CN110459229B - 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 - Google Patents

用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 Download PDF

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CN110459229B
CN110459229B CN201910861280.8A CN201910861280A CN110459229B CN 110459229 B CN110459229 B CN 110459229B CN 201910861280 A CN201910861280 A CN 201910861280A CN 110459229 B CN110459229 B CN 110459229B
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hoa
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CN110459229A (zh
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亚历山大·克鲁格
斯文·科尔东
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Dolby International AB
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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
    • 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
    • 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
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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CN201910861280.8A 2014-06-27 2015-06-22 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法 Active CN110459229B (zh)

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EP14306024.2 2014-06-27
EP14306024 2014-06-27
PCT/EP2015/063914 WO2015197514A1 (en) 2014-06-27 2015-06-22 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
CN201580035125.0A CN106471822B (zh) 2014-06-27 2015-06-22 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设备

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CN201910922110.6A Active CN110662158B (zh) 2014-06-27 2015-06-22 用于解码声音或声场的压缩hoa声音表示的方法和装置
CN202311556422.2A Pending CN117636885A (zh) 2014-06-27 2015-06-22 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
CN201910861296.9A Active CN110415712B (zh) 2014-06-27 2015-06-22 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
CN202311558626.XA Pending CN117612540A (zh) 2014-06-27 2015-06-22 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
CN201580035125.0A Active CN106471822B (zh) 2014-06-27 2015-06-22 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设备
CN201910861274.2A Active CN110556120B (zh) 2014-06-27 2015-06-22 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法

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CN202311556422.2A Pending CN117636885A (zh) 2014-06-27 2015-06-22 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
CN201910861296.9A Active CN110415712B (zh) 2014-06-27 2015-06-22 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
CN202311558626.XA Pending CN117612540A (zh) 2014-06-27 2015-06-22 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
CN201580035125.0A Active CN106471822B (zh) 2014-06-27 2015-06-22 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设备
CN201910861274.2A Active CN110556120B (zh) 2014-06-27 2015-06-22 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法

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US10015618B1 (en) * 2017-08-01 2018-07-03 Google Llc Incoherent idempotent ambisonics rendering
US10264386B1 (en) * 2018-02-09 2019-04-16 Google Llc Directional emphasis in ambisonics
GB2572761A (en) * 2018-04-09 2019-10-16 Nokia Technologies Oy Quantization of spatial audio parameters
KR102692707B1 (ko) 2018-12-07 2024-08-07 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 낮은 차수, 중간 차수 및 높은 차수 컴포넌트 생성기를 사용하는 DirAC 기반 공간 오디오 코딩과 관련된 인코딩, 디코딩, 장면 처리 및 기타 절차를 위한 장치, 방법 및 컴퓨터 프로그램
EP4189674B1 (en) 2020-07-30 2025-01-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for encoding an audio scene
WO2022082665A1 (en) * 2020-10-22 2022-04-28 Nokia Shanghai Bell Co., Ltd. Method, apparatus, and computer program
CN113314129B (zh) * 2021-04-30 2022-08-05 北京大学 一种适应环境的声场重放空间解码方法
CN113345448B (zh) * 2021-05-12 2022-08-05 北京大学 一种基于独立成分分析的hoa信号压缩方法
CN115376530A (zh) 2021-05-17 2022-11-22 华为技术有限公司 三维音频信号编码方法、装置和编码器
CN115376529B (zh) * 2021-05-17 2024-10-11 华为技术有限公司 三维音频信号编码方法、装置和编码器
CN115376528B (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
CN115497485B (zh) 2021-06-18 2024-10-18 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

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CN110662158B (zh) 2021-05-25
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TW202211207A (zh) 2022-03-16
JP7267340B2 (ja) 2023-05-01
US20190295562A1 (en) 2019-09-26
EP4354432A3 (en) 2024-06-26
KR20220044865A (ko) 2022-04-11
US20180308500A1 (en) 2018-10-25
EP4354432A2 (en) 2024-04-17
EP3860154B1 (en) 2024-02-21
KR102454747B1 (ko) 2022-10-17
CN117636885A (zh) 2024-03-01
TW201603001A (zh) 2016-01-16
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WO2015197514A1 (en) 2015-12-30
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CN110556120B (zh) 2023-02-28
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US9792924B2 (en) 2017-10-17
ES2974440T3 (es) 2024-06-27
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EP3162086A1 (en) 2017-05-03
US10262670B2 (en) 2019-04-16
CN110556120A (zh) 2019-12-10
CN110415712B (zh) 2023-12-12
CN110662158A (zh) 2020-01-07
US20180005641A1 (en) 2018-01-04
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EP3860154A1 (en) 2021-08-04
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US20170154633A1 (en) 2017-06-01
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US10037764B2 (en) 2018-07-31
JP6874115B2 (ja) 2021-05-19
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CN106471822B (zh) 2019-10-25
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