CA2950014C - Obtaining symmetry information for higher order ambisonic audio renderers - Google Patents
Obtaining symmetry information for higher order ambisonic audio renderers Download PDFInfo
- Publication number
- CA2950014C CA2950014C CA2950014A CA2950014A CA2950014C CA 2950014 C CA2950014 C CA 2950014C CA 2950014 A CA2950014 A CA 2950014A CA 2950014 A CA2950014 A CA 2950014A CA 2950014 C CA2950014 C CA 2950014C
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Classifications
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- 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
-
- 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
- H04S3/02—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
-
- 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
- G10L19/04—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 using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/11—Application of ambisonics in stereophonic audio systems
-
- 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
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Multimedia (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462005829P | 2014-05-30 | 2014-05-30 | |
| US62/005,829 | 2014-05-30 | ||
| US201462023662P | 2014-07-11 | 2014-07-11 | |
| US62/023,662 | 2014-07-11 | ||
| US14/724,615 | 2015-05-28 | ||
| US14/724,615 US9883310B2 (en) | 2013-02-08 | 2015-05-28 | Obtaining symmetry information for higher order ambisonic audio renderers |
| PCT/US2015/033273 WO2015184316A1 (en) | 2014-05-30 | 2015-05-29 | Obtaining symmetry information for higher order ambisonic audio renderers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2950014A1 CA2950014A1 (en) | 2015-12-03 |
| CA2950014C true CA2950014C (en) | 2019-12-03 |
Family
ID=53366342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2950014A Active CA2950014C (en) | 2014-05-30 | 2015-05-29 | Obtaining symmetry information for higher order ambisonic audio renderers |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP3149972B1 (de) |
| JP (1) | JP6423009B2 (de) |
| KR (1) | KR101941764B1 (de) |
| CN (1) | CN106465029B (de) |
| BR (1) | BR112016028212B1 (de) |
| CA (1) | CA2950014C (de) |
| ES (1) | ES2696930T3 (de) |
| HU (1) | HUE039048T2 (de) |
| WO (1) | WO2015184316A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10015618B1 (en) * | 2017-08-01 | 2018-07-03 | Google Llc | Incoherent idempotent ambisonics rendering |
| IL307898A (en) | 2018-07-02 | 2023-12-01 | Dolby Laboratories Licensing Corp | Methods and devices for encoding and/or decoding embedded audio signals |
| CN110099351B (zh) * | 2019-04-01 | 2020-11-03 | 中车青岛四方机车车辆股份有限公司 | 一种声场回放方法、装置和系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2486561B1 (de) * | 2009-10-07 | 2016-03-30 | The University Of Sydney | Rekonstruktion eines aufgezeichneten schallfelds |
| CN104584588B (zh) * | 2012-07-16 | 2017-03-29 | 杜比国际公司 | 用于渲染音频声场表示以供音频回放的方法和设备 |
| US10499176B2 (en) | 2013-05-29 | 2019-12-03 | Qualcomm Incorporated | Identifying codebooks to use when coding spatial components of a sound field |
-
2015
- 2015-05-29 WO PCT/US2015/033273 patent/WO2015184316A1/en active Application Filing
- 2015-05-29 CN CN201580029278.4A patent/CN106465029B/zh active Active
- 2015-05-29 EP EP15727844.1A patent/EP3149972B1/de active Active
- 2015-05-29 HU HUE15727844A patent/HUE039048T2/hu unknown
- 2015-05-29 BR BR112016028212-4A patent/BR112016028212B1/pt active IP Right Grant
- 2015-05-29 CA CA2950014A patent/CA2950014C/en active Active
- 2015-05-29 KR KR1020167033118A patent/KR101941764B1/ko active IP Right Grant
- 2015-05-29 JP JP2016569921A patent/JP6423009B2/ja active Active
- 2015-05-29 ES ES15727844T patent/ES2696930T3/es active Active
Also Published As
| Publication number | Publication date |
|---|---|
| BR112016028212A2 (pt) | 2017-08-22 |
| CN106465029A (zh) | 2017-02-22 |
| JP6423009B2 (ja) | 2018-11-14 |
| EP3149972A1 (de) | 2017-04-05 |
| CN106465029B (zh) | 2018-05-08 |
| CA2950014A1 (en) | 2015-12-03 |
| KR101941764B1 (ko) | 2019-01-23 |
| JP2017520174A (ja) | 2017-07-20 |
| BR112016028212B1 (pt) | 2022-08-23 |
| HUE039048T2 (hu) | 2018-12-28 |
| KR20170015898A (ko) | 2017-02-10 |
| WO2015184316A1 (en) | 2015-12-03 |
| EP3149972B1 (de) | 2018-08-15 |
| ES2696930T3 (es) | 2019-01-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20180808 |