JP2015520411A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2015520411A5 JP2015520411A5 JP2015511988A JP2015511988A JP2015520411A5 JP 2015520411 A5 JP2015520411 A5 JP 2015520411A5 JP 2015511988 A JP2015511988 A JP 2015511988A JP 2015511988 A JP2015511988 A JP 2015511988A JP 2015520411 A5 JP2015520411 A5 JP 2015520411A5
- Authority
- JP
- Japan
- Prior art keywords
- hoa
- signal
- dominant
- component
- representation
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 68
- 238000007906 compression Methods 0.000 claims description 34
- 239000013598 vector Substances 0.000 claims description 33
- 230000006835 compression Effects 0.000 claims description 31
- 230000008569 process Effects 0.000 claims description 22
- 230000009467 reduction Effects 0.000 claims description 8
- 238000009877 rendering Methods 0.000 claims description 6
- 230000001131 transforming effect Effects 0.000 claims description 4
- 238000009432 framing Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 2
- 238000004590 computer program Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 description 33
- 238000005070 sampling Methods 0.000 description 25
- 230000000875 corresponding effect Effects 0.000 description 21
- 230000014509 gene expression Effects 0.000 description 19
- 230000006837 decompression Effects 0.000 description 15
- 238000009499 grossing Methods 0.000 description 15
- 239000006185 dispersion Substances 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 9
- 230000009466 transformation Effects 0.000 description 9
- 238000004364 calculation method Methods 0.000 description 8
- 238000000354 decomposition reaction Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004422 calculation algorithm Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000004091 panning Methods 0.000 description 3
- 238000010845 search algorithm Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000012887 quadratic function Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- GOJUJUVQIVIZAV-UHFFFAOYSA-N 2-amino-4,6-dichloropyrimidine-5-carbaldehyde Chemical group NC1=NC(Cl)=C(C=O)C(Cl)=N1 GOJUJUVQIVIZAV-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12305537.8 | 2012-05-14 | ||
| EP12305537.8A EP2665208A1 (en) | 2012-05-14 | 2012-05-14 | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| PCT/EP2013/059363 WO2013171083A1 (en) | 2012-05-14 | 2013-05-06 | Method and apparatus for compressing and decompressing a higher order ambisonics signal representation |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017174629A Division JP6500065B2 (ja) | 2012-05-14 | 2017-09-12 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015520411A JP2015520411A (ja) | 2015-07-16 |
| JP2015520411A5 true JP2015520411A5 (enExample) | 2016-06-09 |
| JP6211069B2 JP6211069B2 (ja) | 2017-10-11 |
Family
ID=48430722
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015511988A Active JP6211069B2 (ja) | 2012-05-14 | 2013-05-06 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
| JP2017174629A Active JP6500065B2 (ja) | 2012-05-14 | 2017-09-12 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
| JP2019049327A Active JP6698903B2 (ja) | 2012-05-14 | 2019-03-18 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
| JP2020078865A Active JP7090119B2 (ja) | 2012-05-14 | 2020-04-28 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
| JP2022095120A Active JP7471344B2 (ja) | 2012-05-14 | 2022-06-13 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
