JP6423009B2 - 高次アンビソニックオーディオレンダラのためのシンメトリ情報を取得すること - Google Patents
高次アンビソニックオーディオレンダラのためのシンメトリ情報を取得すること Download PDFInfo
- Publication number
- JP6423009B2 JP6423009B2 JP2016569921A JP2016569921A JP6423009B2 JP 6423009 B2 JP6423009 B2 JP 6423009B2 JP 2016569921 A JP2016569921 A JP 2016569921A JP 2016569921 A JP2016569921 A JP 2016569921A JP 6423009 B2 JP6423009 B2 JP 6423009B2
- Authority
- JP
- Japan
- Prior art keywords
- audio
- matrix
- bitstream
- information
- rendering
- 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
- 239000011159 matrix material Substances 0.000 claims description 252
- 238000009877 rendering Methods 0.000 claims description 196
- 238000000034 method Methods 0.000 claims description 125
- 239000013598 vector Substances 0.000 description 178
- 230000007613 environmental effect Effects 0.000 description 62
- 230000006835 compression Effects 0.000 description 50
- 238000007906 compression Methods 0.000 description 50
- 238000000605 extraction Methods 0.000 description 48
- 238000013139 quantization Methods 0.000 description 38
- 238000004422 calculation algorithm Methods 0.000 description 36
- 230000006870 function Effects 0.000 description 32
- 238000004458 analytical method Methods 0.000 description 27
- 238000000354 decomposition reaction Methods 0.000 description 25
- 238000012937 correction Methods 0.000 description 21
- 238000003860 storage Methods 0.000 description 19
- 230000009467 reduction Effects 0.000 description 15
- 230000011664 signaling Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 11
- 230000008520 organization Effects 0.000 description 10
- 238000004364 calculation method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000007704 transition Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 239000000284 extract Substances 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 230000001788 irregular Effects 0.000 description 5
- 238000009940 knitting Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000013500 data storage Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004091 panning Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 108010074864 Factor XI Proteins 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 101100219690 Drosophila melanogaster cav gene Proteins 0.000 description 1
- 239000007993 MOPS buffer Substances 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000513 principal component analysis Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011524 similarity measure Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H04S3/02—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
-
- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Analysis (AREA)
- Theoretical Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- General Physics & Mathematics (AREA)
- Algebra (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 (3)
| Publication Number | Publication Date |
|---|---|
| JP2017520174A JP2017520174A (ja) | 2017-07-20 |
| JP2017520174A5 JP2017520174A5 (de) | 2018-10-04 |
| JP6423009B2 true JP6423009B2 (ja) | 2018-11-14 |
Family
ID=53366342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016569921A Active JP6423009B2 (ja) | 2014-05-30 | 2015-05-29 | 高次アンビソニックオーディオレンダラのためのシンメトリ情報を取得すること |
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 |
| WO2020010072A1 (en) | 2018-07-02 | 2020-01-09 | Dolby Laboratories Licensing Corporation | Methods and devices for encoding and/or decoding immersive 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 |
| KR20230154111A (ko) * | 2012-07-16 | 2023-11-07 | 돌비 인터네셔널 에이비 | 오디오 재생을 위한 오디오 음장 표현을 렌더링하는 방법 및 장치 |
| US9716959B2 (en) | 2013-05-29 | 2017-07-25 | Qualcomm Incorporated | Compensating for error in decomposed representations of sound fields |
-
2015
- 2015-05-29 EP EP15727844.1A patent/EP3149972B1/de active Active
- 2015-05-29 ES ES15727844T patent/ES2696930T3/es active Active
- 2015-05-29 BR BR112016028212-4A patent/BR112016028212B1/pt active IP Right Grant
- 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 CA CA2950014A patent/CA2950014C/en active Active
- 2015-05-29 KR KR1020167033118A patent/KR101941764B1/ko active IP Right Grant
- 2015-05-29 HU HUE15727844A patent/HUE039048T2/hu unknown
- 2015-05-29 JP JP2016569921A patent/JP6423009B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| HUE039048T2 (hu) | 2018-12-28 |
| KR101941764B1 (ko) | 2019-01-23 |
| WO2015184316A1 (en) | 2015-12-03 |
| CN106465029B (zh) | 2018-05-08 |
| BR112016028212A2 (pt) | 2017-08-22 |
| JP2017520174A (ja) | 2017-07-20 |
| KR20170015898A (ko) | 2017-02-10 |
| CN106465029A (zh) | 2017-02-22 |
| CA2950014A1 (en) | 2015-12-03 |
| EP3149972B1 (de) | 2018-08-15 |
| CA2950014C (en) | 2019-12-03 |
| ES2696930T3 (es) | 2019-01-18 |
| EP3149972A1 (de) | 2017-04-05 |
| BR112016028212B1 (pt) | 2022-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9870778B2 (en) | Obtaining sparseness information for higher order ambisonic audio renderers | |
| US9883310B2 (en) | Obtaining symmetry information for higher order ambisonic audio renderers | |
| JP6169805B2 (ja) | フレームパラメータ再使用可能性を示すこと | |
| JP6449455B2 (ja) | 高次アンビソニック（ｈｏａ）バックグラウンドチャネル間の相関の低減 | |
| US9847088B2 (en) | Intermediate compression for higher order ambisonic audio data | |
| US10412522B2 (en) | Inserting audio channels into descriptions of soundfields | |
| EP3143613A1 (de) | Kompression von ambisonics-signalen höherer ordnung | |
| JP6297721B2 (ja) | 高次アンビソニックオーディオレンダラのための希薄情報を取得すること | |
| US10134403B2 (en) | Crossfading between higher order ambisonic signals | |
| EP3143618B1 (de) | Closed-loop-quantifizierung von ambisonic-koeffizienten höherer ordnung | |
| JP6605725B2 (ja) | 複数の遷移の間の高次アンビソニック係数のコーディング | |
| JP6423009B2 (ja) | 高次アンビソニックオーディオレンダラのためのシンメトリ情報を取得すること |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180501 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180501 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180823 |
|
| A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20180823 |
|
| A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20180913 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180918 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20181017 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6423009 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |