CA3190353A1 - Method and apparatus for compressing and decompressing a higher order ambisonics representation - Google Patents
Method and apparatus for compressing and decompressing a higher order ambisonics representationInfo
- Publication number
- CA3190353A1 CA3190353A1 CA3190353A CA3190353A CA3190353A1 CA 3190353 A1 CA3190353 A1 CA 3190353A1 CA 3190353 A CA3190353 A CA 3190353A CA 3190353 A CA3190353 A CA 3190353A CA 3190353 A1 CA3190353 A1 CA 3190353A1
- Authority
- CA
- Canada
- Prior art keywords
- frame
- hoa
- coefficient sequences
- directional signals
- signals
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 42
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 16
- 239000000306 component Substances 0.000 claims description 76
- 230000000875 corresponding effect Effects 0.000 claims description 30
- 238000009826 distribution Methods 0.000 claims description 26
- 230000006837 decompression Effects 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 9
- WPPDXAHGCGPUPK-UHFFFAOYSA-N red 2 Chemical compound C1=CC=CC=C1C(C1=CC=CC=C11)=C(C=2C=3C4=CC=C5C6=CC=C7C8=C(C=9C=CC=CC=9)C9=CC=CC=C9C(C=9C=CC=CC=9)=C8C8=CC=C(C6=C87)C(C=35)=CC=2)C4=C1C1=CC=CC=C1 WPPDXAHGCGPUPK-UHFFFAOYSA-N 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 claims description 4
- 102100031102 C-C motif chemokine 4 Human genes 0.000 claims 4
- 101100054773 Caenorhabditis elegans act-2 gene Proteins 0.000 claims 4
- 230000003111 delayed effect Effects 0.000 claims 3
- 108090001145 Nuclear Receptor Coactivator 3 Proteins 0.000 claims 1
- 102100022883 Nuclear receptor coactivator 3 Human genes 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 108091006146 Channels Proteins 0.000 description 30
- 230000006870 function Effects 0.000 description 15
- 239000011159 matrix material Substances 0.000 description 12
- 230000000873 masking effect Effects 0.000 description 9
- 230000005428 wave function Effects 0.000 description 8
- 238000001745 non-dispersive infrared spectroscopy Methods 0.000 description 7
- 230000008447 perception Effects 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- XIXNSLABECPEMI-VURMDHGXSA-N (z)-2-[2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]pent-2-enoic acid Chemical compound CC\C=C(/C(O)=O)C1=CSC(NC(=O)OC(C)(C)C)=N1 XIXNSLABECPEMI-VURMDHGXSA-N 0.000 description 1
- 101710187095 4-hydroxy-2-oxovalerate aldolase 5 Proteins 0.000 description 1
- 241001581492 Attila Species 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 101100000858 Caenorhabditis elegans act-3 gene Proteins 0.000 description 1
- 101001072191 Homo sapiens Protein disulfide-isomerase A2 Proteins 0.000 description 1
- 101001098828 Homo sapiens Protein disulfide-isomerase A5 Proteins 0.000 description 1
- HEFNNWSXXWATRW-UHFFFAOYSA-N Ibuprofen Chemical compound CC(C)CC1=CC=C(C(C)C(O)=O)C=C1 HEFNNWSXXWATRW-UHFFFAOYSA-N 0.000 description 1
- 102100036351 Protein disulfide-isomerase A2 Human genes 0.000 description 1
- ZVQOOHYFBIDMTQ-UHFFFAOYSA-N [methyl(oxido){1-[6-(trifluoromethyl)pyridin-3-yl]ethyl}-lambda(6)-sulfanylidene]cyanamide Chemical compound N#CN=S(C)(=O)C(C)C1=CC=C(C(F)(F)F)N=C1 ZVQOOHYFBIDMTQ-UHFFFAOYSA-N 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229960004594 fominoben Drugs 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- H04S3/008—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
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/13—Application of wave-field synthesis in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Stereophonic System (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13305558.2 | 2013-04-29 | ||
| EP13305558.2A EP2800401A1 (en) | 2013-04-29 | 2013-04-29 | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| CA3110057A CA3110057C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3110057A Division CA3110057C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3190353A1 true CA3190353A1 (en) | 2014-11-06 |
Family
ID=48607176