| JP2024062459A Pending JP2024084842A (ja) | 2012-05-14 | 2024-04-09 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017174629A Active JP6500065B2 (ja) | 2012-05-14 | 2017-09-12 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
| JP2019049327A Active JP6698903B2 (ja) | 2012-05-14 | 2019-03-18 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
| JP2020078865A Active JP7090119B2 (ja) | 2012-05-14 | 2020-04-28 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
| JP2022095120A Active JP7471344B2 (ja) | 2012-05-14 | 2022-06-13 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
| JP2024062459A Pending JP2024084842A (ja) | 2012-05-14 | 2024-04-09 | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 |
Country Status (9)
| Country | Link |
|---|---|
| US (7) | US9454971B2 (enExample) |
| EP (6) | EP2665208A1 (enExample) |
| JP (6) | JP6211069B2 (enExample) |
| KR (6) | KR102526449B1 (enExample) |
| CN (10) | CN107180637B (enExample) |
| AU (6) | AU2013261933B2 (enExample) |
| BR (1) | BR112014028439B1 (enExample) |
| TW (6) | TWI618049B (enExample) |
| WO (1) | WO2013171083A1 (enExample) |
Families Citing this family (54)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2665208A1 (en) * | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| EP2738962A1 (en) | 2012-11-29 | 2014-06-04 | Thomson Licensing | Method and apparatus for determining dominant sound source directions in a higher order ambisonics representation of a sound field |
| EP2743922A1 (en) | 2012-12-12 | 2014-06-18 | Thomson Licensing | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| EP2765791A1 (en) | 2013-02-08 | 2014-08-13 | Thomson Licensing | Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field |
| EP2800401A1 (en) | 2013-04-29 | 2014-11-05 | Thomson Licensing | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| US9769586B2 (en) * | 2013-05-29 | 2017-09-19 | Qualcomm Incorporated | Performing order reduction with respect to higher order ambisonic coefficients |
| US20150127354A1 (en) * | 2013-10-03 | 2015-05-07 | Qualcomm Incorporated | Near field compensation for decomposed representations of a sound field |
| EP2879408A1 (en) * | 2013-11-28 | 2015-06-03 | Thomson Licensing | Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition |
| JP6530412B2 (ja) * | 2014-01-08 | 2019-06-12 | ドルビー・インターナショナル・アーベー | 音場の高次アンビソニックス表現を符号化するために必要とされるサイド情報の符号化を改善する方法および装置 |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| US9489955B2 (en) | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
| US10412522B2 (en) | 2014-03-21 | 2019-09-10 | Qualcomm Incorporated | Inserting audio channels into descriptions of soundfields |
| CN109410961B (zh) * | 2014-03-21 | 2023-08-25 | 杜比国际公司 | 用于对压缩的hoa信号进行解码的方法、装置和存储介质 |
| EP2922057A1 (en) | 2014-03-21 | 2015-09-23 | Thomson Licensing | Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal |
| WO2015140292A1 (en) * | 2014-03-21 | 2015-09-24 | Thomson Licensing | Method for compressing a higher order ambisonics (hoa) signal, method for decompressing a compressed hoa signal, apparatus for compressing a hoa signal, and apparatus for decompressing a compressed hoa signal |
| KR102005298B1 (ko) | 2014-03-24 | 2019-07-30 | 돌비 인터네셔널 에이비 | 고차 앰비소닉스 신호에 동적 범위 압축을 적용하는 방법 및 디바이스 |
| JP6374980B2 (ja) | 2014-03-26 | 2018-08-15 | パナソニック株式会社 | サラウンドオーディオ信号処理のための装置及び方法 |
| US10134403B2 (en) * | 2014-05-16 | 2018-11-20 | Qualcomm Incorporated | Crossfading between higher order ambisonic signals |
| US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
| US9620137B2 (en) | 2014-05-16 | 2017-04-11 | Qualcomm Incorporated | Determining between scalar and vector quantization in higher order ambisonic coefficients |
| US9852737B2 (en) | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics audio signals |
| EP2960903A1 (en) * | 2014-06-27 | 2015-12-30 | Thomson Licensing | Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values |
| CN107077852B (zh) | 2014-06-27 | 2020-12-04 | 杜比国际公司 | 包括与hoa数据帧表示的特定数据帧的通道信号关联的非差分增益值的编码hoa数据帧表示 |
| CN113808598B (zh) | 2014-06-27 | 2025-03-18 | 杜比国际公司 | 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法 |
| EP3860154B1 (en) * | 2014-06-27 | 2024-02-21 | Dolby International AB | Method for decoding a compressed hoa dataframe representation of a sound field. |
| EP3164867A1 (en) | 2014-07-02 | 2017-05-10 | Dolby International AB | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation |
| CN106463131B (zh) | 2014-07-02 | 2020-12-08 | 杜比国际公司 | 用于对hoa信号表示的子带内的主导方向信号的方向进行编码/解码的方法和装置 |
| EP2963949A1 (en) | 2014-07-02 | 2016-01-06 | Thomson Licensing | Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation |
| WO2016001357A1 (en) * | 2014-07-02 | 2016-01-07 | Thomson Licensing | Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa representation |
| EP2963948A1 (en) * | 2014-07-02 | 2016-01-06 | Thomson Licensing | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation |
| US9838819B2 (en) * | 2014-07-02 | 2017-12-05 | Qualcomm Incorporated | Reducing correlation between higher order ambisonic (HOA) background channels |
| CN106576204B (zh) | 2014-07-03 | 2019-08-20 | 杜比实验室特许公司 | 声场的辅助增大 |
| US9747910B2 (en) | 2014-09-26 | 2017-08-29 | Qualcomm Incorporated | Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework |
| EP3007167A1 (en) * | 2014-10-10 | 2016-04-13 | Thomson Licensing | Method and apparatus for low bit rate compression of a Higher Order Ambisonics HOA signal representation of a sound field |
| EP3073488A1 (en) | 2015-03-24 | 2016-09-28 | Thomson Licensing | Method and apparatus for embedding and regaining watermarks in an ambisonics representation of a sound field |
| US12087311B2 (en) | 2015-07-30 | 2024-09-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding an HOA representation |
| US10468037B2 (en) | 2015-07-30 | 2019-11-05 | Dolby Laboratories Licensing Corporation | Method and apparatus for generating from an HOA signal representation a mezzanine HOA signal representation |
| CN107925837B (zh) | 2015-08-31 | 2020-09-22 | 杜比国际公司 | 对压缩hoa信号逐帧组合解码和渲染的方法以及对压缩hoa信号逐帧组合解码和渲染的装置 |
| MX392462B (es) | 2015-10-08 | 2025-03-24 | Dolby Int Ab | Codificacion en capas para representaciones de sonido o campo de sonido comprimidas |
| IL300036B2 (en) | 2015-10-08 | 2024-04-01 | Dolby Int Ab | Layered coding for voice or compressed sound field representations |
| US9959880B2 (en) * | 2015-10-14 | 2018-05-01 | Qualcomm Incorporated | Coding higher-order ambisonic coefficients during multiple transitions |
| EP3716653B1 (en) * | 2015-11-17 | 2023-06-07 | Dolby International AB | Headtracking for parametric binaural output system |
| US20180338212A1 (en) * | 2017-05-18 | 2018-11-22 | Qualcomm Incorporated | Layered intermediate compression for higher order ambisonic audio data |
| US10595146B2 (en) * | 2017-12-21 | 2020-03-17 | Verizon Patent And Licensing Inc. | Methods and systems for extracting location-diffused ambient sound from a real-world scene |
| US10657974B2 (en) * | 2017-12-21 | 2020-05-19 | Qualcomm Incorporated | Priority information for higher order ambisonic audio data |
