CA3125248C - Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field - Google Patents
Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field Download PDFInfo
- Publication number
- CA3125248C CA3125248C CA3125248A CA3125248A CA3125248C CA 3125248 C CA3125248 C CA 3125248C CA 3125248 A CA3125248 A CA 3125248A CA 3125248 A CA3125248 A CA 3125248A CA 3125248 C CA3125248 C CA 3125248C
- Authority
- CA
- Canada
- Prior art keywords
- hoa
- signals
- residual
- directional signals
- decompressed
- 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
- 238000000034 method Methods 0.000 title claims description 23
- 230000006835 compression Effects 0.000 abstract description 19
- 238000007906 compression Methods 0.000 abstract description 19
- 238000005070 sampling Methods 0.000 abstract description 11
- 230000005428 wave function Effects 0.000 abstract description 11
- 230000009467 reduction Effects 0.000 abstract description 9
- 239000000306 component Substances 0.000 description 70
- 230000000875 corresponding effect Effects 0.000 description 22
- 230000006870 function Effects 0.000 description 21
- 239000011159 matrix material Substances 0.000 description 15
- 230000006837 decompression Effects 0.000 description 12
- 230000009271 DNA damage immune response Effects 0.000 description 11
- 238000000354 decomposition reaction Methods 0.000 description 10
- 238000013459 approach Methods 0.000 description 7
- 238000009499 grossing Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- ZUXNHFFVQWADJL-UHFFFAOYSA-N 3,4,5-trimethoxy-n-(2-methoxyethyl)-n-(4-phenyl-1,3-thiazol-2-yl)benzamide Chemical compound N=1C(C=2C=CC=CC=2)=CSC=1N(CCOC)C(=O)C1=CC(OC)=C(OC)C(OC)=C1 ZUXNHFFVQWADJL-UHFFFAOYSA-N 0.000 description 4
- 101150017489 WIN2 gene Proteins 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 101150078570 WIN1 gene Proteins 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009877 rendering Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005314 correlation function Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 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 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 108010039224 Amidophosphoribosyltransferase Proteins 0.000 description 1
- 101100277808 Arabidopsis thaliana DIR4 gene Proteins 0.000 description 1
- 101100432135 Caenorhabditis elegans lap-2 gene Proteins 0.000 description 1
- 101000830713 Homo sapiens Torsin-3A Proteins 0.000 description 1
- 101710148027 Ribulose bisphosphate carboxylase/oxygenase activase 1, chloroplastic Proteins 0.000 description 1
- 102100024603 Torsin-3A 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
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000001131 transforming effect Effects 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
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
-
- 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
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
- H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- 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)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Percussion Or Vibration Massage (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12306569.0A EP2743922A1 (en) | 2012-12-12 | 2012-12-12 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| EP12306569.0 | 2012-12-12 | ||
| CA2891636A CA2891636C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2891636A Division CA2891636C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA3125248A1 CA3125248A1 (en) | 2014-06-19 |
| CA3125248C true CA3125248C (en) | 2023-03-07 |
Family
ID=47715805
