BR112016028215B1 - Obtenção de informação dispersa para renderizadores de áudio ambissônicos de ordem superior - Google Patents
Obtenção de informação dispersa para renderizadores de áudio ambissônicos de ordem superior Download PDFInfo
- Publication number
- BR112016028215B1 BR112016028215B1 BR112016028215-9A BR112016028215A BR112016028215B1 BR 112016028215 B1 BR112016028215 B1 BR 112016028215B1 BR 112016028215 A BR112016028215 A BR 112016028215A BR 112016028215 B1 BR112016028215 B1 BR 112016028215B1
- Authority
- BR
- Brazil
- Prior art keywords
- audio
- bitstream
- information
- matrix
- coefficients
- Prior art date
Links
- 238000009877 rendering Methods 0.000 claims abstract description 188
- 239000011159 matrix material Substances 0.000 claims abstract description 162
- 238000000034 method Methods 0.000 claims abstract description 106
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000013598 vector Substances 0.000 description 179
- 238000007906 compression Methods 0.000 description 48
- 230000006835 compression Effects 0.000 description 48
- 238000000605 extraction Methods 0.000 description 43
- 238000004422 calculation algorithm Methods 0.000 description 37
- 238000013139 quantization Methods 0.000 description 36
- 230000006870 function Effects 0.000 description 33
- 238000004458 analytical method Methods 0.000 description 27
- 238000000354 decomposition reaction Methods 0.000 description 25
- 238000012937 correction Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 20
- 238000003860 storage Methods 0.000 description 19
- 239000000203 mixture Substances 0.000 description 17
- 230000009467 reduction Effects 0.000 description 15
- 238000005562 fading Methods 0.000 description 14
- 238000009472 formulation Methods 0.000 description 14
- 230000011664 signaling Effects 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 12
- 238000003786 synthesis reaction Methods 0.000 description 12
- 230000001052 transient effect Effects 0.000 description 9
- 238000003491 array Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000007704 transition Effects 0.000 description 8
- 238000005457 optimization Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000001788 irregular Effects 0.000 description 5
- 230000017105 transposition Effects 0.000 description 5
- 238000007792 addition Methods 0.000 description 4
- 238000013500 data storage Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000009466 transformation 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
- 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
- 230000000996 additive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 238000013461 design 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
- 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
- 238000002156 mixing Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000000513 principal component analysis Methods 0.000 description 1
- 238000011524 similarity measure Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Images
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
- 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
- G10L19/04—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (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 | ||
| US14/724,560 US9609452B2 (en) | 2013-02-08 | 2015-05-28 | Obtaining sparseness information for higher order ambisonic audio renderers |
| US14/724,560 | 2015-05-28 | ||
| PCT/US2015/033262 WO2015184307A1 (en) | 2014-05-30 | 2015-05-29 | Obtaining sparseness information for higher order ambisonic audio renderers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112016028215A2 BR112016028215A2 (pt) | 2017-08-22 |
| BR112016028215B1 true BR112016028215B1 (pt) | 2022-08-23 |
Family
ID=53366340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112016028215-9A BR112016028215B1 (pt) | 2014-05-30 | 2015-05-29 | Obtenção de informação dispersa para renderizadores de áudio ambissônicos de ordem superior |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP3149971B1 (enExample) |
| JP (1) | JP6297721B2 (enExample) |
| KR (1) | KR101818877B1 (enExample) |
| CN (2) | CN110827839B (enExample) |
| BR (1) | BR112016028215B1 (enExample) |
| CA (1) | CA2949108C (enExample) |
| ES (1) | ES2699657T3 (enExample) |