| JP6652990B2 (ja) * | 2018-07-20 | 2020-02-26 | パナソニック株式会社 | サラウンドオーディオ信号処理のための装置及び方法 |
| CN110211038A (zh) * | 2019-04-29 | 2019-09-06 | 南京航空航天大学 | 基于dirac残差深度神经网络的超分辨率重建方法 |
| US11538489B2 (en) * | 2019-06-24 | 2022-12-27 | Qualcomm Incorporated | Correlating scene-based audio data for psychoacoustic audio coding |
| WO2022122861A1 (en) * | 2020-12-08 | 2022-06-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal characteristic determinator, method for determining a signal characteristic, audio encoder and computer program |
| CN113449255B (zh) * | 2021-06-15 | 2022-11-11 | 电子科技大学 | 一种改进的稀疏约束下环境分量相位角估计方法、设备及存储介质 |
| CN115881140B (zh) * | 2021-09-29 | 2025-09-26 | 华为技术有限公司 | 编解码方法、装置、设备、存储介质及计算机程序产品 |
| CN115096428B (zh) * | 2022-06-21 | 2023-01-24 | 天津大学 | 一种声场重建方法、装置、计算机设备和存储介质 |
| CN117150228B (zh) * | 2023-08-28 | 2025-08-08 | 中国科学院上海光学精密机械研究所 | 基于空间离差的分布式光纤振动传感系统低频噪声抑制方法 |
Family Cites Families (62)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100206333B1 (ko) * | 1996-10-08 | 1999-07-01 | 윤종용 | 두개의 스피커를 이용한 멀티채널 오디오 재생장치및 방법 |
| ATE336119T1 (de) * | 1997-05-19 | 2006-09-15 | Verance Corp | Vorrichtung und verfahren für die einbettung und wiedergewinnung von informationen in analogen signalen mit verwendung der verteilten signalmerkmale |
| FR2779951B1 (fr) | 1998-06-19 | 2004-05-21 | Oreal | Composition tinctoriale contenant une pyrazolo-[1,5-a]- pyrimidine a titre de base d'oxydation et un coupleur naphtalenique, et procedes de teinture |
| US7231054B1 (en) * | 1999-09-24 | 2007-06-12 | Creative Technology Ltd | Method and apparatus for three-dimensional audio display |
| US6763623B2 (en) * | 2002-08-07 | 2004-07-20 | Grafoplast S.P.A. | Printed rigid multiple tags, printable with a thermal transfer printer for marking of electrotechnical and electronic elements |
| KR20050075510A (ko) * | 2004-01-15 | 2005-07-21 | 삼성전자주식회사 | 통신 단말기를 위한 3차원 입체음향의 재생/저장 장치 및방법 |
| US7688989B2 (en) * | 2004-03-11 | 2010-03-30 | Pss Belgium N.V. | Method and system for processing sound signals for a surround left channel and a surround right channel |
| CN1677490A (zh) * | 2004-04-01 | 2005-10-05 | 北京宫羽数字技术有限责任公司 | 一种增强音频编解码装置及方法 |
| US7548853B2 (en) * | 2005-06-17 | 2009-06-16 | Shmunk Dmitry V | Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding |
| EP1853092B1 (en) * | 2006-05-04 | 2011-10-05 | LG Electronics, Inc. | Enhancing stereo audio with remix capability |
| US8374365B2 (en) * | 2006-05-17 | 2013-02-12 | Creative Technology Ltd | Spatial audio analysis and synthesis for binaural reproduction and format conversion |
| US8712061B2 (en) * | 2006-05-17 | 2014-04-29 | Creative Technology Ltd | Phase-amplitude 3-D stereo encoder and decoder |
| DE102006047197B3 (de) * | 2006-07-31 | 2008-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines reellen Subband-Signals zur Reduktion von Aliasing-Effekten |
| US7558685B2 (en) * | 2006-11-29 | 2009-07-07 | Samplify Systems, Inc. | Frequency resolution using compression |
| KR100885699B1 (ko) * | 2006-12-01 | 2009-02-26 | 엘지전자 주식회사 | 키 입력 장치 및 입력 방법 |
| CN101206860A (zh) * | 2006-12-20 | 2008-06-25 | 华为技术有限公司 | 一种可分层音频编解码方法及装置 |
| KR101379263B1 (ko) * | 2007-01-12 | 2014-03-28 | 삼성전자주식회사 | 대역폭 확장 복호화 방법 및 장치 |
| US20090043577A1 (en) * | 2007-08-10 | 2009-02-12 | Ditech Networks, Inc. | Signal presence detection using bi-directional communication data |
| JP5183741B2 (ja) * | 2007-08-27 | 2013-04-17 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | ノイズ補充と帯域拡張との間の遷移周波数の適合 |
