JP6542269B2 - 圧縮ｈｏａ表現をデコードする方法および装置ならびに圧縮ｈｏａ表現をエンコードする方法および装置 - Google Patents

圧縮ｈｏａ表現をデコードする方法および装置ならびに圧縮ｈｏａ表現をエンコードする方法および装置 Download PDF

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JP6542269B2
JP6542269B2 JP2016573839A JP2016573839A JP6542269B2 JP 6542269 B2 JP6542269 B2 JP 6542269B2 JP 2016573839 A JP2016573839 A JP 2016573839A JP 2016573839 A JP2016573839 A JP 2016573839A JP 6542269 B2 JP6542269 B2 JP 6542269B2
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hoa
subband
representation
directions
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JP2017523451A (ja
JP2017523451A5 (enExample
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クルーガー，アレクサンダー
コルドン，スヴェン
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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
    • G10L19/008—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

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  • 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)
JP2016573839A 2014-07-02 2015-07-02 圧縮ｈｏａ表現をデコードする方法および装置ならびに圧縮ｈｏａ表現をエンコードする方法および装置 Active JP6542269B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP14306080 2014-07-02
EP14306080.4 2014-07-02
EP14194186.4 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
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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JP2017523451A JP2017523451A (ja) 2017-08-17
JP2017523451A5 JP2017523451A5 (enExample) 2018-08-09
JP6542269B2 true JP6542269B2 (ja) 2019-07-10

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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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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

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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
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
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EP3165005B1 (en) 2018-11-28
KR102296067B1 (ko) 2021-09-01
EP2963949A1 (en) 2016-01-06
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
TWI657434B (zh) 2019-04-21
US20170164131A1 (en) 2017-06-08
WO2016001356A1 (en) 2016-01-07
EP3165005A1 (en) 2017-05-10
CN106663432B (zh) 2021-02-02

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