CN110415712B - 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 - Google Patents
用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 Download PDFInfo
- Publication number
- CN110415712B CN110415712B CN201910861296.9A CN201910861296A CN110415712B CN 110415712 B CN110415712 B CN 110415712B CN 201910861296 A CN201910861296 A CN 201910861296A CN 110415712 B CN110415712 B CN 110415712B
- Authority
- CN
- China
- Prior art keywords
- hoa
- sound
- representation
- signal
- frame
- 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 abstract description 21
- 239000011159 matrix material Substances 0.000 claims description 35
- 230000005236 sound signal Effects 0.000 claims description 23
- 238000012937 correction Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010606 normalization Methods 0.000 abstract description 12
- 239000013598 vector Substances 0.000 description 48
- 238000012545 processing Methods 0.000 description 20
- 230000006870 function Effects 0.000 description 19
- 238000007906 compression Methods 0.000 description 13
- 230000006835 compression Effects 0.000 description 12
- 230000000875 corresponding effect Effects 0.000 description 12
- 230000008569 process Effects 0.000 description 9
- 238000002156 mixing Methods 0.000 description 8
- 238000005070 sampling Methods 0.000 description 8
- 230000006837 decompression Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000009877 rendering Methods 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000013139 quantization Methods 0.000 description 4
- 241001306293 Ophrys insectifera Species 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003550 marker Substances 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229940050561 matrix product Drugs 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000005428 wave function 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
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910861296.9A CN110415712B (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14306024 | 2014-06-27 | ||
| EP14306024.2 | 2014-06-27 | ||
| CN201910861296.9A CN110415712B (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 |
| PCT/EP2015/063914 WO2015197514A1 (en) | 2014-06-27 | 2015-06-22 | 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 |
| CN201580035125.0A CN106471822B (zh) | 2014-06-27 | 2015-06-22 | 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设备 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580035125.0A Division CN106471822B (zh) | 2014-06-27 | 2015-06-22 | 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设备 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110415712A CN110415712A (zh) | 2019-11-05 |
| CN110415712B true CN110415712B (zh) | 2023-12-12 |
Family
ID=51178840
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910861296.9A Active CN110415712B (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 |
| CN201580035125.0A Active CN106471822B (zh) | 2014-06-27 | 2015-06-22 | 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设备 |
| CN201910861274.2A Active CN110556120B (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 |
| CN201910922110.6A Active CN110662158B (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的压缩hoa声音表示的方法和装置 |
| CN202311556422.2A Pending CN117636885A (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 |
| CN201910861280.8A Active CN110459229B (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 |
| CN202311558626.XA Pending CN117612540A (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 |
Family Applications After (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580035125.0A Active CN106471822B (zh) | 2014-06-27 | 2015-06-22 | 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设备 |
