TWI657434B - 解碼壓縮高階保真立體音響表示之方法及裝置，及編碼壓縮高階保真立體音響表示之方法及裝置 - Google Patents
解碼壓縮高階保真立體音響表示之方法及裝置，及編碼壓縮高階保真立體音響表示之方法及裝置 Download PDFInfo
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- TWI657434B TWI657434B TW104121236A TW104121236A TWI657434B TW I657434 B TWI657434 B TW I657434B TW 104121236 A TW104121236 A TW 104121236A TW 104121236 A TW104121236 A TW 104121236A TW I657434 B TWI657434 B TW I657434B
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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
-
- 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
- G10L19/0204—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 using subband decomposition
-
- 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
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- 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
- H04S2420/07—Synergistic effects of band splitting and sub-band processing
-
- 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)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ??14306080.4 | 2014-07-02 | ||
| EP14306080 | 2014-07-02 | ||
| ??14194186.4 | 2014-11-20 | ||
| EP14194186.4A EP2963949A1 (en) | 2014-07-02 | 2014-11-20 | Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201603004A TW201603004A (zh) | 2016-01-16 |
| TWI657434B true TWI657434B (zh) | 2019-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW104121236A TWI657434B (zh) | 2014-07-02 | 2015-07-01 | 解碼壓縮高階保真立體音響表示之方法及裝置，及編碼壓縮高階保真立體音響表示之方法及裝置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9774975B2 (enExample) |
| EP (2) | EP2963949A1 (enExample) |
| JP (1) | JP6542269B2 (enExample) |
| KR (1) | KR102296067B1 (enExample) |
| CN (1) | CN106663432B (enExample) |
| TW (1) | TWI657434B (enExample) |
| WO (1) | WO2016001356A1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10893373B2 (en) | 2017-05-09 | 2021-01-12 | Dolby Laboratories Licensing Corporation | Processing of a multi-channel spatial audio format input signal |
| CN109521731B (zh) * | 2017-09-19 | 2021-07-30 | 沈阳高精数控智能技术股份有限公司 | 一种基于公差带的G2连续Bézier刀具轨迹平滑算法 |
| WO2019143867A1 (en) | 2018-01-18 | 2019-07-25 | Dolby Laboratories Licensing Corporation | Methods and devices for coding soundfield representation signals |
| PL3724876T3 (pl) * | 2018-02-01 | 2022-11-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Enkoder sceny audio, dekoder sceny audio i powiązane sposoby wykorzystujące analizę przestrzenną hybrydowego enkodera/dekodera |
| WO2020039734A1 (ja) * | 2018-08-21 | 2020-02-27 | ソニー株式会社 | オーディオ再生装置、オーディオ再生方法及びオーディオ再生プログラム |
| ES2985934T3 (es) | 2018-11-13 | 2024-11-07 | Dolby Laboratories Licensing Corp | Representar audio espacial por medio de una señal de audio y metadatos asociados |
| IL281936B2 (en) | 2018-11-13 | 2026-04-01 | Dolby Laboratories Licensing Corp | Audio Processing at Investor Audio Services |
| BR112021026678A2 (pt) | 2019-07-08 | 2022-02-15 | Voiceage Corp | Método e sistema para codificação de metadados em fluxos de áudio e para alocação eficiente de taxa de bit para codificação de fluxos de áudio |
| CN110476960B (zh) * | 2019-09-19 | 2021-06-15 | 河北省农林科学院植物保护研究所 | 噻虫胺薄膜缓释型种子处理悬浮剂及其制备方法与应用 |
| WO2022046533A1 (en) * | 2020-08-27 | 2022-03-03 | Apple Inc. | Stereo-based immersive coding (stic) |
| CN116324979B (zh) | 2020-09-28 | 2026-06-05 | 三星电子株式会社 | 音频编码装置和方法，以及音频解码装置和方法 |