Family Applications (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3190353A Pending CA3190353A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168901A Active CA3168901C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3190346A Pending CA3190346A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA2907595A Active CA2907595C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3110057A Active CA3110057C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168916A Active CA3168916C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168906A Active CA3168906C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168921A Active CA3168921C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
Family Applications After (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3168901A Active CA3168901C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3190346A Pending CA3190346A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA2907595A Active CA2907595C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3110057A Active CA3110057C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168916A Active CA3168916C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168906A Active CA3168906C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168921A Active CA3168921C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
Country Status (10)
| Country | Link |
|---|---|
| US (10) | US9736607B2 (enExample) |
| EP (6) | EP2800401A1 (enExample) |
| JP (8) | JP6395811B2 (enExample) |
| KR (6) | KR102377798B1 (enExample) |
| CN (5) | CN107293304B (enExample) |
| CA (8) | CA3190353A1 (enExample) |
| MX (6) | MX347283B (enExample) |
| MY (2) | MY176454A (enExample) |
| RU (1) | RU2668060C2 (enExample) |
| WO (1) | WO2014177455A1 (enExample) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9674587B2 (en) * | 2012-06-26 | 2017-06-06 | Sonos, Inc. | Systems and methods for networked music playback including remote add to queue |
| 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 |
| US9412385B2 (en) * | 2013-05-28 | 2016-08-09 | Qualcomm Incorporated | Performing spatial masking with respect to spherical harmonic coefficients |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| US9716959B2 (en) | 2013-05-29 | 2017-07-25 | Qualcomm Incorporated | Compensating for error in decomposed representations of sound fields |
| 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 |
| KR20240116835A (ko) * | 2014-01-08 | 2024-07-30 | 돌비 인터네셔널 에이비 | 사운드 필드의 고차 앰비소닉스 표현을 코딩하기 위해 요구되는 사이드 정보의 코딩을 개선하기 위한 방법 및 장치 |
| 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 |
| EP3120352B1 (en) | 2014-03-21 | 2019-05-01 | Dolby International AB | 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 |
| 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 |
| JP6243060B2 (ja) | 2014-03-21 | 2017-12-06 | ドルビー・インターナショナル・アーベー | 高次アンビソニックス（ｈｏａ）信号を圧縮する方法、圧縮されたｈｏａ信号を圧縮解除する方法、ｈｏａ信号を圧縮する装置および圧縮されたｈｏａ信号を圧縮解除する装置 |
| US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
| US9852737B2 (en) | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics audio signals |
| CN120032651A (zh) | 2014-06-27 | 2025-05-23 | 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 |
| 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 |
| KR102454747B1 (ko) | 2014-06-27 | 2022-10-17 | 돌비 인터네셔널 에이비 | Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치 |
| US9794713B2 (en) | 2014-06-27 | 2017-10-17 | Dolby Laboratories Licensing Corporation | Coded HOA data frame representation that includes non-differential gain values associated with channel signals of specific ones of the dataframes of an HOA data frame representation |
| 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 |
| KR102363275B1 (ko) | 2014-07-02 | 2022-02-16 | 돌비 인터네셔널 에이비 | Ｈｏａ 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 위한 방법 및 장치 |
| KR102433192B1 (ko) | 2014-07-02 | 2022-08-18 | 돌비 인터네셔널 에이비 | 압축된 ｈｏａ 표현을 디코딩하기 위한 방법 및 장치와 압축된 ｈｏａ 표현을 인코딩하기 위한 방법 및 장치 |
| 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 |
| CN106471579B (zh) | 2014-07-02 | 2020-12-18 | 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 |
| US9736606B2 (en) * | 2014-08-01 | 2017-08-15 | Qualcomm Incorporated | Editing of higher-order ambisonic audio data |
| 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 |
| US12087311B2 (en) | 2015-07-30 | 2024-09-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding an HOA representation |
