SA518391264B1 - تشفير طبقي وهيكل لبيانات تمثيلات صوت أو مجال صوت لأصوات محيطة مضغوطة عالية الرتبة - Google Patents
تشفير طبقي وهيكل لبيانات تمثيلات صوت أو مجال صوت لأصوات محيطة مضغوطة عالية الرتبة Download PDFInfo
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- SA518391264B1 SA518391264B1 SA518391264A SA518391264A SA518391264B1 SA 518391264 B1 SA518391264 B1 SA 518391264B1 SA 518391264 A SA518391264 A SA 518391264A SA 518391264 A SA518391264 A SA 518391264A SA 518391264 B1 SA518391264 B1 SA 518391264B1
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Classifications
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- 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
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- 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
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- G—PHYSICS
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- 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
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- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15306591 | 2015-10-08 | ||
| US201662361863P | 2016-07-13 | 2016-07-13 | |
| 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 (1)
| Publication Number | Publication Date |
|---|---|
| SA518391264B1 true SA518391264B1 (ar) | 2021-10-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SA518391264A SA518391264B1 (ar) | 2015-10-08 | 2018-04-02 | تشفير طبقي وهيكل لبيانات تمثيلات صوت أو مجال صوت لأصوات محيطة مضغوطة عالية الرتبة |
Country Status (21)
| Country | Link |
|---|---|
| US (5) | US10714099B2 (enExample) |
| EP (3) | EP3926626B1 (enExample) |
| JP (4) | JP6866362B2 (enExample) |
| KR (3) | KR102688478B1 (enExample) |
| CN (6) | CN108140390B (enExample) |
| AU (3) | AU2016335091B2 (enExample) |
| BR (2) | BR122022025224B1 (enExample) |
| CA (3) | CA3000781C (enExample) |
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| MX (3) | MX380260B (enExample) |
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| PH (2) | PH12022551663A1 (enExample) |
| SA (1) | SA518391264B1 (enExample) |
| SG (1) | SG10202001597WA (enExample) |
| WO (1) | WO2017060412A1 (enExample) |
| ZA (4) | ZA201802540B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12334085B2 (en) | 2015-10-08 | 2025-06-17 | Dolby International Ab | Layered coding and data structure for compressed higher-order Ambisonics sound or sound field representations |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108140391B (zh) | 2015-10-08 | 2022-12-16 | 杜比国际公司 | 用于压缩声音或声场表示的分层编解码 |
| 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 |
| WO2021252748A1 (en) | 2020-06-11 | 2021-12-16 | Dolby Laboratories Licensing Corporation | Encoding of multi-channel audio signals comprising downmixing of a primary and two or more scaled non-primary input channels |
| US12120497B2 (en) * | 2020-06-29 | 2024-10-15 | 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 |
| DE602007002385D1 (de) | 2006-02-06 | 2009-10-22 | France Telecom | Verfahren und vorrichtung zur hierarchischen kodiecodierverfahren und gerät, programme und signal |
| EP2346030B1 (en) | 2008-07-11 | 2014-10-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, method for encoding an audio signal and computer program |
| AU2009267459B2 (en) | 2008-07-11 | 2014-01-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program |
| EP2407964A2 (en) | 2009-03-13 | 2012-01-18 | Panasonic Corporation | Speech encoding device, speech decoding device, speech encoding method, and speech decoding method |
| ES2532203T3 (es) | 2010-01-12 | 2015-03-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador de audio, decodificador de audio, método para codificar y decodificar una información de audio y programa de computación que obtiene un valor de contexto de sub-región basado en una norma de valores espectrales 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 |
| US9589571B2 (en) | 2012-07-19 | 2017-03-07 | Dolby Laboratories Licensing Corporation | Method and device for improving the rendering of multi-channel audio signals |
| 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 |
| US9502044B2 (en) * | 2013-05-29 | 2016-11-22 | Qualcomm Incorporated | Compression of decomposed representations of a sound field |
| EP3005354B1 (en) | 2013-06-05 | 2019-07-03 | Dolby International AB | 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 |
| 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 |
| 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 |
| US9818413B2 (en) | 2014-03-21 | 2017-11-14 | Dolby Laboratories Licensing Corporation | Method for compressing a higher order ambisonics signal, method for decompressing (HOA) a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal |
| PH12022551663A1 (en) * | 2015-10-08 | 2023-11-13 | Dolby Int Ab | Layered coding and data structure for compressed higher-order ambisonics sound or sound field representations |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12334085B2 (en) | 2015-10-08 | 2025-06-17 | Dolby International Ab | Layered coding and data structure for compressed higher-order Ambisonics sound or sound field representations |
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