| CN201910861274.2A Active CN110556120B (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 |
| CN201910922110.6A Active CN110662158B (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的压缩hoa声音表示的方法和装置 |
| CN202311556422.2A Pending CN117636885A (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 |
| CN201910861280.8A Active CN110459229B (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 |
| CN202311558626.XA Pending CN117612540A (zh) | 2014-06-27 | 2015-06-22 | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (4) | US9792924B2 (enExample) |
| EP (3) | EP3860154B1 (enExample) |
| JP (5) | JP6641304B2 (enExample) |
| KR (5) | KR102454747B1 (enExample) |
| CN (7) | CN110415712B (enExample) |
| ES (1) | ES2974440T3 (enExample) |
| TW (3) | TWI809394B (enExample) |
| WO (1) | WO2015197514A1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| DE102016104665A1 (de) * | 2016-03-14 | 2017-09-14 | Ask Industries Gmbh | Verfahren und Vorrichtung zur Aufbereitung eines verlustbehaftet komprimierten Audiosignals |
| US10332530B2 (en) | 2017-01-27 | 2019-06-25 | Google Llc | Coding of a soundfield representation |
| US10015618B1 (en) * | 2017-08-01 | 2018-07-03 | Google Llc | Incoherent idempotent ambisonics rendering |
| US10264386B1 (en) * | 2018-02-09 | 2019-04-16 | Google Llc | Directional emphasis in ambisonics |
| GB2572761A (en) * | 2018-04-09 | 2019-10-16 | Nokia Technologies Oy | Quantization of spatial audio parameters |
| AU2019392876B2 (en) | 2018-12-07 | 2023-04-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to DirAC based spatial audio coding using direct component compensation |
| CN116348951A (zh) * | 2020-07-30 | 2023-06-27 | 弗劳恩霍夫应用研究促进协会 | 用于编码音频信号或用于解码经编码音频场景的设备、方法及计算机程序 |
| WO2022082665A1 (en) * | 2020-10-22 | 2022-04-28 | Nokia Shanghai Bell Co., Ltd. | Method, apparatus, and computer program |
| CN113314129B (zh) * | 2021-04-30 | 2022-08-05 | 北京大学 | 一种适应环境的声场重放空间解码方法 |
| CN113345448B (zh) * | 2021-05-12 | 2022-08-05 | 北京大学 | 一种基于独立成分分析的hoa信号压缩方法 |
| CN115376530A (zh) * | 2021-05-17 | 2022-11-22 | 华为技术有限公司 | 三维音频信号编码方法、装置和编码器 |
| CN115376528A (zh) * | 2021-05-17 | 2022-11-22 | 华为技术有限公司 | 三维音频信号编码方法、装置和编码器 |
| CN115376529B (zh) * | 2021-05-17 | 2024-10-11 | 华为技术有限公司 | 三维音频信号编码方法、装置和编码器 |
| CN115497485B (zh) * | 2021-06-18 | 2024-10-18 | 华为技术有限公司 | 三维音频信号编码方法、装置、编码器和系统 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658052A (zh) * | 2007-03-21 | 2010-02-24 | 弗劳恩霍夫应用研究促进协会 | 用于音频重构增强的方法和设备 |
| CN101843114A (zh) * | 2007-11-01 | 2010-09-22 | 诺基亚公司 | 聚焦于用于音频信号的音频场景的一部分 |
| CN101925950A (zh) * | 2008-01-04 | 2010-12-22 | 杜比国际公司 | 音频编码器和解码器 |
| CN102138340A (zh) * | 2008-06-17 | 2011-07-27 | 依耳乐恩斯公司 | 利用由功率和信号组成的结构的光机电听觉设备 |
| TW201301911A (zh) * | 2011-06-30 | 2013-01-01 | Thomson Licensing | 聲訊場景二維或三維高階保真立體音響呈現所含聲音客體相對位置之改變方法和裝置 |
| CN102884570A (zh) * | 2010-04-09 | 2013-01-16 | 杜比国际公司 | 基于mdct的复数预测立体声编码 |
| TW201346890A (zh) * | 2012-05-14 | 2013-11-16 | 湯姆生特許公司 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 |
| WO2014012945A1 (en) * | 2012-07-16 | 2014-01-23 | Thomson Licensing | Method and device for rendering an audio soundfield representation for audio playback |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE522453C2 (sv) * | 2000-02-28 | 2004-02-10 | Scania Cv Ab | Sätt och anordning för styrning av ett mekaniskt tillsatsaggregat i ett motorfordon |
| CN1138254C (zh) * | 2001-03-19 | 2004-02-11 | 北京阜国数字技术有限公司 | 一种基于小波变换的音频信号压缩编/解码方法 |
| CN1926607B (zh) * | 2004-03-01 | 2011-07-06 | 杜比实验室特许公司 | 多信道音频编码 |
