CN107293304B - 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 - Google Patents
对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 Download PDFInfo
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- CN107293304B CN107293304B CN201710583301.5A CN201710583301A CN107293304B CN 107293304 B CN107293304 B CN 107293304B CN 201710583301 A CN201710583301 A CN 201710583301A CN 107293304 B CN107293304 B CN 107293304B
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- frame
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- directional signal
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- hoa
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- 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
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
- H04S2420/03—Application of parametric coding in stereophonic audio systems
-
- 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
-
- 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
- H04S2420/13—Application of wave-field synthesis in stereophonic audio systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Stereophonic System (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13305558.2 | 2013-04-29 | ||
| EP13305558.2A EP2800401A1 (en) | 2013-04-29 | 2013-04-29 | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| CN201480023877.0A CN105144752B (zh) | 2013-04-29 | 2014-04-24 | 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480023877.0A Division CN105144752B (zh) | 2013-04-29 | 2014-04-24 | 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107293304A CN107293304A (zh) | 2017-10-24 |
| CN107293304B true CN107293304B (zh) | 2021-01-05 |
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Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710583301.5A Active CN107293304B (zh) | 2013-04-29 | 2014-04-24 | 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 |
| CN201480023877.0A Active CN105144752B (zh) | 2013-04-29 | 2014-04-24 | 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 |
| CN201710583292.XA Active CN107180639B (zh) | 2013-04-29 | 2014-04-24 | 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 |
| CN201710583291.5A Active CN107146627B (zh) | 2013-04-29 | 2014-04-24 | 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 |
| CN201710583285.XA Active CN107146626B (zh) | 2013-04-29 | 2014-04-24 | 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480023877.0A Active CN105144752B (zh) | 2013-04-29 | 2014-04-24 | 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 |
| CN201710583292.XA Active CN107180639B (zh) | 2013-04-29 | 2014-04-24 | 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 |
| CN201710583291.5A Active CN107146627B (zh) | 2013-04-29 | 2014-04-24 | 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 |
| CN201710583285.XA Active CN107146626B (zh) | 2013-04-29 | 2014-04-24 | 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 |
Country Status (10)
| Country | Link |
|---|---|
| US (10) | US9736607B2 (enExample) |
| EP (6) | EP2800401A1 (enExample) |
| JP (8) | JP6395811B2 (enExample) |
| KR (6) | KR102377798B1 (enExample) |
| CN (5) | CN107293304B (enExample) |
| CA (8) | CA3190353A1 (enExample) |
| MX (6) | MX347283B (enExample) |
| MY (2) | MY176454A (enExample) |
| RU (1) | RU2668060C2 (enExample) |
| WO (1) | WO2014177455A1 (enExample) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9674587B2 (en) * | 2012-06-26 | 2017-06-06 | Sonos, Inc. | Systems and methods for networked music playback including remote add to queue |
| 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 |
| US9412385B2 (en) * | 2013-05-28 | 2016-08-09 | Qualcomm Incorporated | Performing spatial masking with respect to spherical harmonic coefficients |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| US9716959B2 (en) | 2013-05-29 | 2017-07-25 | Qualcomm Incorporated | Compensating for error in decomposed representations of sound fields |
| 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 |
| KR20240116835A (ko) * | 2014-01-08 | 2024-07-30 | 돌비 인터네셔널 에이비 | 사운드 필드의 고차 앰비소닉스 표현을 코딩하기 위해 요구되는 사이드 정보의 코딩을 개선하기 위한 방법 및 장치 |
| US9922656B2 (en) * | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| US9489955B2 (en) | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