| CN115376527B (zh) * | 2021-05-17 | 2026-04-07 | 华为技术有限公司 | 三维音频信号编码方法、装置和编码器 |
| CN115376530B (zh) * | 2021-05-17 | 2026-05-22 | 华为技术有限公司 | 三维音频信号编码方法、装置和编码器 |
| CN115881140B (zh) * | 2021-09-29 | 2025-09-26 | 华为技术有限公司 | 编解码方法、装置、设备、存储介质及计算机程序产品 |
| CN115546323B (zh) * | 2022-08-31 | 2023-06-09 | 广东工业大学 | 一种基于球坐标主成分分析的图像压缩重构方法 |
| CN118136027A (zh) * | 2022-12-02 | 2024-06-04 | 华为技术有限公司 | 场景音频编码方法及电子设备 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US20140016784A1 (en) * | 2012-07-15 | 2014-01-16 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5075880A (en) * | 1988-11-08 | 1991-12-24 | Wadia Digital Corporation | Method and apparatus for time domain interpolation of digital audio signals |
| JP3531178B2 (ja) * | 1993-05-27 | 2004-05-24 | ソニー株式会社 | ディジタル信号処理装置及び方法 |
| US6931370B1 (en) * | 1999-11-02 | 2005-08-16 | Digital Theater Systems, Inc. | System and method for providing interactive audio in a multi-channel audio environment |
| JP3995383B2 (ja) * | 2000-02-15 | 2007-10-24 | 三洋電機株式会社 | 水素吸蔵合金電極の製造方法 |
| JP4676140B2 (ja) * | 2002-09-04 | 2011-04-27 | マイクロソフト コーポレーション | オーディオの量子化および逆量子化 |
| WO2005036528A1 (en) * | 2003-10-10 | 2005-04-21 | Agency For Science, Technology And Research | Method for encoding a digital signal into a scalable bitstream; method for decoding a scalable bitstream. |
| US7599840B2 (en) * | 2005-07-15 | 2009-10-06 | Microsoft Corporation | Selectively using multiple entropy models in adaptive coding and decoding |
| CN101202043B (zh) * | 2007-12-28 | 2011-06-15 | 清华大学 | 音频信号的编码方法和装置与解码方法和装置 |
| US8908874B2 (en) * | 2010-09-08 | 2014-12-09 | Dts, Inc. | Spatial audio encoding and reproduction |
| EP2665208A1 (en) | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| EP2738962A1 (en) | 2012-11-29 | 2014-06-04 | Thomson Licensing | Method and apparatus for determining dominant sound source directions in a higher order ambisonics representation of a sound field |
| 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 |
| 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 |
-
2014
- 2014-11-20 EP EP14194186.4A patent/EP2963949A1/en not_active Withdrawn
-
2015
- 2015-07-01 TW TW104121236A patent/TWI657434B/zh active
- 2015-07-02 CN CN201580033215.6A patent/CN106663432B/zh active Active
- 2015-07-02 JP JP2016573839A patent/JP6542269B2/ja active Active
- 2015-07-02 EP EP15732000.3A patent/EP3165005B1/en active Active
- 2015-07-02 KR KR1020167035529A patent/KR102296067B1/ko active Active
- 2015-07-02 WO PCT/EP2015/065086 patent/WO2016001356A1/en not_active Ceased
- 2015-07-02 US US15/320,461 patent/US9774975B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US20140016784A1 (en) * | 2012-07-15 | 2014-01-16 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3165005B1 (en) | 2018-11-28 |
| KR102296067B1 (ko) | 2021-09-01 |
| EP2963949A1 (en) | 2016-01-06 |
| JP6542269B2 (ja) | 2019-07-10 |
| TW201603004A (zh) | 2016-01-16 |
| US9774975B2 (en) | 2017-09-26 |
| JP2017523451A (ja) | 2017-08-17 |
| KR20170024581A (ko) | 2017-03-07 |
| CN106663432A (zh) | 2017-05-10 |
| US20170164131A1 (en) | 2017-06-08 |
| WO2016001356A1 (en) | 2016-01-07 |
| EP3165005A1 (en) | 2017-05-10 |
| CN106663432B (zh) | 2021-02-02 |
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