CN110459230B - 产生hoa信号的混合的空间/系数域表示的方法和设备 - Google Patents
产生hoa信号的混合的空间/系数域表示的方法和设备 Download PDFInfo
- Publication number
- CN110459230B CN110459230B CN201910918525.6A CN201910918525A CN110459230B CN 110459230 B CN110459230 B CN 110459230B CN 201910918525 A CN201910918525 A CN 201910918525A CN 110459230 B CN110459230 B CN 110459230B
- Authority
- CN
- China
- Prior art keywords
- vector
- hoa
- signal
- signals
- coefficient
- 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 27
- 239000013598 vector Substances 0.000 claims abstract description 137
- 239000011159 matrix material Substances 0.000 claims description 24
- 230000009466 transformation Effects 0.000 claims description 18
- 230000005236 sound signal Effects 0.000 claims 1
- 230000001131 transforming effect Effects 0.000 claims 1
- 238000010606 normalization Methods 0.000 description 39
- 230000000875 corresponding effect Effects 0.000 description 18
- 230000005540 biological transmission Effects 0.000 description 15
- 230000008569 process Effects 0.000 description 13
- 230000003044 adaptive effect Effects 0.000 description 11
- 238000009499 grossing Methods 0.000 description 7
- 230000002123 temporal effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000013139 quantization Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003595 spectral 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
- 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
- H04S2420/11—Application of ambisonics in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Stereophonic System (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Error Detection And Correction (AREA)
- Image Processing (AREA)
- Radio Relay Systems (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918525.6A CN110459230B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20130305986 EP2824661A1 (en) | 2013-07-11 | 2013-07-11 | Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals |
| EP13305986.5 | 2013-07-11 | ||
| CN201910918525.6A CN110459230B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN201480038940.8A CN105378833B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| PCT/EP2014/063306 WO2015003900A1 (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480038940.8A Division CN105378833B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110459230A CN110459230A (zh) | 2019-11-15 |
| CN110459230B true CN110459230B (zh) | 2023-10-20 |
Family
ID=48915948
Family Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910918525.6A Active CN110459230B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN202310731179.7A Pending CN116564321A (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN201910918531.1A Active CN110491397B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN202311170904.4A Pending CN117275492A (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN201910918534.5A Active CN110459231B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN201910919535.1A Active CN110648675B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN201480038940.8A Active CN105378833B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN202311075476.7A Pending CN116884421A (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN202311075024.9A Pending CN117116273A (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
Family Applications After (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310731179.7A Pending CN116564321A (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN201910918531.1A Active CN110491397B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN202311170904.4A Pending CN117275492A (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN201910918534.5A Active CN110459231B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN201910919535.1A Active CN110648675B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN201480038940.8A Active CN105378833B (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN202311075476.7A Pending CN116884421A (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
| CN202311075024.9A Pending CN117116273A (zh) | 2013-07-11 | 2014-06-24 | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