| EP3120352B1 (en) | 2014-03-21 | 2019-05-01 | Dolby International AB | 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 |
| 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 |
| 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 |
| US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
| US9852737B2 (en) | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics audio signals |
| CN120032651A (zh) | 2014-06-27 | 2025-05-23 | 杜比国际公司 | 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法 |
| EP2960903A1 (en) | 2014-06-27 | 2015-12-30 | Thomson Licensing | Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values |
| KR102454747B1 (ko) | 2014-06-27 | 2022-10-17 | 돌비 인터네셔널 에이비 | Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치 |
| US9794713B2 (en) | 2014-06-27 | 2017-10-17 | Dolby Laboratories Licensing Corporation | Coded HOA data frame representation that includes non-differential gain values associated with channel signals of specific ones of the dataframes of an HOA data frame representation |
| EP2963949A1 (en) | 2014-07-02 | 2016-01-06 | Thomson Licensing | Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation |
| KR102363275B1 (ko) | 2014-07-02 | 2022-02-16 | 돌비 인터네셔널 에이비 | Hoa 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 위한 방법 및 장치 |
| KR102433192B1 (ko) | 2014-07-02 | 2022-08-18 | 돌비 인터네셔널 에이비 | 압축된 hoa 표현을 디코딩하기 위한 방법 및 장치와 압축된 hoa 표현을 인코딩하기 위한 방법 및 장치 |
| EP2963948A1 (en) | 2014-07-02 | 2016-01-06 | Thomson Licensing | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation |
| CN106471579B (zh) | 2014-07-02 | 2020-12-18 | 杜比国际公司 | 用于对hoa信号表示的子带内的主导方向信号的方向进行编码/解码的方法和装置 |
| US9736606B2 (en) * | 2014-08-01 | 2017-08-15 | Qualcomm Incorporated | Editing of higher-order ambisonic audio data |
| US9747910B2 (en) | 2014-09-26 | 2017-08-29 | Qualcomm Incorporated | Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework |
| EP3007167A1 (en) | 2014-10-10 | 2016-04-13 | Thomson Licensing | Method and apparatus for low bit rate compression of a Higher Order Ambisonics HOA signal representation of a sound field |
| US12087311B2 (en) | 2015-07-30 | 2024-09-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding an HOA representation |
| EP3739578A1 (en) | 2015-07-30 | 2020-11-18 | Dolby International AB | Method and apparatus for generating from an hoa signal representation a mezzanine hoa signal representation |
| WO2017036609A1 (en) * | 2015-08-31 | 2017-03-09 | Dolby International Ab | Method for frame-wise combined decoding and rendering of a compressed hoa signal and apparatus for frame-wise combined decoding and rendering of a compressed hoa signal |
| US9881628B2 (en) * | 2016-01-05 | 2018-01-30 | Qualcomm Incorporated | Mixed domain coding of audio |
| EP3338462B1 (en) * | 2016-03-15 | 2019-08-28 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus, method or computer program for generating a sound field description |
| US10332530B2 (en) | 2017-01-27 | 2019-06-25 | Google Llc | Coding of a soundfield representation |
| JP6811312B2 (ja) | 2017-05-01 | 2021-01-13 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America | 符号化装置及び符号化方法 |
| US10405126B2 (en) * | 2017-06-30 | 2019-09-03 | Qualcomm Incorporated | Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems |
| EP3818730A4 (en) * | 2018-07-03 | 2022-08-31 | Nokia Technologies Oy | Energy-ratio signalling and synthesis |
| CN110113119A (zh) * | 2019-04-26 | 2019-08-09 | 国家无线电监测中心 | 一种基于人工智能算法的无线信道建模方法 |
| CN114582357B (zh) * | 2020-11-30 | 2025-09-12 | 华为技术有限公司 | 一种音频编解码方法和装置 |
| US11743670B2 (en) | 2020-12-18 | 2023-08-29 | Qualcomm Incorporated | Correlation-based rendering with multiple distributed streams accounting for an occlusion for six degree of freedom applications |
| CN115938388A (zh) * | 2021-05-31 | 2023-04-07 | 华为技术有限公司 | 一种三维音频信号的处理方法和装置 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5757927A (en) * | 1992-03-02 | 1998-05-26 | Trifield Productions Ltd. | Surround sound apparatus |
| US6628787B1 (en) * | 1998-03-31 | 2003-09-30 | Lake Technology Ltd | Wavelet conversion of 3-D audio signals |
| US20050080616A1 (en) * | 2001-07-19 | 2005-04-14 | Johahn Leung | Recording a three dimensional auditory scene and reproducing it for the individual listener |
| CN101401152A (zh) * | 2006-03-15 | 2009-04-01 | 法国电信公司 | 通过多通道音频信号的主分量分析进行编码的设备和方法 |