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3125228A Active CA3125228C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3125246A Active CA3125246C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA2891636A Active CA2891636C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3125248A Active CA3125248C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3168322A Active CA3168322C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3168326A Pending CA3168326A1 (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3125228A Active CA3125228C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3125246A Active CA3125246C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA2891636A Active CA2891636C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3168322A Active CA3168322C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3168326A Pending CA3168326A1 (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
Country Status (11)
| Country | Link |
|---|---|
| US (7) | US9646618B2 (cg-RX-API-DMAC7.html) |
| EP (5) | EP2743922A1 (cg-RX-API-DMAC7.html) |
| JP (7) | JP6285458B2 (cg-RX-API-DMAC7.html) |
| KR (5) | KR20240068780A (cg-RX-API-DMAC7.html) |
| CN (9) | CN117392989A (cg-RX-API-DMAC7.html) |
| CA (6) | CA3125228C (cg-RX-API-DMAC7.html) |
| MX (7) | MX395017B (cg-RX-API-DMAC7.html) |
| MY (2) | MY169354A (cg-RX-API-DMAC7.html) |
| RU (2) | RU2623886C2 (cg-RX-API-DMAC7.html) |
| TW (6) | TWI681386B (cg-RX-API-DMAC7.html) |
| WO (1) | WO2014090660A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (52)
| 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 |
| 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 |
| US9685163B2 (en) | 2013-03-01 | 2017-06-20 | Qualcomm Incorporated | Transforming spherical harmonic coefficients |
| 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 |
| US9854377B2 (en) | 2013-05-29 | 2017-12-26 | Qualcomm Incorporated | Interpolation for decomposed representations of a sound field |
| 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 |
| KR102686291B1 (ko) * | 2014-01-08 | 2024-07-19 | 돌비 인터네셔널 에이비 | 사운드 필드의 고차 앰비소닉스 표현을 코딩하기 위해 요구되는 사이드 정보의 코딩을 개선하기 위한 방법 및 장치 |
| US9489955B2 (en) | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| 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 |
| KR102144976B1 (ko) | 2014-03-21 | 2020-08-14 | 돌비 인터네셔널 에이비 | 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치 |
| KR102201961B1 (ko) | 2014-03-21 | 2021-01-12 | 돌비 인터네셔널 에이비 | 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치 |
| US9620137B2 (en) | 2014-05-16 | 2017-04-11 | Qualcomm Incorporated | Determining between scalar and vector quantization in higher order ambisonic coefficients |
| 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 |
| JP6641304B2 (ja) * | 2014-06-27 | 2020-02-05 | ドルビー・インターナショナル・アーベー | 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置 |
| KR20240047489A (ko) | 2014-06-27 | 2024-04-12 | 돌비 인터네셔널 에이비 | Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 방법 |
| 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 |
| KR102410307B1 (ko) * | 2014-06-27 | 2022-06-20 | 돌비 인터네셔널 에이비 | Hoa 데이터 프레임 표현의 데이터 프레임들 중 특정 데이터 프레임들의 채널 신호들과 연관된 비차분 이득 값들을 포함하는 코딩된 hoa 데이터 프레임 표현 |
| KR102460820B1 (ko) * | 2014-07-02 | 2022-10-31 | 돌비 인터네셔널 에이비 | Ｈｏａ 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 위한 방법 및 장치 |
| JP6585095B2 (ja) * | 2014-07-02 | 2019-10-02 | ドルビー・インターナショナル・アーベー | 圧縮ｈｏａ表現をデコードする方法および装置ならびに圧縮ｈｏａ表現をエンコードする方法および装置 |
| EP3164866A1 (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 |
| US9838819B2 (en) | 2014-07-02 | 2017-12-05 | Qualcomm Incorporated | Reducing correlation between higher order ambisonic (HOA) background channels |
| 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 |
| 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 |
| US9847088B2 (en) * | 2014-08-29 | 2017-12-19 | Qualcomm Incorporated | Intermediate compression for 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 |
| US10140996B2 (en) * | 2014-10-10 | 2018-11-27 | Qualcomm Incorporated | Signaling layers for scalable coding of higher order ambisonic audio data |
| 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 |
| US12087311B2 (en) | 2015-07-30 | 2024-09-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding an HOA representation |