| CN1677492A (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 |
| ATE521143T1 (de) * | 2005-02-23 | 2011-09-15 | Ericsson Telefon Ab L M | Adaptive bitzuweisung für die mehrkanal- audiokodierung |
| US8788264B2 (en) * | 2007-06-27 | 2014-07-22 | Nec Corporation | Audio encoding method, audio decoding method, audio encoding device, audio decoding device, program, and audio encoding/decoding system |
| ES2547545T3 (es) * | 2008-09-17 | 2015-10-07 | Panasonic Intellectual Property Management Co., Ltd. | Medio de grabación, dispositivo de reproducción y circuito integrado |
| AU2011231565B2 (en) * | 2010-03-26 | 2014-08-28 | Dolby International Ab | Method and device for decoding an audio soundfield representation for audio playback |
| 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 |
| EP2637427A1 (en) * | 2012-03-06 | 2013-09-11 | Thomson Licensing | Method and apparatus for playback of a higher-order ambisonics audio signal |
| EP2645748A1 (en) * | 2012-03-28 | 2013-10-02 | Thomson Licensing | Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal |
| 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 |
| 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 |
| EP2800401A1 (en) | 2013-04-29 | 2014-11-05 | Thomson Licensing | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| 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 |
-
2015
- 2015-06-22 EP EP21159478.3A patent/EP3860154B1/en active Active
- 2015-06-22 CN CN201910861296.9A patent/CN110415712B/zh active Active
- 2015-06-22 EP EP24158677.5A patent/EP4354432A3/en active Pending
- 2015-06-22 CN CN201580035125.0A patent/CN106471822B/zh active Active
- 2015-06-22 KR KR1020227010252A patent/KR102454747B1/ko active Active
- 2015-06-22 KR KR1020257018085A patent/KR20250085845A/ko active Pending
- 2015-06-22 KR KR1020247010754A patent/KR102816984B1/ko active Active
- 2015-06-22 KR KR1020227035215A patent/KR102654275B1/ko active Active
- 2015-06-22 WO PCT/EP2015/063914 patent/WO2015197514A1/en not_active Ceased
- 2015-06-22 CN CN201910861274.2A patent/CN110556120B/zh active Active
- 2015-06-22 CN CN201910922110.6A patent/CN110662158B/zh active Active
- 2015-06-22 KR KR1020167036547A patent/KR102381202B1/ko active Active
- 2015-06-22 CN CN202311556422.2A patent/CN117636885A/zh active Pending
- 2015-06-22 ES ES21159478T patent/ES2974440T3/es active Active
- 2015-06-22 CN CN201910861280.8A patent/CN110459229B/zh active Active
- 2015-06-22 CN CN202311558626.XA patent/CN117612540A/zh active Pending
- 2015-06-22 US US15/319,707 patent/US9792924B2/en active Active
- 2015-06-22 EP EP15729523.9A patent/EP3162086B1/en active Active
- 2015-06-22 JP JP2016575019A patent/JP6641304B2/ja active Active
- 2015-06-26 TW TW110117878A patent/TWI809394B/zh active
- 2015-06-26 TW TW104120627A patent/TWI679633B/zh active
- 2015-06-26 TW TW108142368A patent/TWI728563B/zh active
-
2017
- 2017-09-12 US US15/702,418 patent/US10037764B2/en active Active
-
2018
- 2018-06-26 US US16/019,288 patent/US10262670B2/en active Active
-
2019
- 2019-04-08 US US16/377,661 patent/US10580426B2/en active Active
- 2019-12-27 JP JP2019237716A patent/JP6874115B2/ja active Active
-
2021
- 2021-04-21 JP JP2021071874A patent/JP7267340B2/ja active Active
-
2023
- 2023-04-19 JP JP2023068243A patent/JP7512470B2/ja active Active
-
2024
- 2024-06-26 JP JP2024102467A patent/JP7751696B2/ja active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658052A (zh) * | 2007-03-21 | 2010-02-24 | 弗劳恩霍夫应用研究促进协会 | 用于音频重构增强的方法和设备 |
| CN101843114A (zh) * | 2007-11-01 | 2010-09-22 | 诺基亚公司 | 聚焦于用于音频信号的音频场景的一部分 |
| CN101925950A (zh) * | 2008-01-04 | 2010-12-22 | 杜比国际公司 | 音频编码器和解码器 |