| EP2094032A1 (en) * | 2008-02-19 | 2009-08-26 | Deutsche Thomson OHG | Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same |
| CN102326417A (zh) * | 2008-12-30 | 2012-01-18 | 庞培法布拉大学巴塞隆纳媒体基金会 | 三维声场编码及优化重建的方法及装置 |
| WO2012059385A1 (en) * | 2010-11-05 | 2012-05-10 | Thomson Licensing | Data structure for higher order ambisonics audio data |
| CN102547549A (zh) * | 2010-12-21 | 2012-07-04 | 汤姆森特许公司 | 编码解码2或3维声场环绕声表示的连续帧的方法和装置 |
| CN102823277A (zh) * | 2010-03-26 | 2012-12-12 | 汤姆森特许公司 | 解码用于音频回放的音频声场表示的方法和装置 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5956674A (en) | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
| JP3700254B2 (ja) * | 1996-05-31 | 2005-09-28 | 日本ビクター株式会社 | 映像音声再生装置 |
| 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 |
| CN1279511C (zh) * | 2001-04-13 | 2006-10-11 | 多尔拜实验特许公司 | 一种时间标度和/或音调偏移一个音频信号的方法 |
| EP1489599B1 (en) * | 2002-04-26 | 2016-05-11 | Panasonic Intellectual Property Corporation of America | Coding device and decoding device |
| US7081883B2 (en) * | 2002-05-14 | 2006-07-25 | Michael Changcheng Chen | Low-profile multi-channel input device |
| CN1677490A (zh) | 2004-04-01 | 2005-10-05 | 北京宫羽数字技术有限责任公司 | 一种增强音频编解码装置及方法 |
| EP1841284A1 (en) * | 2006-03-29 | 2007-10-03 | Phonak AG | Hearing instrument for storing encoded audio data, method of operating and manufacturing thereof |
| EP2645367B1 (en) * | 2009-02-16 | 2019-11-20 | Electronics and Telecommunications Research Institute | Encoding/decoding method for audio signals using adaptive sinusoidal coding and apparatus thereof |
| EP2665208A1 (en) | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| CN102903366A (zh) * | 2012-09-18 | 2013-01-30 | 重庆大学 | 一种基于g729语音压缩编码算法的dsp优化方法 |
| 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 |
| EP2765791A1 (en) | 2013-02-08 | 2014-08-13 | Thomson Licensing | Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field |
-
2013
- 2013-04-29 EP EP13305558.2A patent/EP2800401A1/en not_active Withdrawn
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2014
- 2014-04-24 KR KR1020217008387A patent/KR102377798B1/ko active Active
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- 2017-07-14 US US15/650,674 patent/US9913063B2/en active Active
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- 2018-08-28 JP JP2018158976A patent/JP6606241B2/ja active Active
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- 2020-12-28 JP JP2020218142A patent/JP7023342B2/ja active Active
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- 2021-04-29 US US17/244,746 patent/US11284210B2/en active Active
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- 2025-07-23 JP JP2025123005A patent/JP2025157488A/ja active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5757927A (en) * | 1992-03-02 | 1998-05-26 | Trifield Productions Ltd. | Surround sound apparatus |
| US6628787B1 (en) * | 1998-03-31 | 2003-09-30 | Lake Technology Ltd | Wavelet conversion of 3-D audio signals |
| US20050080616A1 (en) * | 2001-07-19 | 2005-04-14 | Johahn Leung | Recording a three dimensional auditory scene and reproducing it for the individual listener |
| CN101401152A (zh) * | 2006-03-15 | 2009-04-01 | 法国电信公司 | 通过多通道音频信号的主分量分析进行编码的设备和方法 |
| EP2094032A1 (en) * | 2008-02-19 | 2009-08-26 | Deutsche Thomson OHG | Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same |
| CN102326417A (zh) * | 2008-12-30 | 2012-01-18 | 庞培法布拉大学巴塞隆纳媒体基金会 | 三维声场编码及优化重建的方法及装置 |
| CN102823277A (zh) * | 2010-03-26 | 2012-12-12 | 汤姆森特许公司 | 解码用于音频回放的音频声场表示的方法和装置 |
| WO2012059385A1 (en) * | 2010-11-05 | 2012-05-10 | Thomson Licensing | Data structure for higher order ambisonics audio data |
| CN102547549A (zh) * | 2010-12-21 | 2012-07-04 | 汤姆森特许公司 | 编码解码2或3维声场环绕声表示的连续帧的方法和装置 |
Non-Patent Citations (3)
| Title |
|---|
| Encoding Higher Order Ambisonics with AAC;Erik Hellerud等;《Audio Engineering Society》;20080520;1-8 * |
| Optimal Higher Order Ambisonics Encoding with Predefined Constraints;Haohai Sun等;《IEEE Transactions on Audio, Speech, and Language Processing》;20120331;第20卷(第3期);742-754 * |
| Plane-wave Decomposition of the Sound Field on A Sphere by Spherical Convolution;Boaz Rafaely;《Acoustical Society of America》;20041231;2149–2157 * |
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