| HU (1) | HUE042058T2 (enExample) |
| WO (1) | WO2015184307A1 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190140976A (ko) | 2017-04-18 | 2019-12-20 | 옴니오 사운드 리미티드 | 음향 심리학적 그룹화 현상을 이용한 스테레오 전개 |
| GB2572419A (en) * | 2018-03-29 | 2019-10-02 | Nokia Technologies Oy | Spatial sound rendering |
| BR112020016912A2 (pt) | 2018-04-16 | 2020-12-15 | Dolby Laboratories Licensing Corporation | Métodos, aparelhos e sistemas para codificação e decodificação de fontes de som direcionais |
| US10999693B2 (en) | 2018-06-25 | 2021-05-04 | Qualcomm Incorporated | Rendering different portions of audio data using different renderers |
| US11798569B2 (en) | 2018-10-02 | 2023-10-24 | Qualcomm Incorporated | Flexible rendering of audio data |
| CN110764696B (zh) * | 2019-09-26 | 2020-10-16 | 开放智能机器（上海）有限公司 | 向量信息存储及更新的方法、装置、电子设备及存储介质 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101385077B (zh) * | 2006-02-07 | 2012-04-11 | Lg电子株式会社 | 用于编码/解码信号的装置和方法 |
| BRPI0923174B1 (pt) * | 2008-12-19 | 2020-10-06 | Dolby International Ab | Método e reverberador para aplicar reverberação a um sinal de entrada de áudio com downmixing de mcanais |
| WO2011041834A1 (en) * | 2009-10-07 | 2011-04-14 | The University Of Sydney | Reconstruction of a recorded sound field |
| US9042560B2 (en) * | 2009-12-23 | 2015-05-26 | Nokia Corporation | Sparse audio |
| EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| TWI543642B (zh) * | 2011-07-01 | 2016-07-21 | 杜比實驗室特許公司 | 用於適應性音頻信號的產生、譯碼與呈現之系統與方法 |
| EP2637427A1 (en) * | 2012-03-06 | 2013-09-11 | Thomson Licensing | Method and apparatus for playback of a higher-order ambisonics audio signal |
| KR102597573B1 (ko) * | 2012-07-16 | 2023-11-02 | 돌비 인터네셔널 에이비 | 오디오 재생을 위한 오디오 음장 표현을 렌더링하는 방법 및 장치 |
-
2015
- 2015-05-29 CN CN201910995684.6A patent/CN110827839B/zh active Active
- 2015-05-29 JP JP2016569942A patent/JP6297721B2/ja active Active
- 2015-05-29 ES ES15727842T patent/ES2699657T3/es active Active
- 2015-05-29 HU HUE15727842A patent/HUE042058T2/hu unknown
- 2015-05-29 CN CN201580028070.0A patent/CN106415712B/zh active Active
- 2015-05-29 EP EP15727842.5A patent/EP3149971B1/en active Active
- 2015-05-29 CA CA2949108A patent/CA2949108C/en active Active
- 2015-05-29 WO PCT/US2015/033262 patent/WO2015184307A1/en not_active Ceased
- 2015-05-29 BR BR112016028215-9A patent/BR112016028215B1/pt active IP Right Grant
- 2015-05-29 KR KR1020167033117A patent/KR101818877B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR101818877B1 (ko) | 2018-01-15 |
| CA2949108A1 (en) | 2015-12-03 |
| EP3149971A1 (en) | 2017-04-05 |
| BR112016028215A2 (pt) | 2017-08-22 |
| CN110827839A (zh) | 2020-02-21 |
| ES2699657T3 (es) | 2019-02-12 |
| CN106415712A (zh) | 2017-02-15 |
| JP6297721B2 (ja) | 2018-03-20 |
| CN106415712B (zh) | 2019-11-15 |
| JP2017520177A (ja) | 2017-07-20 |
| EP3149971B1 (en) | 2018-08-29 |
| CA2949108C (en) | 2019-02-26 |
| CN110827839B (zh) | 2023-09-19 |
| KR20170015897A (ko) | 2017-02-10 |
| HUE042058T2 (hu) | 2019-06-28 |
| WO2015184307A1 (en) | 2015-12-03 |
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 | |
| CN106663433B (zh) | 用于处理音频数据的方法和装置 | |
| US10412522B2 (en) | Inserting audio channels into descriptions of soundfields | |
| BR112016017278B1 (pt) | Método de produção de um fluxo de bits de dados de áudio codificados por um dispositivo de codificação de áudio, dispositivo de codificação de áudio, método de decodificação de um fluxo de bits de dados de áudio codificado por um dispositivo de decodificação de áudio, dispositivo de decodificação de áudio, sistema e memória legível por computador | |
| BR112016017589B1 (pt) | Indicação de reusabilidade de parâmetros de quadros para vetores de codificação | |
| CN106471576B (zh) | 高阶立体混响系数的闭环量化 | |
| BR112016028215B1 (pt) | Obtenção de informação dispersa para renderizadores de áudio ambissônicos de ordem superior | |
| BR112016028212B1 (pt) | Obtenção de informação de simetria para renderizadores de áudio ambissônicos de ordem superior | |
| BR112018007574B1 (pt) | Codificação de coeficientes ambissônicos de ordem superior durante múltiplas transições | |
| HK1232013B (zh) | 用於处理音频数据的方法和装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 29/05/2015, OBSERVADAS AS CONDICOES LEGAIS |