| US10257632B2 (en) | 2015-08-31 | 2019-04-09 | Dolby Laboratories Licensing Corporation | 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 |
| US10249312B2 (en) * | 2015-10-08 | 2019-04-02 | Qualcomm Incorporated | Quantization of spatial vectors |
| US9961475B2 (en) | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from object-based audio to HOA |
| US9961467B2 (en) | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from channel-based audio to HOA |
| SG11201803909TA (en) * | 2015-11-17 | 2018-06-28 | Dolby Laboratories Licensing Corp | Headtracking for parametric binaural output system and method |
| US9881628B2 (en) * | 2016-01-05 | 2018-01-30 | Qualcomm Incorporated | Mixed domain coding of audio |
| KR102091460B1 (ko) * | 2016-01-27 | 2020-03-20 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 음장 데이터를 처리하는 장치 및 방법 |
| KR102261905B1 (ko) | 2016-03-15 | 2021-06-08 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 음장 기술을 생성하기 위한 장치, 방법, 또는 컴퓨터 프로그램 |
| CN107945810B (zh) * | 2016-10-13 | 2021-12-14 | 杭州米谟科技有限公司 | 用于编码和解码hoa或多声道数据的方法和装置 |
| US10332530B2 (en) * | 2017-01-27 | 2019-06-25 | Google Llc | Coding of a soundfield representation |
| US10777209B1 (en) | 2017-05-01 | 2020-09-15 | Panasonic Intellectual Property Corporation Of America | Coding apparatus and coding method |
| US10657974B2 (en) * | 2017-12-21 | 2020-05-19 | Qualcomm Incorporated | Priority information for higher order ambisonic audio data |
| US10264386B1 (en) * | 2018-02-09 | 2019-04-16 | Google Llc | Directional emphasis in ambisonics |
| JP2019213109A (ja) * | 2018-06-07 | 2019-12-12 | 日本電信電話株式会社 | 音場信号推定装置、音場信号推定方法、プログラム |
| CN111193990B (zh) * | 2020-01-06 | 2021-01-19 | 北京大学 | 一种抗高频空间混叠的3d音频系统及实现方法 |
| GB2598932A (en) * | 2020-09-18 | 2022-03-23 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| 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 |
| WO2023147864A1 (en) * | 2022-02-03 | 2023-08-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method to transform an audio stream |
| CN114928788B (zh) * | 2022-04-10 | 2025-02-21 | 西北工业大学 | 一种基于稀疏平面波分解的声场重放空间解码方法 |
| TWI865895B (zh) * | 2022-07-19 | 2024-12-11 | 盛微先進科技股份有限公司 | 用於無線通訊之音頻壓縮系統及音頻壓縮方法 |
Family Cites Families (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG45281A1 (en) * | 1992-06-26 | 1998-01-16 | Discovision Ass | Method and arrangement for transformation of signals from a frequency to a time domain |
| JP2004500595A (ja) | 1999-11-12 | 2004-01-08 | ジェリー・モスコヴィッチ | 水平方向３スクリーンｌｃｄ表示装置 |
| FR2801108B1 (fr) | 1999-11-16 | 2002-03-01 | Maxmat S A | Analyseur chimique ou biochimique a regulation de la temperature reactionnelle |
| US6678647B1 (en) | 2000-06-02 | 2004-01-13 | Agere Systems Inc. | Perceptual coding of audio signals using cascaded filterbanks for performing irrelevancy reduction and redundancy reduction with different spectral/temporal resolution |
| US6934676B2 (en) | 2001-05-11 | 2005-08-23 | Nokia Mobile Phones Ltd. | Method and system for inter-channel signal redundancy removal in perceptual audio coding |
| US8009966B2 (en) * | 2002-11-01 | 2011-08-30 | Synchro Arts Limited | Methods and apparatus for use in sound replacement with automatic synchronization to images |
| JP4804532B2 (ja) * | 2005-04-15 | 2011-11-02 | ドルビー インターナショナル アクチボラゲット | 無相関信号の包絡線整形 |
| US7983922B2 (en) * | 2005-04-15 | 2011-07-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing |
| US8139685B2 (en) * | 2005-05-10 | 2012-03-20 | Qualcomm Incorporated | Systems, methods, and apparatus for frequency control |
| JP4616074B2 (ja) * | 2005-05-16 | 2011-01-19 | 株式会社エヌ・ティ・ティ・ドコモ | アクセスルータ、サービス制御システム、サービス制御方法 |
| TW200715145A (en) * | 2005-10-12 | 2007-04-16 | Lin Hui | File compression method of digital sound signals |
| US8374365B2 (en) * | 2006-05-17 | 2013-02-12 | Creative Technology Ltd | Spatial audio analysis and synthesis for binaural reproduction and format conversion |