| WO2009046223A2 (en) * | 2007-10-03 | 2009-04-09 | Creative Technology Ltd | Spatial audio analysis and synthesis for binaural reproduction and format conversion |
| GB2467247B (en) * | 2007-10-04 | 2012-02-29 | Creative Tech Ltd | Phase-amplitude 3-D stereo encoder and decoder |
| WO2009067741A1 (en) * | 2007-11-27 | 2009-06-04 | Acouity Pty Ltd | Bandwidth compression of parametric soundfield representations for transmission and storage |
| US8253609B2 (en) * | 2007-12-21 | 2012-08-28 | France Telecom | Transform-based coding/decoding, with adaptive windows |
| CN101202043B (zh) * | 2007-12-28 | 2011-06-15 | 清华大学 | 音频信号的编码方法和装置与解码方法和装置 |
| ATE518224T1 (de) * | 2008-01-04 | 2011-08-15 | Dolby Int Ab | Audiokodierer und -dekodierer |
| EP2248352B1 (en) * | 2008-02-14 | 2013-01-23 | Dolby Laboratories Licensing Corporation | Stereophonic widening |
| US8812309B2 (en) * | 2008-03-18 | 2014-08-19 | Qualcomm Incorporated | Methods and apparatus for suppressing ambient noise using multiple audio signals |
| US8611554B2 (en) * | 2008-04-22 | 2013-12-17 | Bose Corporation | Hearing assistance apparatus |
| EP2301020B1 (en) * | 2008-07-11 | 2013-01-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
| EP2144231A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme with common preprocessing |
| ES2425814T3 (es) * | 2008-08-13 | 2013-10-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato para determinar una señal de audio espacial convertida |
| ES2733878T3 (es) * | 2008-12-15 | 2019-12-03 | Orange | Codificación mejorada de señales de audio digitales multicanales |
| ES2435792T3 (es) * | 2008-12-15 | 2013-12-23 | Orange | Codificación perfeccionada de señales digitales de audio multicanal |
| EP2205007B1 (en) * | 2008-12-30 | 2019-01-09 | Dolby International AB | Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction |
| CN101770777B (zh) * | 2008-12-31 | 2012-04-25 | 华为技术有限公司 | 一种线性预测编码频带扩展方法、装置和编解码系统 |
| GB2467534B (en) * | 2009-02-04 | 2014-12-24 | Richard Furse | Sound system |
| EP2400771B1 (en) | 2009-02-19 | 2014-11-19 | Panasonic Corporation | Recording medium, reproduction device, and integrated circuit |
| WO2011104146A1 (en) * | 2010-02-24 | 2011-09-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for generating an enhanced downmix signal, method for generating an enhanced downmix signal and computer program |
| EP2539892B1 (fr) * | 2010-02-26 | 2014-04-02 | Orange | Compression de flux audio multicanal |
| AU2011231565B2 (en) * | 2010-03-26 | 2014-08-28 | Dolby International Ab | Method and device for decoding an audio soundfield representation for audio playback |
| US20120029912A1 (en) * | 2010-07-27 | 2012-02-02 | Voice Muffler Corporation | Hands-free Active Noise Canceling Device |
| NZ587483A (en) * | 2010-08-20 | 2012-12-21 | Ind Res Ltd | Holophonic speaker system with filters that are pre-configured based on acoustic transfer functions |
| KR101826331B1 (ko) * | 2010-09-15 | 2018-03-22 | 삼성전자주식회사 | 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법 |
| EP2451196A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Method and apparatus for generating and for decoding sound field data including ambisonics sound field data of an order higher than three |
| EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| EP2469741A1 (en) * | 2010-12-21 | 2012-06-27 | Thomson Licensing | Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field |
| FR2969804A1 (fr) * | 2010-12-23 | 2012-06-29 | France Telecom | Filtrage perfectionne dans le domaine transforme. |