Country Status (14)
| Country | Link |
|---|---|
| US (9) | US9668079B2 (enExample) |
| EP (5) | EP2824661A1 (enExample) |
| JP (5) | JP6490068B2 (enExample) |
| KR (5) | KR102534163B1 (enExample) |
| CN (9) | CN110459230B (enExample) |
| AU (4) | AU2014289527B2 (enExample) |
| BR (3) | BR122017013717B1 (enExample) |
| CA (4) | CA3131695C (enExample) |
| MX (2) | MX378436B (enExample) |
| MY (3) | MY199036A (enExample) |
| RU (1) | RU2670797C9 (enExample) |
| TW (6) | TWI779381B (enExample) |
| WO (1) | WO2015003900A1 (enExample) |
| ZA (8) | ZA201508710B (enExample) |
Families Citing this family (16)
| 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 |
| 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 |
| CN119864039A (zh) | 2014-06-27 | 2025-04-22 | 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 |
| EP3162086B1 (en) | 2014-06-27 | 2021-04-07 | Dolby International AB | 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 |
| 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 |
| JP6656182B2 (ja) | 2014-06-27 | 2020-03-04 | ドルビー・インターナショナル・アーベー | Ｈｏａデータ・フレーム表現のデータ・フレームの個々のもののチャネル信号に関連付けられた非差分的な利得値を含む符号化されたｈｏａデータ・フレーム表現 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| US9847088B2 (en) | 2014-08-29 | 2017-12-19 | Qualcomm Incorporated | Intermediate compression for higher order ambisonic audio data |
| US9875745B2 (en) * | 2014-10-07 | 2018-01-23 | Qualcomm Incorporated | Normalization of ambient higher order ambisonic audio data |
| WO2017017262A1 (en) * | 2015-07-30 | 2017-02-02 | 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 |
| US12183352B2 (en) * | 2022-09-15 | 2024-12-31 | Sony Interactive Entertainment Inc. | Multi-order optimized Ambisonics decoding |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547549A (zh) * | 2010-12-21 | 2012-07-04 | 汤姆森特许公司 | 编码解码2或3维声场环绕声表示的连续帧的方法和装置 |
| CN102823277A (zh) * | 2010-03-26 | 2012-12-12 | 汤姆森特许公司 | 解码用于音频回放的音频声场表示的方法和装置 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19526366A1 (de) * | 1995-07-20 | 1997-01-23 | Bosch Gmbh Robert | Verfahren zur Redundanzreduktion bei der Codierung von mehrkanaligen Signalen und Vorrichtung zur Dekodierung von redundanzreduzierten, mehrkanaligen Signalen |
| US5754733A (en) * | 1995-08-01 | 1998-05-19 | Qualcomm Incorporated | Method and apparatus for generating and encoding line spectral square roots |
| CN1222996A (zh) * | 1997-02-10 | 1999-07-14 | 皇家菲利浦电子有限公司 | 用于传输语音信号的传输系统 |
| TW348684U (en) | 1997-10-20 | 1998-12-21 | Han An Shr | Folding connection for tilting connecting rods |
| US8605911B2 (en) * | 2001-07-10 | 2013-12-10 | Dolby International Ab | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| FR2847376B1 (fr) * | 2002-11-19 | 2005-02-04 | France Telecom | Procede de traitement de donnees sonores et dispositif d'acquisition sonore mettant en oeuvre ce procede |
| TWI360361B (en) * | 2004-04-13 | 2012-03-11 | Qualcomm Inc | Multimedia communication using co-located care of |
| US7930176B2 (en) * | 2005-05-20 | 2011-04-19 | Broadcom Corporation | Packet loss concealment for block-independent speech codecs |
| BRPI0609897A2 (pt) * | 2005-05-25 | 2011-10-11 | Koninkl Philips Electronics Nv | codificador, decodificador, método para codificação de um sinal de multicanal, sinal de multicanal codificado, produto programa de computador, transmissor, receptor, sistema de transmissão, métodos de transmissão e de recebimento de um sinal de multicanal, dispositivos de registro e de reprodução de áudio, e, meio de armazenamento |
| US7831434B2 (en) * | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
| CN101136905B (zh) * | 2006-08-31 | 2010-09-08 | 华为技术有限公司 | 移动IPv6中的绑定更新方法及移动IPv6通讯系统 |
| WO2010013450A1 (ja) * | 2008-07-29 | 2010-02-04 | パナソニック株式会社 | 音響符号化装置、音響復号化装置、音響符号化復号化装置および会議システム |
| EP2154910A1 (en) * | 2008-08-13 | 2010-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for merging spatial audio streams |
| EP2205007B1 (en) * | 2008-12-30 | 2019-01-09 | Dolby International AB | Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction |
| WO2010086342A1 (en) * | 2009-01-28 | 2010-08-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, method for encoding an input audio information, method for decoding an input audio information and computer program using improved coding tables |
| CN102081926B (zh) * | 2009-11-27 | 2013-06-05 | 中兴通讯股份有限公司 | 格型矢量量化音频编解码方法和系统 |
| US8879771B2 (en) * | 2010-04-08 | 2014-11-04 | Nokia Corporation | Apparatus and method for sound reproduction |
| CA3125378C (en) * | 2010-04-09 | 2023-02-07 | Dolby International Ab | Audio upmixer operable in prediction or non-prediction mode |
| 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 |
| EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| US20120321816A1 (en) | 2011-06-14 | 2012-12-20 | Xerox Corporation | Systems and methods for leveling inks |
| 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 |
| JP2013050663A (ja) * | 2011-08-31 | 2013-03-14 | Nippon Hoso Kyokai <Nhk> | 多チャネル音響符号化装置およびそのプログラム |
| JP2013133366A (ja) | 2011-12-26 | 2013-07-08 | Sekisui Film Kk | 接着性フィルム、並びにこれを用いてなる太陽電池用封止フィルム、合わせガラス用中間フィルム、太陽電池及び合わせガラス |
| 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 |
| CN102982805B (zh) * | 2012-12-27 | 2014-11-19 | 北京理工大学 | 一种基于张量分解的多声道音频信号压缩方法 |
| 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 |
-
2013
- 2013-07-11 EP EP20130305986 patent/EP2824661A1/en not_active Withdrawn
-
2014
- 2014-06-24 BR BR122017013717-4A patent/BR122017013717B1/pt active IP Right Grant
- 2014-06-24 EP EP24190333.5A patent/EP4456567A3/en active Pending
- 2014-06-24 CN CN201910918525.6A patent/CN110459230B/zh active Active
- 2014-06-24 CN CN202310731179.7A patent/CN116564321A/zh active Pending
- 2014-06-24 CN CN201910918531.1A patent/CN110491397B/zh active Active
- 2014-06-24 KR KR1020227011971A patent/KR102534163B1/ko active Active
- 2014-06-24 MX MX2018002256A patent/MX378436B/es unknown
- 2014-06-24 MX MX2016000003A patent/MX354300B/es active IP Right Grant
- 2014-06-24 JP JP2016524725A patent/JP6490068B2/ja active Active
- 2014-06-24 WO PCT/EP2014/063306 patent/WO2015003900A1/en not_active Ceased
- 2014-06-24 RU RU2016104403A patent/RU2670797C9/ru active
- 2014-06-24 EP EP14732876.9A patent/EP3020041B1/en active Active
- 2014-06-24 CN CN202311170904.4A patent/CN117275492A/zh active Pending
- 2014-06-24 AU AU2014289527A patent/AU2014289527B2/en active Active
- 2014-06-24 KR KR1020237016461A patent/KR102658702B1/ko active Active
- 2014-06-24 MY MYPI2019002673A patent/MY199036A/en unknown
- 2014-06-24 BR BR122020017865-5A patent/BR122020017865B1/pt active IP Right Grant
- 2014-06-24 CN CN201910918534.5A patent/CN110459231B/zh active Active
- 2014-06-24 EP EP21216783.7A patent/EP4012704B1/en active Active
- 2014-06-24 BR BR112016000245-8A patent/BR112016000245B1/pt active IP Right Grant
- 2014-06-24 US US14/904,406 patent/US9668079B2/en active Active
- 2014-06-24 CA CA3131695A patent/CA3131695C/en active Active
- 2014-06-24 KR KR1020217006813A patent/KR102386726B1/ko active Active
- 2014-06-24 KR KR1020167000562A patent/KR102226620B1/ko active Active
- 2014-06-24 KR KR1020247012405A patent/KR20240055139A/ko active Pending
- 2014-06-24 CA CA2914904A patent/CA2914904C/en active Active
- 2014-06-24 CA CA3209871A patent/CA3209871A1/en active Pending
- 2014-06-24 CA CA3131690A patent/CA3131690C/en active Active
- 2014-06-24 MY MYPI2015704551A patent/MY174125A/en unknown
- 2014-06-24 CN CN201910919535.1A patent/CN110648675B/zh active Active
- 2014-06-24 MY MYPI2019002672A patent/MY192149A/en unknown
- 2014-06-24 CN CN201480038940.8A patent/CN105378833B/zh active Active
- 2014-06-24 EP EP18205365.2A patent/EP3518235B1/en active Active
- 2014-06-24 CN CN202311075476.7A patent/CN116884421A/zh active Pending
- 2014-06-24 CN CN202311075024.9A patent/CN117116273A/zh active Pending
- 2014-07-04 TW TW109137943A patent/TWI779381B/zh active
- 2014-07-04 TW TW103123079A patent/TWI633539B/zh active
- 2014-07-04 TW TW107115309A patent/TWI669706B/zh active
- 2014-07-04 TW TW111133302A patent/TWI871529B/zh active
- 2014-07-04 TW TW108127251A patent/TWI712034B/zh active
