ES2922373T3 - Realce de señales de audio espacial por decorrelación modulada - Google Patents
Realce de señales de audio espacial por decorrelación modulada Download PDFInfo
- Publication number
- ES2922373T3 ES2922373T3 ES19172220T ES19172220T ES2922373T3 ES 2922373 T3 ES2922373 T3 ES 2922373T3 ES 19172220 T ES19172220 T ES 19172220T ES 19172220 T ES19172220 T ES 19172220T ES 2922373 T3 ES2922373 T3 ES 2922373T3
- Authority
- ES
- Spain
- Prior art keywords
- channels
- audio
- output
- decorrelation
- sound field
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005236 sound signal Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 91
- 230000008569 process Effects 0.000 claims abstract description 48
- 230000010363 phase shift Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 5
- 238000004590 computer program Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 description 46
- 239000013598 vector Substances 0.000 description 17
- 239000011159 matrix material Substances 0.000 description 9
- 238000004091 panning Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 101100457838 Caenorhabditis elegans mod-1 gene Proteins 0.000 description 3
- 101150110972 ME1 gene Proteins 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 101100042630 Caenorhabditis elegans sin-3 gene Proteins 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- 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
- H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562127613P | 2015-03-03 | 2015-03-03 | |
| US201662298905P | 2016-02-23 | 2016-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2922373T3 true ES2922373T3 (es) | 2022-09-14 |
Family
ID=55854783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES19172220T Active ES2922373T3 (es) | 2015-03-03 | 2016-03-02 | Realce de señales de audio espacial por decorrelación modulada |
Country Status (6)
| Country | Link |
|---|---|
| US (5) | US10210872B2 (https=) |
| EP (3) | EP3266021B1 (https=) |
| JP (3) | JP6576458B2 (https=) |
| CN (2) | CN107430861B (https=) |
| ES (1) | ES2922373T3 (https=) |
| WO (1) | WO2016141023A1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3266021B1 (en) | 2015-03-03 | 2019-05-08 | Dolby Laboratories Licensing Corporation | Enhancement of spatial audio signals by modulated decorrelation |
| US10334387B2 (en) | 2015-06-25 | 2019-06-25 | Dolby Laboratories Licensing Corporation | Audio panning transformation system and method |
| US10015618B1 (en) * | 2017-08-01 | 2018-07-03 | Google Llc | Incoherent idempotent ambisonics rendering |
| IL319278A (en) * | 2018-07-02 | 2025-04-01 | Dolby Laboratories Licensing Corp | Methods and devices for generating or decoding a bit sequence comprising embedded audio signals |
| WO2021098957A1 (en) * | 2019-11-20 | 2021-05-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio object renderer, methods for determining loudspeaker gains and computer program using panned object loudspeaker gains and spread object loudspeaker gains |
| GB2630112A (en) * | 2023-05-17 | 2024-11-20 | Sony Interactive Entertainment Europe Ltd | A method for decorrelating a set of simulated audio signals |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11275696A (ja) * | 1998-01-22 | 1999-10-08 | Sony Corp | ヘッドホン、ヘッドホンアダプタおよびヘッドホン装置 |
| WO2002078388A2 (en) * | 2001-03-27 | 2002-10-03 | 1... Limited | Method and apparatus to create a sound field |
| US8363865B1 (en) | 2004-05-24 | 2013-01-29 | Heather Bottum | Multiple channel sound system using multi-speaker arrays |
| ES2333137T3 (es) * | 2004-07-14 | 2010-02-17 | Koninklijke Philips Electronics N.V. | Conversion de canal de audio. |
| DE102005010057A1 (de) * | 2005-03-04 | 2006-09-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms |
| US8160888B2 (en) * | 2005-07-19 | 2012-04-17 | Koninklijke Philips Electronics N.V | Generation of multi-channel audio signals |