| CN102138340A (zh) * | 2008-06-17 | 2011-07-27 | 依耳乐恩斯公司 | 利用由功率和信号组成的结构的光机电听觉设备 |
| CN102884570A (zh) * | 2010-04-09 | 2013-01-16 | 杜比国际公司 | 基于mdct的复数预测立体声编码 |
| TW201301911A (zh) * | 2011-06-30 | 2013-01-01 | Thomson Licensing | 聲訊場景二維或三維高階保真立體音響呈現所含聲音客體相對位置之改變方法和裝置 |
| CN103635964A (zh) * | 2011-06-30 | 2014-03-12 | 汤姆逊许可公司 | 改变包含在高阶高保真度立体声响复制表示中声音对象相对位置的方法以及装置 |
| TW201346890A (zh) * | 2012-05-14 | 2013-11-16 | 湯姆生特許公司 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 |
| WO2014012945A1 (en) * | 2012-07-16 | 2014-01-23 | Thomson Licensing | Method and device for rendering an audio soundfield representation for audio playback |
Non-Patent Citations (2)
| Title |
|---|
| ESPRO 2.0 – IMPLEMENTATION OF A SURROUNDING 350-LOUDSPEAKER ARRAY FOR SOUND FIELD REPRODUCTION;MARKUS NOISTERNIG et al;《SPATIAL AUDIO IN TODAY"S 3D WORLD - AES 25th UK CONFERENCE》;20120325;全文 * |
| 三维音频中若干算法研究;彭钰林;《中国优秀博硕士学位论文全文数据库(硕士)信息科技辑》;20130815;全文 * |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110415712B (zh) | 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 | |
| CN112216291B (zh) | 声音或声场的压缩hoa声音表示的解码方法和装置 | |
| CN112908349B (zh) | 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和设备 | |
| CN113793618B (zh) | 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 | |
| HK40064597A (en) | Method for determining for the compression of an hoa data frame representation a lowest integer number of bits required for representing non-differential gain values | |
| HK40064596A (en) | Method for determining for the compression of an hoa data frame representation a lowest integer number of bits required for representing non-differential gain values | |
| HK40050669A (en) | 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 | |
| HK40053165A (en) | 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 | |
| HK40045794B (en) | 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 | |
| HK40039253A (en) | Method and apparatus for decoding a higher order ambisonics (hoa) representation of a sound or soundfield | |
| HK40010362A (en) | Method for decoding a higher order ambisonics (hoa) representation of a sound or soundfield | |
| HK40013036A (en) | Method for decoding a higher order ambisonics (hoa) representation of a sound or soundfield | |
| HK40013036B (en) | Method for decoding a higher order ambisonics (hoa) representation of a sound or soundfield | |
| HK40014969B (en) | Method for decoding a higher order ambisonics (hoa) representation of a sound or soundfield | |
| HK40014969A (en) | Method for decoding a higher order ambisonics (hoa) representation of a sound or soundfield | |
| HK40012717A (en) | Method and apparatus of decoding a compressed hoa sound representation of a sound or sound field | |
| HK40012717B (en) | Method and apparatus of decoding a compressed hoa sound representation of a sound or sound field | |
| HK1233104A1 (en) | 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 | |
| HK1233043A1 (en) | Method for determining for the compression of an hoa data frame representation a lowest integer number of bits required for representing non-differential gain values | |
| HK1233044A1 (en) | 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 | |
| HK1238407A1 (en) | Coded hoa data frame representation that includes non-differential gain values associated with channel signals of specific ones of the data frames of an hoa data frame representation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 40010362 Country of ref document: HK |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TG01 | Patent term adjustment | ||
| TG01 | Patent term adjustment |