- 2014-07-04 TW TW113149457A patent/TW202516945A/zh unknown
-
2015
- 2015-11-26 ZA ZA2015/08710A patent/ZA201508710B/en unknown
-
2017
- 2017-05-05 US US15/588,320 patent/US9900721B2/en active Active
- 2017-10-23 US US15/790,375 patent/US10382876B2/en active Active
-
2018
- 2018-11-23 ZA ZA2018/07916A patent/ZA201807916B/en unknown
-
2019
- 2019-02-26 JP JP2019032748A patent/JP6792011B2/ja active Active
- 2019-05-28 ZA ZA2019/03363A patent/ZA201903363B/en unknown
- 2019-07-29 US US16/525,074 patent/US10841721B2/en active Active
-
2020
- 2020-05-28 ZA ZA2020/03171A patent/ZA202003171B/en unknown
- 2020-06-25 AU AU2020204222A patent/AU2020204222B2/en active Active
- 2020-11-05 JP JP2020184838A patent/JP7158452B2/ja active Active
- 2020-11-16 US US17/099,120 patent/US11297455B2/en active Active
-
2022
- 2022-03-10 ZA ZA2022/02892A patent/ZA202202892B/en unknown
- 2022-03-10 ZA ZA2022/02891A patent/ZA202202891B/en unknown
- 2022-04-01 US US17/711,029 patent/US11540076B2/en active Active
- 2022-06-20 AU AU2022204314A patent/AU2022204314B2/en active Active
- 2022-10-11 JP JP2022163123A patent/JP7504174B2/ja active Active
- 2022-12-15 US US18/081,956 patent/US11863958B2/en active Active
-
2023
- 2023-02-09 ZA ZA2023/01623A patent/ZA202301623B/en unknown
- 2023-11-22 US US18/517,301 patent/US12245013B2/en active Active
-
2024
- 2024-02-07 ZA ZA2024/01196A patent/ZA202401196B/en unknown
- 2024-03-22 AU AU2024201885A patent/AU2024201885A1/en active Pending
- 2024-06-11 JP JP2024094070A patent/JP7772487B2/ja active Active
-
2025
- 2025-01-28 US US19/038,713 patent/US20250184680A1/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102823277A (zh) * | 2010-03-26 | 2012-12-12 | 汤姆森特许公司 | 解码用于音频回放的音频声场表示的方法和装置 |
| JP2013524564A (ja) * | 2010-03-26 | 2013-06-17 | トムソン ライセンシング | オーディオ再生のためのオーディオ音場表現のデコードのための方法および装置 |
| CN102547549A (zh) * | 2010-12-21 | 2012-07-04 | 汤姆森特许公司 | 编码解码2或3维声场环绕声表示的连续帧的方法和装置 |
Non-Patent Citations (2)
| Title |
|---|
| Multichannel audio coding based on minimum audible angles;ADRIEN DANIEL等;《PROCEEDINGS OF 40TH INTERNATIONAL CONFERENCE:SPATIAL AUDIO:SENSE THE SOUND OF SPACE》;20100101;全文 * |
| Spatial redundancy in Higher Order Ambisonics and its use for lowdelay lossless compression;Erik Hellerud 等;《 Acoustics, Speech and Signal Processing,2009》;20090530;全文 * |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110459230B (zh) | 产生hoa信号的混合的空间/系数域表示的方法和设备 | |
| RU2817687C2 (ru) | Способ и устройство для формирования из представления hoa-сигналов в области коэффициентов смешанного представления упомянутых hoa-сигналов в пространственной области/области коэффициентов | |
| RU2853530C2 (ru) | Способ и устройство для формирования из представления hoa-сигналов в области коэффициентов смешанного представления упомянутых hoa-сигналов в пространственной области/области коэффициентов | |
| HK40016914B (en) | Method and apparatus for generating a mixed spatial/coefficient domain representation of hoa signals | |
| HK40012738B (en) | Method and apparatus for generating a mixed spatial/coefficient domain representation of hoa signals | |
| HK40012739A (en) | Method and apparatus for generating a mixed spatial/coefficient domain representation of hoa signals | |
| HK40016914A (en) | Method and apparatus for generating a mixed spatial/coefficient domain representation of hoa signals | |
| HK40012718A (en) | Method and apparatus for generating a mixed spatial/coefficient domain representation of hoa signals | |
| HK40012738A (en) | Method and apparatus for generating a mixed spatial/coefficient domain representation of hoa signals | |
| RU2777660C2 (ru) | Способ и устройство для формирования из представления hoa-сигналов в области коэффициентов смешанного представления упомянутых hoa-сигналов в пространственной области/области коэффициентов | |
| HK40012718B (zh) | 产生hoa信号的混合的空间/系数域表示的方法和设备 | |
| HK40012739B (zh) | 产生hoa信号的混合的空间/系数域表示的方法和设备 |
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: 40012718 Country of ref document: HK |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |