KR102296067B1 - 압축된 ｈｏａ 표현을 디코딩하기 위한 방법 및 장치와 압축된 ｈｏａ 표현을 인코딩하기 위한 방법 및 장치 - Google Patents

압축된 ｈｏａ 표현을 디코딩하기 위한 방법 및 장치와 압축된 ｈｏａ 표현을 인코딩하기 위한 방법 및 장치 Download PDF

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KR102296067B1
KR102296067B1 KR1020167035529A KR20167035529A KR102296067B1 KR 102296067 B1 KR102296067 B1 KR 102296067B1 KR 1020167035529 A KR1020167035529 A KR 1020167035529A KR 20167035529 A KR20167035529 A KR 20167035529A KR 102296067 B1 KR102296067 B1 KR 102296067B1
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subband
hoa
dir
directions
coefficient sequences
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KR20170024581A (ko
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알렉산더 크뢰거
스벤 고돈
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돌비 인터네셔널 에이비
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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
    • 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 
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020167035529A 2014-07-02 2015-07-02 압축된 ｈｏａ 표현을 디코딩하기 위한 방법 및 장치와 압축된 ｈｏａ 표현을 인코딩하기 위한 방법 및 장치 Active KR102296067B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP14306080 2014-07-02
EP14306080.4 2014-07-02
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
EP14194186.4 2014-11-20
PCT/EP2015/065086 WO2016001356A1 (en) 2014-07-02 2015-07-02 Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa representation

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KR20170024581A KR20170024581A (ko) 2017-03-07
KR102296067B1 true KR102296067B1 (ko) 2021-09-01

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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)

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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
CN111630593B (zh) 2018-01-18 2021-12-28 杜比实验室特许公司 用于译码声场表示信号的方法和装置
SG11202007182UA (en) 2018-02-01 2020-08-28 Fraunhofer Ges Forschung Audio scene encoder, audio scene decoder and related methods using hybrid encoder/decoder spatial analysis
CN112567769B (zh) * 2018-08-21 2022-11-04 索尼公司 音频再现装置、音频再现方法和存储介质
KR102837743B1 (ko) 2018-11-13 2025-07-23 돌비 레버러토리즈 라이쎈싱 코오포레이션 오디오 신호 및 연관된 메타데이터에 의해 공간 오디오를 표현하는 것
SG11202103700QA (en) 2018-11-13 2021-05-28 Dolby Laboratories Licensing Corp Audio processing in immersive audio services
CA3145045A1 (en) * 2019-07-08 2021-01-14 Voiceage Corporation Method and system for coding metadata in audio streams and for flexible intra-object and inter-object bitrate adaptation
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
US12417773B2 (en) 2020-08-27 2025-09-16 Apple Inc. Stereo-based immersive coding
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
CN115376527A (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
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

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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
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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
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TW201603004A (zh) 2016-01-16
EP3165005B1 (en) 2018-11-28
CN106663432B (zh) 2021-02-02
JP2017523451A (ja) 2017-08-17
US9774975B2 (en) 2017-09-26
EP2963949A1 (en) 2016-01-06
US20170164131A1 (en) 2017-06-08
TWI657434B (zh) 2019-04-21
KR20170024581A (ko) 2017-03-07
CN106663432A (zh) 2017-05-10
WO2016001356A1 (en) 2016-01-07
EP3165005A1 (en) 2017-05-10
JP6542269B2 (ja) 2019-07-10

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