| EP3739578A1 (en) | 2015-07-30 | 2020-11-18 | Dolby International AB | Method and apparatus for generating from an hoa signal representation a mezzanine hoa signal representation |
| WO2017036609A1 (en) * | 2015-08-31 | 2017-03-09 | Dolby International Ab | Method for frame-wise combined decoding and rendering of a compressed hoa signal and apparatus for frame-wise combined decoding and rendering of a compressed hoa signal |
| US9881628B2 (en) * | 2016-01-05 | 2018-01-30 | Qualcomm Incorporated | Mixed domain coding of audio |
| EP3338462B1 (en) * | 2016-03-15 | 2019-08-28 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus, method or computer program for generating a sound field description |
| US10332530B2 (en) | 2017-01-27 | 2019-06-25 | Google Llc | Coding of a soundfield representation |
| JP6811312B2 (ja) | 2017-05-01 | 2021-01-13 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ | 符号化装置及び符号化方法 |
| US10405126B2 (en) * | 2017-06-30 | 2019-09-03 | Qualcomm Incorporated | Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems |
| EP3818730A4 (en) * | 2018-07-03 | 2022-08-31 | Nokia Technologies Oy | Energy-ratio signalling and synthesis |
| CN110113119A (zh) * | 2019-04-26 | 2019-08-09 | 国家无线电监测中心 | 一种基于人工智能算法的无线信道建模方法 |
| CN114582357B (zh) * | 2020-11-30 | 2025-09-12 | 华为技术有限公司 | 一种音频编解码方法和装置 |
| US11743670B2 (en) | 2020-12-18 | 2023-08-29 | Qualcomm Incorporated | Correlation-based rendering with multiple distributed streams accounting for an occlusion for six degree of freedom applications |
| CN115938388A (zh) * | 2021-05-31 | 2023-04-07 | 华为技术有限公司 | 一种三维音频信号的处理方法和装置 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5757927A (en) * | 1992-03-02 | 1998-05-26 | Trifield Productions Ltd. | Surround sound apparatus |
| US5956674A (en) | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
| JP3700254B2 (ja) * | 1996-05-31 | 2005-09-28 | 日本ビクター株式会社 | 映像音声再生装置 |
| AUPP272598A0 (en) * | 1998-03-31 | 1998-04-23 | Lake Dsp Pty Limited | Wavelet conversion of 3-d audio signals |
| US6931370B1 (en) * | 1999-11-02 | 2005-08-16 | Digital Theater Systems, Inc. | System and method for providing interactive audio in a multi-channel audio environment |
| CN1279511C (zh) * | 2001-04-13 | 2006-10-11 | 多尔拜实验特许公司 | 一种时间标度和/或音调偏移一个音频信号的方法 |
| AUPR647501A0 (en) * | 2001-07-19 | 2001-08-09 | Vast Audio Pty Ltd | Recording a three dimensional auditory scene and reproducing it for the individual listener |
| EP1489599B1 (en) * | 2002-04-26 | 2016-05-11 | Panasonic Intellectual Property Corporation of America | Coding device and decoding device |
| US7081883B2 (en) * | 2002-05-14 | 2006-07-25 | Michael Changcheng Chen | Low-profile multi-channel input device |
| 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 |
| KR101339854B1 (ko) * | 2006-03-15 | 2014-02-06 | 오렌지 | 주 성분 분석에 의해 다중채널 오디오 신호를 인코딩하기 위한 장치 및 방법 |
| EP1841284A1 (en) * | 2006-03-29 | 2007-10-03 | Phonak AG | Hearing instrument for storing encoded audio data, method of operating and manufacturing thereof |
| EP2094032A1 (en) * | 2008-02-19 | 2009-08-26 | Deutsche Thomson OHG | Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same |
| EP2205007B1 (en) * | 2008-12-30 | 2019-01-09 | Dolby International AB | Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction |
| EP2645367B1 (en) * | 2009-02-16 | 2019-11-20 | Electronics and Telecommunications Research Institute | Encoding/decoding method for audio signals using adaptive sinusoidal coding and apparatus thereof |
| KR101795015B1 (ko) * | 2010-03-26 | 2017-11-07 | 돌비 인터네셔널 에이비 | 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치 |
| 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 |
| EP2665208A1 (en) | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| CN102903366A (zh) * | 2012-09-18 | 2013-01-30 | 重庆大学 | 一种基于g729语音压缩编码算法的dsp优化方法 |
| 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 |
-
2013
- 2013-04-29 EP EP13305558.2A patent/EP2800401A1/en not_active Withdrawn
-
2014
- 2014-04-24 KR KR1020217008387A patent/KR102377798B1/ko active Active
- 2014-04-24 CA CA3190353A patent/CA3190353A1/en active Pending
- 2014-04-24 MX MX2015015016A patent/MX347283B/es active IP Right Grant
- 2014-04-24 KR KR1020227030177A patent/KR102672762B1/ko active Active
- 2014-04-24 CA CA3168901A patent/CA3168901C/en active Active