| EP2541547A1 (en) * | 2011-06-30 | 2013-01-02 | Thomson Licensing | Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation |
| EP2665208A1 (en) | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| US9288603B2 (en) * | 2012-07-15 | 2016-03-15 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
| EP2733963A1 (en) * | 2012-11-14 | 2014-05-21 | Thomson Licensing | Method and apparatus for facilitating listening to a sound signal for matrixed sound signals |
| EP2743922A1 (en) * | 2012-12-12 | 2014-06-18 | Thomson Licensing | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| EP2946468B1 (en) * | 2013-01-16 | 2016-12-21 | Thomson Licensing | Method for measuring hoa loudness level and device for measuring hoa loudness level |
| EP2765791A1 (en) * | 2013-02-08 | 2014-08-13 | Thomson Licensing | Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field |
| US9959875B2 (en) * | 2013-03-01 | 2018-05-01 | Qualcomm Incorporated | Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams |
| EP2782094A1 (en) * | 2013-03-22 | 2014-09-24 | Thomson Licensing | Method and apparatus for enhancing directivity of a 1st order Ambisonics signal |
| US9769586B2 (en) * | 2013-05-29 | 2017-09-19 | Qualcomm Incorporated | Performing order reduction with respect to higher order ambisonic coefficients |
| EP2824661A1 (en) * | 2013-07-11 | 2015-01-14 | Thomson Licensing | Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals |
| KR101480474B1 (ko) * | 2013-10-08 | 2015-01-09 | 엘지전자 주식회사 | 오디오 재생장치와 이를 포함하는 시스템 |
| EP3073488A1 (en) * | 2015-03-24 | 2016-09-28 | Thomson Licensing | Method and apparatus for embedding and regaining watermarks in an ambisonics representation of a sound field |
| US10796704B2 (en) * | 2018-08-17 | 2020-10-06 | Dts, Inc. | Spatial audio signal decoder |
| US11429340B2 (en) * | 2019-07-03 | 2022-08-30 | Qualcomm Incorporated | Audio capture and rendering for extended reality experiences |
-
2012
- 2012-05-14 EP EP12305537.8A patent/EP2665208A1/en not_active Withdrawn
-
2013
- 2013-05-03 TW TW106122256A patent/TWI618049B/zh active
- 2013-05-03 TW TW106146055A patent/TWI634546B/zh active
- 2013-05-03 TW TW102115828A patent/TWI600005B/zh active
- 2013-05-03 TW TW107119510A patent/TWI666627B/zh active
- 2013-05-03 TW TW110112090A patent/TWI823073B/zh active
- 2013-05-03 TW TW108114778A patent/TWI725419B/zh active
- 2013-05-06 EP EP19175884.6A patent/EP3564952B1/en active Active
- 2013-05-06 EP EP23168515.7A patent/EP4246511B1/en active Active
- 2013-05-06 BR BR112014028439-3A patent/BR112014028439B1/pt active IP Right Grant
- 2013-05-06 CN CN201710350454.5A patent/CN107180637B/zh active Active
- 2013-05-06 KR KR1020227026008A patent/KR102526449B1/ko active Active
- 2013-05-06 CN CN201710354502.8A patent/CN106971738B/zh active Active
- 2013-05-06 CN CN202110183877.9A patent/CN112735447B/zh active Active
- 2013-05-06 US US14/400,039 patent/US9454971B2/en active Active
- 2013-05-06 KR KR1020147031645A patent/KR102121939B1/ko active Active
- 2013-05-06 KR KR1020207016239A patent/KR102231498B1/ko active Active
- 2013-05-06 AU AU2013261933A patent/AU2013261933B2/en active Active
- 2013-05-06 CN CN201710350511.XA patent/CN107017002B/zh active Active
- 2013-05-06 CN CN202110183761.5A patent/CN112712810B/zh active Active
- 2013-05-06 EP EP21214985.0A patent/EP4012703B1/en active Active
- 2013-05-06 KR KR1020217008100A patent/KR102427245B1/ko active Active
- 2013-05-06 EP EP24211267.0A patent/EP4481729A3/en active Pending
- 2013-05-06 WO PCT/EP2013/059363 patent/WO2013171083A1/en not_active Ceased
