MA45880B1 - Codage hiérarchique et structure de données pour représentations compressées de sons ou champs acoustiques d'ambiophonie d'ordre supérieur - Google Patents
Codage hiérarchique et structure de données pour représentations compressées de sons ou champs acoustiques d'ambiophonie d'ordre supérieurInfo
- Publication number
- MA45880B1 MA45880B1 MA45880A MA45880A MA45880B1 MA 45880 B1 MA45880 B1 MA 45880B1 MA 45880 A MA45880 A MA 45880A MA 45880 A MA45880 A MA 45880A MA 45880 B1 MA45880 B1 MA 45880B1
- Authority
- MA
- Morocco
- Prior art keywords
- hoa
- compressed
- layer
- sound
- layers
- Prior art date
Links
- 230000011664 signaling Effects 0.000 abstract 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
-
- 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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- 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
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
- H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15306591 | 2015-10-08 | ||
| PCT/EP2016/073971 WO2017060412A1 (en) | 2015-10-08 | 2016-10-07 | Layered coding and data structure for compressed higher-order ambisonics sound or sound field representations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MA45880A MA45880A (fr) | 2018-08-15 |
| MA45880B1 true MA45880B1 (fr) | 2022-01-31 |
Family
ID=54361028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA45880A MA45880B1 (fr) | 2015-10-08 | 2016-10-07 | Codage hiérarchique et structure de données pour représentations compressées de sons ou champs acoustiques d'ambiophonie d'ordre supérieur |
Country Status (21)
| Country | Link |
|---|---|
| US (5) | US10714099B2 (enExample) |
| EP (3) | EP4411732A3 (enExample) |
| JP (5) | JP6866362B2 (enExample) |
| KR (3) | KR102537337B1 (enExample) |
| CN (6) | CN116312575A (enExample) |
| AU (4) | AU2016335091B2 (enExample) |
| BR (2) | BR122022025233B1 (enExample) |
| CA (3) | CA3000781C (enExample) |
| CL (1) | CL2018000887A1 (enExample) |
| CO (1) | CO2018004868A2 (enExample) |
| EA (1) | EA035064B1 (enExample) |
| ES (1) | ES2903247T3 (enExample) |
| IL (4) | IL302588B2 (enExample) |
| MA (1) | MA45880B1 (enExample) |
| MX (3) | MX380260B (enExample) |
| MY (2) | MY209942A (enExample) |
| PH (2) | PH12022551663A1 (enExample) |
| SA (1) | SA518391264B1 (enExample) |
| SG (1) | SG10202001597WA (enExample) |
| WO (1) | WO2017060412A1 (enExample) |
| ZA (4) | ZA201802540B (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6866362B2 (ja) | 2015-10-08 | 2021-04-28 | ドルビー・インターナショナル・アーベー | 圧縮された高次アンビソニックス音または音場表現のための層構成の符号化およびデータ構造 |
| MX392462B (es) | 2015-10-08 | 2025-03-24 | Dolby Int Ab | Codificacion en capas para representaciones de sonido o campo de sonido comprimidas |
| US10075802B1 (en) | 2017-08-08 | 2018-09-11 | Qualcomm Incorporated | Bitrate allocation for higher order ambisonic audio data |
| US11270711B2 (en) | 2017-12-21 | 2022-03-08 | Qualcomm Incorproated | Higher order ambisonic audio data |
| US10657974B2 (en) | 2017-12-21 | 2020-05-19 | Qualcomm Incorporated | Priority information for higher order ambisonic audio data |
| AU2021286636A1 (en) | 2020-06-11 | 2023-01-19 | Dolby Laboratories Licensing Corporation | Encoding of multi-channel audio signals comprising downmixing of a primary and two or more scaled non-primary input channels |
| US11558707B2 (en) | 2020-06-29 | 2023-01-17 | Qualcomm Incorporated | Sound field adjustment |
| WO2022066370A1 (en) * | 2020-09-25 | 2022-03-31 | Apple Inc. | Hierarchical Spatial Resolution Codec |
| CN115938388B (zh) * | 2021-05-31 | 2026-05-26 | 华为技术有限公司 | 一种三维音频信号的处理方法和装置 |
| US20250078845A1 (en) * | 2023-08-29 | 2025-03-06 | Samsung Electronics Co., Ltd. | Lossless audio coding for multichannel hierarchical reconstruction |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4041348B2 (ja) * | 2001-06-04 | 2008-01-30 | 松下電器産業株式会社 | 記録装置、記録媒体、再生装置、プログラム、方法 |