| EP1927265A2 (en) * | 2005-09-13 | 2008-06-04 | Koninklijke Philips Electronics N.V. | A method of and a device for generating 3d sound |
| US8515468B2 (en) | 2005-09-21 | 2013-08-20 | Buckyball Mobile Inc | Calculation of higher-order data from context data |
| US8073703B2 (en) | 2005-10-07 | 2011-12-06 | Panasonic Corporation | Acoustic signal processing apparatus and acoustic signal processing method |
| WO2007118583A1 (en) * | 2006-04-13 | 2007-10-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal decorrelator |
| US9015051B2 (en) * | 2007-03-21 | 2015-04-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Reconstruction of audio channels with direction parameters indicating direction of origin |
| CA2730198C (en) * | 2008-07-11 | 2014-09-16 | Frederik Nagel | Audio signal synthesizer and audio signal encoder |
| TWI444989B (zh) | 2010-01-22 | 2014-07-11 | Dolby Lab Licensing Corp | 針對改良多通道上混使用多通道解相關之技術 |
| EP2560161A1 (en) * | 2011-08-17 | 2013-02-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Optimal mixing matrices and usage of decorrelators in spatial audio processing |
| CN103165136A (zh) * | 2011-12-15 | 2013-06-19 | 杜比实验室特许公司 | 音频处理方法及音频处理设备 |
| EP2830336A3 (en) * | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Renderer controlled spatial upmix |
| EP2830334A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
| EP3028273B1 (en) * | 2013-07-31 | 2019-09-11 | Dolby Laboratories Licensing Corporation | Processing spatially diffuse or large audio objects |
| EP2980789A1 (en) * | 2014-07-30 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for enhancing an audio signal, sound enhancing system |
| EP3266021B1 (en) | 2015-03-03 | 2019-05-08 | Dolby Laboratories Licensing Corporation | Enhancement of spatial audio signals by modulated decorrelation |
-
2016
- 2016-03-02 EP EP16718934.9A patent/EP3266021B1/en active Active
- 2016-03-02 EP EP22170424.0A patent/EP4123643B1/en active Active
- 2016-03-02 CN CN201680011460.1A patent/CN107430861B/zh active Active
- 2016-03-02 WO PCT/US2016/020380 patent/WO2016141023A1/en not_active Ceased
- 2016-03-02 ES ES19172220T patent/ES2922373T3/es active Active
- 2016-03-02 CN CN202010914886.6A patent/CN112002337B/zh active Active
- 2016-03-02 JP JP2017542860A patent/JP6576458B2/ja active Active
- 2016-03-02 US US15/546,258 patent/US10210872B2/en active Active
- 2016-03-02 EP EP19172220.6A patent/EP3611727B1/en active Active
-
2019
- 2019-02-14 US US16/276,397 patent/US10593338B2/en active Active
- 2019-08-20 JP JP2019150274A patent/JP6926159B2/ja active Active
-
2020
- 2020-03-11 US US16/816,189 patent/US11081119B2/en active Active
-
2021
- 2021-08-02 US US17/392,172 patent/US11562750B2/en active Active
- 2021-08-04 JP JP2021128119A patent/JP7321218B2/ja active Active
-
2023
- 2023-01-23 US US18/158,032 patent/US20230230600A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20180018977A1 (en) | 2018-01-18 |
| JP2020005278A (ja) | 2020-01-09 |
| CN112002337B (zh) | 2024-08-09 |
| US10593338B2 (en) | 2020-03-17 |
| WO2016141023A1 (en) | 2016-09-09 |
| EP3611727A1 (en) | 2020-02-19 |
| CN107430861B (zh) | 2020-10-16 |
| JP2021177668A (ja) | 2021-11-11 |
| EP4123643A1 (en) | 2023-01-25 |
| CN107430861A (zh) | 2017-12-01 |
| EP3266021A1 (en) | 2018-01-10 |
| EP4123643B1 (en) | 2024-06-19 |
| JP7321218B2 (ja) | 2023-08-04 |
| US20190180760A1 (en) | 2019-06-13 |
| JP6576458B2 (ja) | 2019-09-18 |
| EP3266021B1 (en) | 2019-05-08 |
| EP3611727B1 (en) | 2022-05-04 |
| US20230230600A1 (en) | 2023-07-20 |
| CN112002337A (zh) | 2020-11-27 |
| JP6926159B2 (ja) | 2021-08-25 |
| US20200273469A1 (en) | 2020-08-27 |
| JP2018511213A (ja) | 2018-04-19 |
| US11081119B2 (en) | 2021-08-03 |
| US11562750B2 (en) | 2023-01-24 |
| US20220028400A1 (en) | 2022-01-27 |
| US10210872B2 (en) | 2019-02-19 |
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