- 2013-05-06 CN CN202310181331.9A patent/CN116312573A/zh active Pending
- 2013-05-06 JP JP2015511988A patent/JP6211069B2/ja active Active
- 2013-05-06 KR KR1020247009545A patent/KR20240045340A/ko active Pending
- 2013-05-06 EP EP13722362.4A patent/EP2850753B1/en active Active
- 2013-05-06 CN CN201380025029.9A patent/CN104285390B/zh active Active
- 2013-05-06 KR KR1020237013799A patent/KR102651455B1/ko active Active
- 2013-05-06 CN CN201710350513.9A patent/CN107180638B/zh active Active
- 2013-05-06 CN CN201710350455.XA patent/CN107170458B/zh active Active
- 2013-05-06 CN CN202310171516.1A patent/CN116229995A/zh active Pending
-
2016
- 2016-07-27 US US15/221,354 patent/US9980073B2/en active Active
- 2016-11-25 AU AU2016262783A patent/AU2016262783B2/en active Active
-
2017
- 2017-09-12 JP JP2017174629A patent/JP6500065B2/ja active Active
-
2018
- 2018-03-21 US US15/927,985 patent/US10390164B2/en active Active
-
2019
- 2019-03-05 AU AU2019201490A patent/AU2019201490B2/en active Active
- 2019-03-18 JP JP2019049327A patent/JP6698903B2/ja active Active
- 2019-07-01 US US16/458,526 patent/US11234091B2/en active Active
-
2020
- 2020-04-28 JP JP2020078865A patent/JP7090119B2/ja active Active
-
2021
- 2021-06-09 AU AU2021203791A patent/AU2021203791B2/en active Active
- 2021-12-10 US US17/548,485 patent/US11792591B2/en active Active
-
2022
- 2022-06-13 JP JP2022095120A patent/JP7471344B2/ja active Active
- 2022-08-08 AU AU2022215160A patent/AU2022215160B2/en active Active
-
2023
- 2023-10-16 US US18/487,280 patent/US12245012B2/en active Active
-
2024
- 2024-04-09 JP JP2024062459A patent/JP2024084842A/ja active Pending
- 2024-10-04 AU AU2024227096A patent/AU2024227096A1/en active Pending
-
2025
- 2025-02-18 US US19/056,410 patent/US20250260934A1/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7471344B2 (ja) | 高次アンビソニックス信号表現を圧縮又は圧縮解除するための方法又は装置 | |
| JP2015520411A5 (enExample) | ||
| HK40088796A (zh) | 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置 | |
| HK40050574A (en) | Method and apparatus for compressing and decompressing a higher order ambisonics signal representation | |
| HK40050574B (en) | Method and apparatus for compressing and decompressing a higher order ambisonics signal representation | |
| HK40051314B (en) | Method and apparatus for compressing and decompressing a higher order ambisonics signal representation | |
| HK40051314A (en) | Method and apparatus for compressing and decompressing a higher order ambisonics signal representation | |
| HK1238790B (zh) | 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置 | |
| HK1238786B (zh) | 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置 | |
| HK1238787B (zh) | 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置 | |
| HK1235909B (zh) | 解压缩高阶高保真度立体声响复制信号表示的方法及装置 | |
| HK1235535B (zh) | 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置 | |
| HK1235535A1 (en) | Method and apparatus for compressing and decompressing a higher order ambisonics signal representation | |
| HK1238790A1 (en) | Method and apparatus for compressing and decompressing a higher order ambisonics signal representation | |
| HK1238786A1 (en) | Method and apparatus for compressing and decompressing a higher order ambisonics signal representation | |
| HK1235909A1 (en) | Method and apparatus for compressing and decompressing a higher order ambisonics signal representation | |
| HK1238787A1 (en) | Method and apparatus for compressing and decompressing a higher order ambisonics signal representation |