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)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116913291A (zh) | 2015-10-08 | 2023-10-20 | 杜比国际公司 | 声音或声场的压缩hoa表示的解码方法和装置 |
| WO2017060411A1 (en) | 2015-10-08 | 2017-04-13 | Dolby International Ab | Layered coding for compressed sound or sound field representations |
| US10075802B1 (en) | 2017-08-08 | 2018-09-11 | Qualcomm Incorporated | Bitrate allocation for higher order ambisonic audio data |
| US10657974B2 (en) | 2017-12-21 | 2020-05-19 | Qualcomm Incorporated | Priority information for higher order ambisonic audio data |
| US11270711B2 (en) | 2017-12-21 | 2022-03-08 | Qualcomm Incorproated | Higher order ambisonic audio data |
| US12380898B2 (en) | 2020-06-11 | 2025-08-05 | 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 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US8321230B2 (en) | 2006-02-06 | 2012-11-27 | France Telecom | Method and device for the hierarchical coding of a source audio signal and corresponding decoding method and device, programs and signals |
| CA2871268C (en) | 2008-07-11 | 2015-11-03 | Nikolaus Rettelbach | Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program |
| PL4407613T3 (pl) | 2008-07-11 | 2025-09-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dekoder audio |
| WO2010103854A2 (ja) | 2009-03-13 | 2010-09-16 | 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 |
| BR112012017258B1 (pt) | 2010-01-12 | 2020-12-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | codificador de áudio, decodificador de áudio, método de codificação e decodificação de uma informação de áudio, para obtenção de um valor de sub-região de contexto com base em uma norma de valores espectrais previamente decodificados |
| 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 |
| 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 |
| 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 |
| US9460729B2 (en) | 2012-09-21 | 2016-10-04 | Dolby Laboratories Licensing Corporation | Layered approach to spatial audio coding |
| US9613660B2 (en) | 2013-04-05 | 2017-04-04 | Dts, Inc. | Layered audio reconstruction system |
| US11146903B2 (en) * | 2013-05-29 | 2021-10-12 | Qualcomm Incorporated | Compression of decomposed representations of a sound field |
| JP6377730B2 (ja) | 2013-06-05 | 2018-08-22 | ドルビー・インターナショナル・アーベー | オーディオ信号を符号化する方法及び装置並びにオーディオ信号を復号する方法及び装置 |
| 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 |
| KR102201726B1 (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 |
| JP6243060B2 (ja) | 2014-03-21 | 2017-12-06 | ドルビー・インターナショナル・アーベー | 高次アンビソニックス（ｈｏａ）信号を圧縮する方法、圧縮されたｈｏａ信号を圧縮解除する方法、ｈｏａ信号を圧縮する装置および圧縮されたｈｏａ信号を圧縮解除する装置 |
| 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 |
| CN116913291A (zh) * | 2015-10-08 | 2023-10-20 | 杜比国际公司 | 声音或声场的压缩hoa表示的解码方法和装置 |
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2016
- 2016-10-07 CN CN202310423277.4A patent/CN116913291A/zh active Pending
- 2016-10-07 MA MA45880A patent/MA45880B1/fr unknown
- 2016-10-07 PH PH1/2022/551663A patent/PH12022551663A1/en unknown
- 2016-10-07 AU AU2016335091A patent/AU2016335091B2/en active Active
- 2016-10-07 CA CA3000781A patent/CA3000781C/en active Active
- 2016-10-07 CN CN202310422818.1A patent/CN116312576A/zh active Pending
- 2016-10-07 KR KR1020247024684A patent/KR20240117648A/ko active Pending
- 2016-10-07 CA CA3228657A patent/CA3228657A1/en active Pending
- 2016-10-07 KR KR1020187012834A patent/KR102537337B1/ko active Active
- 2016-10-07 WO PCT/EP2016/073971 patent/WO2017060412A1/en not_active Ceased
- 2016-10-07 CN CN202310417139.5A patent/CN116959460A/zh active Pending
- 2016-10-07 EP EP24175983.6A patent/EP4411732A3/en active Pending
- 2016-10-07 BR BR122022025233-8A patent/BR122022025233B1/pt active IP Right Grant
- 2016-10-07 MY MYPI2018701312A patent/MY188894A/en unknown
- 2016-10-07 KR KR1020237017456A patent/KR102688478B1/ko active Active
- 2016-10-07 US US15/763,830 patent/US10714099B2/en active Active
- 2016-10-07 IL IL290796A patent/IL290796B2/en unknown
- 2016-10-07 CN CN202310422685.8A patent/CN116312575A/zh active Pending
- 2016-10-07 EP EP16778366.1A patent/EP3360134B1/en active Active
- 2016-10-07 MY MYPI2021005691A patent/MY209942A/en unknown
- 2016-10-07 EA EA201890845A patent/EA035064B1/ru not_active IP Right Cessation
- 2016-10-07 EP EP21190295.2A patent/EP3926626B1/en active Active
- 2016-10-07 CN CN202310423731.6A patent/CN116913292A/zh active Pending
- 2016-10-07 CA CA3228629A patent/CA3228629A1/en active Pending
- 2016-10-07 SG SG10202001597WA patent/SG10202001597WA/en unknown
- 2016-10-07 IL IL302588A patent/IL302588B2/en unknown
- 2016-10-07 JP JP2018517503A patent/JP6866362B2/ja active Active
- 2016-10-07 BR BR122022025224-9A patent/BR122022025224B1/pt active IP Right Grant
- 2016-10-07 IL IL315233A patent/IL315233A/en unknown
- 2016-10-07 MX MX2018004166A patent/MX380260B/es unknown
- 2016-10-07 ES ES16778366T patent/ES2903247T3/es active Active
- 2016-10-07 CN CN201680057989.7A patent/CN108140390B/zh 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 CL CL2018000887A patent/CL2018000887A1/es unknown
- 2018-04-05 MX MX2021002517A patent/MX2021002517A/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/AU2024200839A1/en active Pending
- 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
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