ES2696930T3 - Obtención de información de simetría para renderizadores de audio ambisónicos de orden superior - Google Patents
Obtención de información de simetría para renderizadores de audio ambisónicos de orden superior Download PDFInfo
- Publication number
- ES2696930T3 ES2696930T3 ES15727844T ES15727844T ES2696930T3 ES 2696930 T3 ES2696930 T3 ES 2696930T3 ES 15727844 T ES15727844 T ES 15727844T ES 15727844 T ES15727844 T ES 15727844T ES 2696930 T3 ES2696930 T3 ES 2696930T3
- Authority
- ES
- Spain
- Prior art keywords
- audio
- information
- matrix
- rendering
- coefficients
- 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 abstract description 161
- 239000006185 dispersion Substances 0.000 claims abstract description 15
- 238000009877 rendering Methods 0.000 claims description 184
- 238000000034 method Methods 0.000 claims description 100
- 238000013461 design Methods 0.000 claims description 11
- 239000013598 vector Substances 0.000 description 181
- 230000007613 environmental effect Effects 0.000 description 66
- 238000007906 compression Methods 0.000 description 49
- 230000006835 compression Effects 0.000 description 49
- 238000000605 extraction Methods 0.000 description 48
- 238000004422 calculation algorithm Methods 0.000 description 37
- 238000013139 quantization Methods 0.000 description 36
- 230000006870 function Effects 0.000 description 30
- 238000004458 analytical method Methods 0.000 description 27
- 238000010586 diagram Methods 0.000 description 26
- 238000012937 correction Methods 0.000 description 23
- 238000000354 decomposition reaction Methods 0.000 description 23
- 238000003491 array Methods 0.000 description 20
- 238000003860 storage Methods 0.000 description 19
- 230000009467 reduction Effects 0.000 description 18
- 230000015572 biosynthetic process Effects 0.000 description 15
- 238000009472 formulation Methods 0.000 description 14
- 239000000203 mixture Substances 0.000 description 14
- 238000003786 synthesis reaction Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 12
- 239000000284 extract Substances 0.000 description 11
- 230000007704 transition Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 10
- 230000011664 signaling Effects 0.000 description 10
- 238000004364 calculation method Methods 0.000 description 9
- 230000001052 transient effect Effects 0.000 description 9
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000005457 optimization Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000006837 decompression Effects 0.000 description 5
- 230000001788 irregular Effects 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 238000007792 addition Methods 0.000 description 4
- 238000013500 data storage Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000009795 derivation Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 238000004091 panning Methods 0.000 description 3
- 238000011002 quantification Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101710187095 4-hydroxy-2-oxovalerate aldolase 5 Proteins 0.000 description 1
- 239000007993 MOPS buffer Substances 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010219 correlation analysis Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000000513 principal component analysis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 239000002699 waste material Substances 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)
- 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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462005829P | 2014-05-30 | 2014-05-30 | |
US201462023662P | 2014-07-11 | 2014-07-11 | |
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 (1)
Publication Number | Publication Date |
---|---|
ES2696930T3 true ES2696930T3 (es) | 2019-01-18 |
Family
ID=53366342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES15727844T Active ES2696930T3 (es) | 2014-05-30 | 2015-05-29 | Obtención de información de simetría para renderizadores de audio ambisónicos de orden superior |
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 |
CA2950014C (en) | 2019-12-03 |
HUE039048T2 (hu) | 2018-12-28 |
KR20170015898A (ko) | 2017-02-10 |
WO2015184316A1 (en) | 2015-12-03 |
EP3149972B1 (de) | 2018-08-15 |
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 | |
ES2729624T3 (es) | Reducción de la correlación entre canales de fondo ambisónicos de orden superior (HOA) | |
ES2714356T3 (es) | Reconstrucción de vectores descompuestos a partir de señales de audio ambisónicas de orden superior | |
ES2674819T3 (es) | Transición de coeficientes ambisónicos ambientales de orden superior | |
US10412522B2 (en) | Inserting audio channels into descriptions of soundfields | |
US9847088B2 (en) | Intermediate compression for higher order ambisonic audio data | |
ES2900653T3 (es) | Adaptación relacionada con pantalla de contenido de HOA | |
ES2699657T3 (es) | Obtención de información de dispersión para renderizadores de audio ambisónicos de orden superior | |
ES2714275T3 (es) | Determinación entre cuantificación escalar y vectorial en coeficientes ambisónicos de orden superior | |
US20150332682A1 (en) | Spatial relation coding for higher order ambisonic coefficients | |
US20150243292A1 (en) | Order format signaling for higher-order ambisonic audio data | |
EP3143618B1 (de) | Closed-loop-quantifizierung von ambisonic-koeffizienten höherer ordnung | |
ES2696930T3 (es) | Obtención de información de simetría para renderizadores de audio ambisónicos de orden superior | |
TWI827687B (zh) | 音訊資料之靈活渲染 |