| US8165124B2 (en) * | 2006-10-13 | 2012-04-24 | Qualcomm Incorporated | Message compression methods and apparatus |
| WO2008096313A1 (en) * | 2007-02-06 | 2008-08-14 | Koninklijke Philips Electronics N.V. | Low complexity parametric stereo decoder |
| CN101647059B (zh) | 2007-02-26 | 2012-09-05 | 杜比实验室特许公司 | 增强娱乐音频中的语音的方法和设备 |
| FR2916078A1 (fr) * | 2007-05-10 | 2008-11-14 | France Telecom | Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes |
| GB2453117B (en) * | 2007-09-25 | 2012-05-23 | Motorola Mobility Inc | Apparatus and method for encoding a multi channel audio signal |
| CN101884065B (zh) | 2007-10-03 | 2013-07-10 | 创新科技有限公司 | 用于双耳再现和格式转换的空间音频分析和合成的方法 |
| WO2009067741A1 (en) * | 2007-11-27 | 2009-06-04 | Acouity Pty Ltd | Bandwidth compression of parametric soundfield representations for transmission and storage |
| WO2010007784A1 (ja) | 2008-07-15 | 2010-01-21 | 株式会社ジェイテクト | 車両用操舵装置 |
| EP2205007B1 (en) * | 2008-12-30 | 2019-01-09 | Dolby International AB | Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction |
| BR122019023877B1 (pt) * | 2009-03-17 | 2021-08-17 | Dolby International Ab | Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo |
| US20100296579A1 (en) * | 2009-05-22 | 2010-11-25 | Qualcomm Incorporated | Adaptive picture type decision for video coding |
| ES2690164T3 (es) * | 2009-06-25 | 2018-11-19 | Dts Licensing Limited | Dispositivo y método para convertir una señal de audio espacial |
| EP2268064A1 (en) * | 2009-06-25 | 2010-12-29 | Berges Allmenndigitale Rädgivningstjeneste | Device and method for converting spatial audio signal |
| EP2486561B1 (en) * | 2009-10-07 | 2016-03-30 | The University Of Sydney | Reconstruction of a recorded sound field |
| KR101717787B1 (ko) * | 2010-04-29 | 2017-03-17 | 엘지전자 주식회사 | 디스플레이장치 및 그의 음성신호 출력 방법 |
| CN101977349A (zh) * | 2010-09-29 | 2011-02-16 | 华南理工大学 | Ambisonic声重发系统解码的优化改进方法 |
| US8855341B2 (en) * | 2010-10-25 | 2014-10-07 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for head tracking based on recorded sound signals |
| 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 |
| EP2665208A1 (en) * | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| US9190065B2 (en) * | 2012-07-15 | 2015-11-17 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients |
| US9288603B2 (en) * | 2012-07-15 | 2016-03-15 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
| EP2688066A1 (en) | 2012-07-16 | 2014-01-22 | Thomson Licensing | Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction |
| KR102201713B1 (ko) * | 2012-07-19 | 2021-01-12 | 돌비 인터네셔널 에이비 | 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스 |
| 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 |
| US9854377B2 (en) * | 2013-05-29 | 2017-12-26 | Qualcomm Incorporated | Interpolation for decomposed representations of a sound field |
-
2012
- 2012-12-12 EP EP12306569.0A patent/EP2743922A1/en not_active Withdrawn
-
2013
- 2013-12-04 CA CA3125228A patent/CA3125228C/en active Active
- 2013-12-04 JP JP2015546945A patent/JP6285458B2/ja active Active
- 2013-12-04 CN CN202311300470.5A patent/CN117392989A/zh active Pending
- 2013-12-04 CN CN201910024906.XA patent/CN109545235B/zh active Active
- 2013-12-04 KR KR1020247014936A patent/KR20240068780A/ko active Pending
- 2013-12-04 CN CN201910024898.9A patent/CN109448743B/zh active Active
- 2013-12-04 RU RU2015128090A patent/RU2623886C2/ru active
- 2013-12-04 KR KR1020157015332A patent/KR102202973B1/ko active Active
- 2013-12-04 KR KR1020237020580A patent/KR102664626B1/ko active Active
- 2013-12-04 EP EP21209477.5A patent/EP3996090B1/en active Active
- 2013-12-04 EP EP18196348.9A patent/EP3496096B1/en active Active
- 2013-12-04 CN CN202310889802.1A patent/CN117037813A/zh active Pending
- 2013-12-04 CA CA3125246A patent/CA3125246C/en active Active
- 2013-12-04 EP EP25152324.7A patent/EP4553829A1/en active Pending
- 2013-12-04 CA CA2891636A patent/CA2891636C/en active Active
- 2013-12-04 MX MX2017000541A patent/MX395017B/es unknown