| JP2003241799A (ja) * | 2002-02-15 | 2003-08-29 | Nippon Telegr & Teleph Corp <Ntt> | 音響符号化方法、復号化方法、符号化装置、復号化装置及び符号化プログラム、復号化プログラム |
| US7177804B2 (en) | 2005-05-31 | 2007-02-13 | Microsoft Corporation | Sub-band voice codec with multi-stage codebooks and redundant coding |
| DE602007002385D1 (de) | 2006-02-06 | 2009-10-22 | France Telecom | Verfahren und vorrichtung zur hierarchischen kodiecodierverfahren und gerät, programme und signal |
| KR101438387B1 (ko) * | 2006-07-12 | 2014-09-05 | 삼성전자주식회사 | 서라운드 확장 데이터 부호화 및 복호화 방법 및 장치 |
| ES3032482T3 (en) | 2008-07-11 | 2025-07-21 | Fraunhofer Ges Forschung | Audio decoder |
| EP2346029B1 (en) | 2008-07-11 | 2013-06-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, method for encoding an audio signal and corresponding computer program |
| JPWO2010103854A1 (ja) | 2009-03-13 | 2012-09-13 | パナソニック株式会社 | 音声符号化装置、音声復号装置、音声符号化方法及び音声復号方法 |
| BR112012017256B1 (pt) | 2010-01-12 | 2021-08-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | Codificador de áudio, decodificador de áudio, método de codificação e informação de áudio e método de decodificação de uma informação de áudio que utiliza uma tabela hash que descreve tanto valores de estado significativos como limites de intervalo |
| EP2395505A1 (en) | 2010-06-11 | 2011-12-14 | Thomson Licensing | Method and apparatus for searching in a layered hierarchical bit stream followed by replay, said bit stream including a base layer and at least one enhancement layer |
| 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 |
| AU2012230440C1 (en) * | 2011-03-18 | 2016-09-08 | Dolby International Ab | Frame element positioning in frames of a bitstream representing audio content |
| EP2665208A1 (en) * | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| TWI505262B (zh) * | 2012-05-15 | 2015-10-21 | Dolby Int Ab | 具多重子流之多通道音頻信號的有效編碼與解碼 |
| TWI590234B (zh) | 2012-07-19 | 2017-07-01 | 杜比國際公司 | 編碼聲訊資料之方法和裝置，以及解碼已編碼聲訊資料之方法和裝置 |
| US9761229B2 (en) * | 2012-07-20 | 2017-09-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for audio object clustering |
| US9460729B2 (en) | 2012-09-21 | 2016-10-04 | Dolby Laboratories Licensing Corporation | Layered approach to spatial audio coding |
| EP2717262A1 (en) * | 2012-10-05 | 2014-04-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding |
| US9613660B2 (en) | 2013-04-05 | 2017-04-04 | Dts, Inc. | Layered audio reconstruction system |
| US9502044B2 (en) * | 2013-05-29 | 2016-11-22 | Qualcomm Incorporated | Compression of decomposed representations of a sound field |
| WO2014195190A1 (en) | 2013-06-05 | 2014-12-11 | Thomson Licensing | Method for encoding audio signals, apparatus for encoding audio signals, method for decoding audio signals and apparatus for decoding audio signals |
| US20150194157A1 (en) * | 2014-01-06 | 2015-07-09 | Nvidia Corporation | System, method, and computer program product for artifact reduction in high-frequency regeneration audio signals |
| US9922656B2 (en) * | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| US20150243292A1 (en) * | 2014-02-25 | 2015-08-27 | Qualcomm Incorporated | Order format signaling for higher-order ambisonic audio data |
| 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 |
| KR101884419B1 (ko) * | 2014-03-21 | 2018-08-02 | 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 |
| CN117198304A (zh) * | 2014-03-21 | 2023-12-08 | 杜比国际公司 | 用于对压缩的hoa信号进行解码的方法、装置和存储介质 |
| JP6866362B2 (ja) | 2015-10-08 | 2021-04-28 | ドルビー・インターナショナル・アーベー | 圧縮された高次アンビソニックス音または音場表現のための層構成の符号化およびデータ構造 |
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2016
- 2016-10-07 JP JP2018517503A patent/JP6866362B2/ja active Active
- 2016-10-07 CN CN202310422685.8A patent/CN116312575A/zh active Pending
- 2016-10-07 AU AU2016335091A patent/AU2016335091B2/en active Active
- 2016-10-07 CA CA3000781A patent/CA3000781C/en active Active
- 2016-10-07 EA EA201890845A patent/EA035064B1/ru not_active IP Right Cessation
- 2016-10-07 MX MX2018004166A patent/MX380260B/es unknown
- 2016-10-07 WO PCT/EP2016/073971 patent/WO2017060412A1/en not_active Ceased
- 2016-10-07 CA CA3228657A patent/CA3228657A1/en active Pending
- 2016-10-07 MA MA45880A patent/MA45880B1/fr unknown
- 2016-10-07 EP EP24175983.6A patent/EP4411732A3/en active Pending
- 2016-10-07 MY MYPI2021005691A patent/MY209942A/en unknown
- 2016-10-07 EP EP21190295.2A patent/EP3926626B1/en active Active
- 2016-10-07 KR KR1020187012834A patent/KR102537337B1/ko active Active
- 2016-10-07 BR BR122022025233-8A patent/BR122022025233B1/pt active IP Right Grant
- 2016-10-07 IL IL302588A patent/IL302588B2/en unknown
- 2016-10-07 CN CN202310422818.1A patent/CN116312576A/zh active Pending
- 2016-10-07 IL IL290796A patent/IL290796B2/en unknown
- 2016-10-07 BR BR122022025224-9A patent/BR122022025224B1/pt active IP Right Grant
- 2016-10-07 CN CN202310423731.6A patent/CN116913292A/zh active Pending
- 2016-10-07 IL IL315233A patent/IL315233A/en unknown
- 2016-10-07 CN CN201680057989.7A patent/CN108140390B/zh active Active
- 2016-10-07 CA CA3228629A patent/CA3228629A1/en active Pending
- 2016-10-07 CN CN202310417139.5A patent/CN116959460A/zh active Pending
- 2016-10-07 ES ES16778366T patent/ES2903247T3/es active Active
- 2016-10-07 MY MYPI2018701312A patent/MY188894A/en unknown
- 2016-10-07 EP EP16778366.1A patent/EP3360134B1/en active Active
- 2016-10-07 US US15/763,830 patent/US10714099B2/en active Active
- 2016-10-07 SG SG10202001597WA patent/SG10202001597WA/en unknown
- 2016-10-07 PH PH1/2022/551663A patent/PH12022551663A1/en unknown
- 2016-10-07 KR KR1020247024684A patent/KR20240117648A/ko active Pending
- 2016-10-07 CN CN202310423277.4A patent/CN116913291A/zh active Pending
- 2016-10-07 KR KR1020237017456A patent/KR102688478B1/ko active Active
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2018
- 2018-03-26 IL IL258362A patent/IL258362B/en unknown
- 2018-03-28 PH PH12018500704A patent/PH12018500704B1/en unknown
- 2018-04-02 SA SA518391264A patent/SA518391264B1/ar unknown
- 2018-04-05 MX MX2021002517A patent/MX2021002517A/es unknown
- 2018-04-05 CL CL2018000887A patent/CL2018000887A1/es unknown
- 2018-04-17 ZA ZA2018/02540A patent/ZA201802540B/en unknown
- 2018-05-08 CO CONC2018/0004868A patent/CO2018004868A2/es unknown
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2020
- 2020-05-04 ZA ZA2020/01987A patent/ZA202001987B/en unknown
- 2020-07-10 US US16/925,336 patent/US11373661B2/en active Active
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2021
- 2021-04-07 JP JP2021065162A patent/JP7258072B2/ja active Active
- 2021-11-16 AU AU2021269310A patent/AU2021269310B2/en active Active
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2022
- 2022-04-22 ZA ZA2022/04514A patent/ZA202204514B/en unknown
- 2022-05-19 US US17/749,007 patent/US11955130B2/en active Active
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2023
- 2023-04-04 JP JP2023060956A patent/JP7508633B2/ja active Active
- 2023-04-12 ZA ZA2023/04326A patent/ZA202304326B/en unknown
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2024
- 2024-02-08 US US18/436,871 patent/US12334085B2/en active Active
- 2024-02-09 AU AU2024200839A patent/AU2024200839B2/en active Active
- 2024-04-18 MX MX2024004737A patent/MX2024004737A/es unknown
- 2024-06-19 JP JP2024098705A patent/JP7728924B2/ja active Active
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2025
- 2025-06-06 US US19/230,923 patent/US20250372104A1/en active Pending
- 2025-08-13 JP JP2025134595A patent/JP2025186229A/ja active Pending
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2026
- 2026-06-25 AU AU2026204931A patent/AU2026204931A1/en active Pending
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