BR112021017511A2 - Codificação de áudio espacializada com interpolação e quantização de rotações - Google Patents
Codificação de áudio espacializada com interpolação e quantização de rotaçõesInfo
- Publication number
- BR112021017511A2 BR112021017511A2 BR112021017511A BR112021017511A BR112021017511A2 BR 112021017511 A2 BR112021017511 A2 BR 112021017511A2 BR 112021017511 A BR112021017511 A BR 112021017511A BR 112021017511 A BR112021017511 A BR 112021017511A BR 112021017511 A2 BR112021017511 A2 BR 112021017511A2
- Authority
- BR
- Brazil
- Prior art keywords
- quantization
- audio coding
- spatialized audio
- rotation interpolation
- interpolation
- Prior art date
Links
- 238000013139 quantization Methods 0.000 title 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/002—Dynamic bit allocation
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19305254.5A EP3706119A1 (fr) | 2019-03-05 | 2019-03-05 | Codage audio spatialisé avec interpolation et quantification de rotations |
| PCT/EP2020/053264 WO2020177981A1 (fr) | 2019-03-05 | 2020-02-10 | Codage audio spatialisé avec interpolation et quantification de rotations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021017511A2 true BR112021017511A2 (pt) | 2021-11-16 |
Family
ID=65991736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021017511A BR112021017511A2 (pt) | 2019-03-05 | 2020-02-10 | Codificação de áudio espacializada com interpolação e quantização de rotações |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US11922959B2 (pt) |
| EP (2) | EP3706119A1 (pt) |
| JP (2) | JP7419388B2 (pt) |
| KR (1) | KR20210137114A (pt) |
| CN (1) | CN113728382A (pt) |
| BR (1) | BR112021017511A2 (pt) |
| WO (1) | WO2020177981A1 (pt) |
| ZA (1) | ZA202106465B (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022120011A1 (en) * | 2020-12-02 | 2022-06-09 | Dolby Laboratories Licensing Corporation | Rotation of sound components for orientation-dependent coding schemes |
| FR3118266A1 (fr) * | 2020-12-22 | 2022-06-24 | Orange | Codage optimisé de matrices de rotations pour le codage d’un signal audio multicanal |
| CN115497485A (zh) * | 2021-06-18 | 2022-12-20 | 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 |
| EP4120255A1 (fr) | 2021-07-15 | 2023-01-18 | Orange | Quantification vectorielle spherique optimisee |
| FR3136099A1 (fr) | 2022-05-30 | 2023-12-01 | Orange | Codage audio spatialisé avec adaptation d’un traitement de décorrélation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8218775B2 (en) | 2007-09-19 | 2012-07-10 | Telefonaktiebolaget L M Ericsson (Publ) | Joint enhancement of multi-channel audio |
| BR112012008793B1 (pt) * | 2009-10-15 | 2021-02-23 | France Telecom | Processos de codificação e de decodificação paramétrica de um sinalaudiodigital multicanal, codificador e decodificador paramétricos de um sinalaudiodigital multicanal |
| US20140355769A1 (en) * | 2013-05-29 | 2014-12-04 | Qualcomm Incorporated | Energy preservation for decomposed representations of a sound field |
| EP3933834A1 (en) * | 2013-07-05 | 2022-01-05 | Dolby International AB | Enhanced soundfield coding using parametric component generation |
| CN104282309A (zh) | 2013-07-05 | 2015-01-14 | 杜比实验室特许公司 | 丢包掩蔽装置和方法以及音频处理系统 |
-
2019
- 2019-03-05 EP EP19305254.5A patent/EP3706119A1/fr not_active Withdrawn
-
2020
- 2020-02-10 CN CN202080031569.8A patent/CN113728382A/zh active Pending
- 2020-02-10 EP EP20703048.7A patent/EP3935629A1/fr active Pending
- 2020-02-10 BR BR112021017511A patent/BR112021017511A2/pt unknown
- 2020-02-10 KR KR1020217031995A patent/KR20210137114A/ko unknown
- 2020-02-10 US US17/436,390 patent/US11922959B2/en active Active
- 2020-02-10 JP JP2021552656A patent/JP7419388B2/ja active Active
- 2020-02-10 WO PCT/EP2020/053264 patent/WO2020177981A1/fr unknown
-
2021
- 2021-09-03 ZA ZA2021/06465A patent/ZA202106465B/en unknown
-
2024
- 2024-01-09 JP JP2024001364A patent/JP2024024095A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2024024095A (ja) | 2024-02-21 |
| JP2022523414A (ja) | 2022-04-22 |
| ZA202106465B (en) | 2022-07-27 |
| CN113728382A (zh) | 2021-11-30 |
| JP7419388B2 (ja) | 2024-01-22 |
| US20220148607A1 (en) | 2022-05-12 |
| KR20210137114A (ko) | 2021-11-17 |
| WO2020177981A1 (fr) | 2020-09-10 |
| EP3706119A1 (fr) | 2020-09-09 |
| EP3935629A1 (fr) | 2022-01-12 |
| US11922959B2 (en) | 2024-03-05 |
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