TWI618049B - 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 - Google Patents
高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 Download PDFInfo
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- TWI618049B TWI618049B TW106122256A TW106122256A TWI618049B TW I618049 B TWI618049 B TW I618049B TW 106122256 A TW106122256 A TW 106122256A TW 106122256 A TW106122256 A TW 106122256A TW I618049 B TWI618049 B TW I618049B
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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
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
- H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
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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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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
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- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
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- General Physics & Mathematics (AREA)
- Algebra (AREA)
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- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- User Interface Of Digital Computer (AREA)
- Circuit For Audible Band Transducer (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| EP12305537.8 | 2012-05-14 | ||
| EP12305537.8A EP2665208A1 (en) | 2012-05-14 | 2012-05-14 | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
Publications (2)
| Publication Number | Publication Date |
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| TW201738879A TW201738879A (zh) | 2017-11-01 |
| TWI618049B true TWI618049B (zh) | 2018-03-11 |
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| TW106122256A TWI618049B (zh) | 2012-05-14 | 2013-05-03 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 |
| TW106146055A TWI634546B (zh) | 2012-05-14 | 2013-05-03 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 |
| TW102115828A TWI600005B (zh) | 2012-05-14 | 2013-05-03 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 |
| TW107119510A TWI666627B (zh) | 2012-05-14 | 2013-05-03 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 |
| TW110112090A TWI823073B (zh) | 2012-05-14 | 2013-05-03 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置以及非暫時性電腦可讀取媒體 |
| TW108114778A TWI725419B (zh) | 2012-05-14 | 2013-05-03 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 |
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| TW102115828A TWI600005B (zh) | 2012-05-14 | 2013-05-03 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 |
| TW107119510A TWI666627B (zh) | 2012-05-14 | 2013-05-03 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 |
| TW110112090A TWI823073B (zh) | 2012-05-14 | 2013-05-03 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置以及非暫時性電腦可讀取媒體 |
| TW108114778A TWI725419B (zh) | 2012-05-14 | 2013-05-03 | 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置 |
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| TW (6) | TWI618049B (enExample) |
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Families Citing this family (54)
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| 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 |
| 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 |
| EP2800401A1 (en) | 2013-04-29 | 2014-11-05 | Thomson Licensing | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| US9769586B2 (en) * | 2013-05-29 | 2017-09-19 | Qualcomm Incorporated | Performing order reduction with respect to higher order ambisonic coefficients |
| US20150127354A1 (en) * | 2013-10-03 | 2015-05-07 | Qualcomm Incorporated | Near field compensation for decomposed representations of a sound field |
| EP2879408A1 (en) * | 2013-11-28 | 2015-06-03 | Thomson Licensing | Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition |
| JP6530412B2 (ja) * | 2014-01-08 | 2019-06-12 | ドルビー・インターナショナル・アーベー | 音場の高次アンビソニックス表現を符号化するために必要とされるサイド情報の符号化を改善する方法および装置 |
| 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 |
| US10412522B2 (en) | 2014-03-21 | 2019-09-10 | Qualcomm Incorporated | Inserting audio channels into descriptions of soundfields |
| CN109410961B (zh) * | 2014-03-21 | 2023-08-25 | 杜比国际公司 | 用于对压缩的hoa信号进行解码的方法、装置和存储介质 |
| 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 |
