (zh) * | 2009-09-10 | 2014-04-01 | Dolby Int Ab | 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法 |
| EP2464145A1 (en) * | 2010-12-10 | 2012-06-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decomposing an input signal using a downmixer |
| 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 |
-
2013
- 2013-08-28 EP EP13182103.5A patent/EP2790419A1/en not_active Withdrawn
-
2014
- 2014-04-07 CA CA2908794A patent/CA2908794C/en active Active
- 2014-04-07 JP JP2016506865A patent/JP6280983B2/ja active Active
- 2014-04-07 BR BR112015025919-7A patent/BR112015025919B1/pt active IP Right Grant
- 2014-04-07 EP EP14716549.2A patent/EP2984857B1/en active Active
- 2014-04-07 KR KR1020157032365A patent/KR101767330B1/ko active Active
- 2014-04-07 PL PL14716549T patent/PL2984857T3/pl unknown
- 2014-04-07 WO PCT/EP2014/056917 patent/WO2014166863A1/en not_active Ceased
- 2014-04-07 CN CN201480033313.5A patent/CN105284133B/zh active Active
- 2014-04-07 RU RU2015148317A patent/RU2663345C2/ru active
- 2014-04-07 ES ES14716549T patent/ES2755675T3/es active Active
- 2014-04-07 MX MX2015014189A patent/MX347466B/es active IP Right Grant
-
2015
- 2015-10-09 US US14/880,065 patent/US9743215B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR101767330B1 (ko) | 2017-08-23 |
| CN105284133A (zh) | 2016-01-27 |
| EP2984857A1 (en) | 2016-02-17 |
| MX347466B (es) | 2017-04-26 |
| CA2908794A1 (en) | 2014-10-16 |
| KR20150143669A (ko) | 2015-12-23 |
| US20160037283A1 (en) | 2016-02-04 |
| BR112015025919A2 (pt) | 2017-07-25 |
| CN105284133B (zh) | 2017-08-25 |
| EP2790419A1 (en) | 2014-10-15 |
| ES2755675T3 (es) | 2020-04-23 |
| RU2015148317A (ru) | 2017-05-18 |
| MX2015014189A (es) | 2015-12-11 |
| BR112015025919B1 (pt) | 2022-03-15 |
| JP6280983B2 (ja) | 2018-02-14 |
| CA2908794C (en) | 2019-08-20 |
| US9743215B2 (en) | 2017-08-22 |
| JP2016518621A (ja) | 2016-06-23 |
| EP2984857B1 (en) | 2019-09-11 |
| RU2663345C2 (ru) | 2018-08-03 |
| WO2014166863A1 (en) | 2014-10-16 |
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