- 2014-04-24 JP JP2016509473A patent/JP6395811B2/ja active Active
- 2014-04-24 EP EP19190807.8A patent/EP3598779B1/en active Active
- 2014-04-24 CA CA3190346A patent/CA3190346A1/en active Pending
- 2014-04-24 EP EP17169936.6A patent/EP3232687B1/en active Active
- 2014-04-24 WO PCT/EP2014/058380 patent/WO2014177455A1/en not_active Ceased
- 2014-04-24 US US14/787,978 patent/US9736607B2/en active Active
- 2014-04-24 MX MX2017005102A patent/MX384230B/es unknown
- 2014-04-24 EP EP21190296.0A patent/EP3926984B1/en active Active
- 2014-04-24 CN CN201710583301.5A patent/CN107293304B/zh active Active
- 2014-04-24 EP EP24203714.1A patent/EP4462430A3/en active Pending
- 2014-04-24 CA CA2907595A patent/CA2907595C/en active Active
- 2014-04-24 CA CA3110057A patent/CA3110057C/en active Active
- 2014-04-24 CA CA3168916A patent/CA3168916C/en active Active
- 2014-04-24 CN CN201480023877.0A patent/CN105144752B/zh active Active
- 2014-04-24 EP EP14723023.9A patent/EP2992689B1/en active Active
- 2014-04-24 KR KR1020247018485A patent/KR102882646B1/ko active Active
- 2014-04-24 CN CN201710583292.XA patent/CN107180639B/zh active Active
- 2014-04-24 CN CN201710583291.5A patent/CN107146627B/zh active Active
- 2014-04-24 CA CA3168906A patent/CA3168906C/en active Active
- 2014-04-24 KR KR1020257036863A patent/KR20250161668A/ko active Pending
- 2014-04-24 KR KR1020227009114A patent/KR102440104B1/ko active Active
- 2014-04-24 MY MYPI2015703265A patent/MY176454A/en unknown
- 2014-04-24 KR KR1020157030836A patent/KR102232486B1/ko active Active
- 2014-04-24 RU RU2015150988A patent/RU2668060C2/ru active
- 2014-04-24 CA CA3168921A patent/CA3168921C/en active Active
- 2014-04-24 CN CN201710583285.XA patent/CN107146626B/zh active Active
-
2015
- 2015-10-27 MX MX2022012179A patent/MX2022012179A/es unknown
- 2015-10-27 MX MX2022012186A patent/MX2022012186A/es unknown
- 2015-10-27 MX MX2020002786A patent/MX2020002786A/es unknown
- 2015-10-27 MX MX2022012180A patent/MX2022012180A/es unknown
-
2017
- 2017-07-14 US US15/650,674 patent/US9913063B2/en active Active
-
2018
- 2018-01-22 US US15/876,442 patent/US10264382B2/en active Active
- 2018-08-28 JP JP2018158976A patent/JP6606241B2/ja active Active
-
2019
- 2019-01-11 MY MYPI2019000036A patent/MY195690A/en unknown
- 2019-04-09 US US16/379,091 patent/US10623878B2/en active Active
- 2019-10-17 JP JP2019190235A patent/JP6818838B2/ja active Active
-
2020
- 2020-04-06 US US16/841,203 patent/US10999688B2/en active Active
- 2020-12-28 JP JP2020218142A patent/JP7023342B2/ja active Active
-
2021
- 2021-04-29 US US17/244,746 patent/US11284210B2/en active Active
-
2022
- 2022-02-08 JP JP2022017626A patent/JP7270788B2/ja active Active
- 2022-03-21 US US17/700,228 patent/US11758344B2/en active Active
- 2022-03-21 US US17/700,390 patent/US11895477B2/en active Active
-
2023
- 2023-04-25 JP JP2023071244A patent/JP7511707B2/ja active Active
-
2024
- 2024-02-02 US US18/431,580 patent/US12317055B2/en active Active
- 2024-06-25 JP JP2024101601A patent/JP7717911B2/ja active Active
-
2025
- 2025-05-21 US US19/214,917 patent/US20250380100A1/en active Pending
- 2025-07-23 JP JP2025123005A patent/JP2025157488A/ja active Pending
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA3190353A1 (en) | Method and apparatus for compressing and decompressing a higher order ambisonics representation | |
| CA2891636C (en) | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field | |
| CN111028849B (zh) | 包括编码hoa表示的位流的解码方法和装置、以及介质 | |
| RU2850051C2 (ru) | Способ и устройство для сжатия и распаковки представления на основе амбиофонии высшего порядка | |
| HK40112183A (en) | Method and apparatus for decompressing a higher order ambisonics representation | |
| HK40056230A (en) | Method and apparatus for decompressing a higher order ambisonics representation | |
| HK40056230B (en) | Method and apparatus for decompressing a higher order ambisonics representation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20230220 |
|
| EEER | Examination request |
Effective date: 20230220 |
|
| EEER | Examination request |
Effective date: 20230220 |
|
| EEER | Examination request |
Effective date: 20230220 |
|
| EEER | Examination request |
Effective date: 20230220 |