| WO2015140292A1 (en) * | 2014-03-21 | 2015-09-24 | 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 |
| KR102005298B1 (ko) | 2014-03-24 | 2019-07-30 | 돌비 인터네셔널 에이비 | 고차 앰비소닉스 신호에 동적 범위 압축을 적용하는 방법 및 디바이스 |
| JP6374980B2 (ja) | 2014-03-26 | 2018-08-15 | パナソニック株式会社 | サラウンドオーディオ信号処理のための装置及び方法 |
| US10134403B2 (en) * | 2014-05-16 | 2018-11-20 | Qualcomm Incorporated | Crossfading between higher order ambisonic signals |
| US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
| US9620137B2 (en) | 2014-05-16 | 2017-04-11 | Qualcomm Incorporated | Determining between scalar and vector quantization in higher order ambisonic coefficients |
| US9852737B2 (en) | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics audio signals |
| 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 |
| CN107077852B (zh) | 2014-06-27 | 2020-12-04 | 杜比国际公司 | 包括与hoa数据帧表示的特定数据帧的通道信号关联的非差分增益值的编码hoa数据帧表示 |
| CN113808598B (zh) | 2014-06-27 | 2025-03-18 | 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 |
| EP3860154B1 (en) * | 2014-06-27 | 2024-02-21 | Dolby International AB | Method for decoding a compressed hoa dataframe representation of a sound field. |
| EP3164867A1 (en) | 2014-07-02 | 2017-05-10 | Dolby International AB | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation |
| CN106463131B (zh) | 2014-07-02 | 2020-12-08 | 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 |
| 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 |
| WO2016001357A1 (en) * | 2014-07-02 | 2016-01-07 | Thomson Licensing | Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa representation |
| 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 |
| US9838819B2 (en) * | 2014-07-02 | 2017-12-05 | Qualcomm Incorporated | Reducing correlation between higher order ambisonic (HOA) background channels |
| CN106576204B (zh) | 2014-07-03 | 2019-08-20 | 杜比实验室特许公司 | 声场的辅助增大 |
| 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 |
| EP3073488A1 (en) | 2015-03-24 | 2016-09-28 | Thomson Licensing | Method and apparatus for embedding and regaining watermarks in an ambisonics 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 |
| US10468037B2 (en) | 2015-07-30 | 2019-11-05 | Dolby Laboratories Licensing Corporation | Method and apparatus for generating from an HOA signal representation a mezzanine HOA signal representation |
| CN107925837B (zh) | 2015-08-31 | 2020-09-22 | 杜比国际公司 | 对压缩hoa信号逐帧组合解码和渲染的方法以及对压缩hoa信号逐帧组合解码和渲染的装置 |
| MX392462B (es) | 2015-10-08 | 2025-03-24 | Dolby Int Ab | Codificacion en capas para representaciones de sonido o campo de sonido comprimidas |
| IL300036B2 (en) | 2015-10-08 | 2024-04-01 | Dolby Int Ab | Layered coding for voice or compressed sound field representations |
| US9959880B2 (en) * | 2015-10-14 | 2018-05-01 | Qualcomm Incorporated | Coding higher-order ambisonic coefficients during multiple transitions |
| EP3716653B1 (en) * | 2015-11-17 | 2023-06-07 | Dolby International AB | Headtracking for parametric binaural output system |
| US20180338212A1 (en) * | 2017-05-18 | 2018-11-22 | Qualcomm Incorporated | Layered intermediate compression for higher order ambisonic audio data |
| US10595146B2 (en) * | 2017-12-21 | 2020-03-17 | Verizon Patent And Licensing Inc. | Methods and systems for extracting location-diffused ambient sound from a real-world scene |
| US10657974B2 (en) * | 2017-12-21 | 2020-05-19 | Qualcomm Incorporated | Priority information for higher order ambisonic audio data |
| JP6652990B2 (ja) * | 2018-07-20 | 2020-02-26 | パナソニック株式会社 | サラウンドオーディオ信号処理のための装置及び方法 |
| CN110211038A (zh) * | 2019-04-29 | 2019-09-06 | 南京航空航天大学 | 基于dirac残差深度神经网络的超分辨率重建方法 |
| US11538489B2 (en) * | 2019-06-24 | 2022-12-27 | Qualcomm Incorporated | Correlating scene-based audio data for psychoacoustic audio coding |
| WO2022122861A1 (en) * | 2020-12-08 | 2022-06-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal characteristic determinator, method for determining a signal characteristic, audio encoder and computer program |
| CN113449255B (zh) * | 2021-06-15 | 2022-11-11 | 电子科技大学 | 一种改进的稀疏约束下环境分量相位角估计方法、设备及存储介质 |
| 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 |
| CN115096428B (zh) * | 2022-06-21 | 2023-01-24 | 天津大学 | 一种声场重建方法、装置、计算机设备和存储介质 |
| CN117150228B (zh) * | 2023-08-28 | 2025-08-08 | 中国科学院上海光学精密机械研究所 | 基于空间离差的分布式光纤振动传感系统低频噪声抑制方法 |
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