- 2013-12-04 CA CA3125248A patent/CA3125248C/en active Active
- 2013-12-04 CN CN201910024894.0A patent/CN109410965B/zh active Active
- 2013-12-04 CA CA3168322A patent/CA3168322C/en active Active
- 2013-12-04 CN CN201910024905.5A patent/CN109616130B/zh active Active
- 2013-12-04 US US14/651,313 patent/US9646618B2/en active Active
- 2013-12-04 CN CN201910024895.5A patent/CN109448742B/zh active Active
- 2013-12-04 MX MX2015007349A patent/MX344988B/es active IP Right Grant
- 2013-12-04 MY MYPI2015001234A patent/MY169354A/en unknown
- 2013-12-04 WO PCT/EP2013/075559 patent/WO2014090660A1/en not_active Ceased
- 2013-12-04 EP EP13801563.1A patent/EP2932502B1/en active Active
- 2013-12-04 RU RU2017118830A patent/RU2744489C2/ru active
- 2013-12-04 CA CA3168326A patent/CA3168326A1/en active Pending
- 2013-12-04 CN CN202310889797.4A patent/CN117037812A/zh active Pending
- 2013-12-04 CN CN201380064856.9A patent/CN104854655B/zh active Active
- 2013-12-04 KR KR1020227026512A patent/KR102546541B1/ko active Active
- 2013-12-04 KR KR1020217000640A patent/KR102428842B1/ko active Active
- 2013-12-05 TW TW107135270A patent/TWI681386B/zh active
- 2013-12-05 TW TW111146080A patent/TWI868526B/zh active
- 2013-12-05 TW TW106137200A patent/TWI645397B/zh active
- 2013-12-05 TW TW110115843A patent/TWI788833B/zh active
- 2013-12-05 TW TW102144508A patent/TWI611397B/zh active
- 2013-12-05 TW TW108142367A patent/TWI729581B/zh active
-
2015
- 2015-06-10 MX MX2022008693A patent/MX2022008693A/es unknown
- 2015-06-10 MX MX2022008695A patent/MX2022008695A/es unknown
- 2015-06-10 MX MX2023008863A patent/MX2023008863A/es unknown
- 2015-06-10 MX MX2022008694A patent/MX2022008694A/es unknown
- 2015-06-10 MX MX2022008697A patent/MX2022008697A/es unknown
-
2017
- 2017-02-16 US US15/435,175 patent/US10038965B2/en active Active
-
2018
- 2018-02-01 JP JP2018016193A patent/JP6640890B2/ja active Active
- 2018-06-26 US US16/019,256 patent/US10257635B2/en active Active
- 2018-11-07 MY MYPI2018704146A patent/MY191376A/en unknown
-
2019
- 2019-02-14 US US16/276,363 patent/US10609501B2/en active Active
- 2019-12-26 JP JP2019235978A patent/JP6869322B2/ja active Active
-
2020
- 2020-03-25 US US16/828,961 patent/US11184730B2/en active Active
-
2021
- 2021-04-13 JP JP2021067565A patent/JP7100172B2/ja active Active
- 2021-11-22 US US17/532,246 patent/US11546712B2/en active Active
-
2022
- 2022-06-30 JP JP2022105790A patent/JP7353427B2/ja active Active
- 2022-12-19 US US18/068,096 patent/US12425791B2/en active Active
-
2023
- 2023-09-19 JP JP2023151430A patent/JP7661431B2/ja active Active
-
2025
- 2025-04-02 JP JP2025060899A patent/JP2025108471A/ja active Pending
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA3125248C (en) | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field | |
| RU2847553C1 (ru) | Способ и устройство для сжатия и восстановления представления системы амбисоник высшего порядка для звукового поля | |
| RU2823441C9 (ru) | Способ и устройство для сжатия и восстановления представления системы амбисоник высшего порядка для звукового поля | |
| RU2823441C2 (ru) | Способ и устройство для сжатия и восстановления представления системы амбисоник высшего порядка для звукового поля | |
| HK40063447A (en) | Method and apparatus for decompressing a higher order ambi-sonics representation for a sound field | |
| HK40063447B (en) | Method and apparatus for decompressing a higher order ambi-sonics representation for a sound field | |
| HK1216356B (en) | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20210720 |
|
| EEER | Examination request |
Effective date: 20210720 |
|
| EEER | Examination request |
Effective date: 20210720 |
|
| EEER | Examination request |
Effective date: 20210720 |
|
| EEER | Examination request |
Effective date: 20210720 |
|
| EEER | Examination request |
Effective date: 20210720 |
|
| EEER | Examination request |
Effective date: 20210720 |
|
| EEER | Examination request |
Effective date: 20210720 |