KR102327149B1 - Ｈｏａ 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 위한 방법 및 장치 - Google Patents

Ｈｏａ 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 위한 방법 및 장치 Download PDF

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KR102327149B1
KR102327149B1 KR1020167035546A KR20167035546A KR102327149B1 KR 102327149 B1 KR102327149 B1 KR 102327149B1 KR 1020167035546 A KR1020167035546 A KR 1020167035546A KR 20167035546 A KR20167035546 A KR 20167035546A KR 102327149 B1 KR102327149 B1 KR 102327149B1
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hoa
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KR20170026367A (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
    • H04S2420/11—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)
  • General Physics & Mathematics (AREA)
  • Algebra (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)
KR1020167035546A 2014-07-02 2015-07-02 Ｈｏａ 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 위한 방법 및 장치 Active KR102327149B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP14306077 2014-07-02
EP14306077.0 2014-07-02
EP14194182.3 2014-11-20
EP14194182.3A EP2963948A1 (en) 2014-07-02 2014-11-20 Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation
PCT/EP2015/065082 WO2016001352A1 (en) 2014-07-02 2015-07-02 Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation

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KR20170026367A KR20170026367A (ko) 2017-03-08
KR102327149B1 true KR102327149B1 (ko) 2021-11-16

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US (1) US10194257B2 (enExample)
EP (2) EP2963948A1 (enExample)
JP (1) JP6585094B2 (enExample)
KR (1) KR102327149B1 (enExample)
CN (1) CN106463130B (enExample)
BR (1) BR112016029148A2 (enExample)
TW (1) TW201606751A (enExample)
WO (1) WO2016001352A1 (enExample)

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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
WO2016162384A1 (en) * 2015-04-10 2016-10-13 Dolby International Ab Method for performing audio restauration, and apparatus for performing audio restauration
CN107945810B (zh) * 2016-10-13 2021-12-14 杭州米谟科技有限公司 用于编码和解码hoa或多声道数据的方法和装置
US10893373B2 (en) 2017-05-09 2021-01-12 Dolby Laboratories Licensing Corporation Processing of a multi-channel spatial audio format input signal
CN107610710B (zh) * 2017-09-29 2021-01-01 武汉大学 一种面向多音频对象的音频编码及解码方法
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
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
WO2025133006A1 (en) * 2023-12-21 2025-06-26 Dolby International Ab Efficient signalling of sub-band prediction parameters

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CN100546198C (zh) * 2006-10-20 2009-09-30 宁波大学 一种数字音乐作品认证信息的嵌入方法
TWI447709B (zh) * 2010-02-11 2014-08-01 杜比實驗室特許公司 用以非破壞地正常化可攜式裝置中音訊訊號響度之系統及方法
EP2469741A1 (en) * 2010-12-21 2012-06-27 Thomson Licensing Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
US9117440B2 (en) * 2011-05-19 2015-08-25 Dolby International Ab Method, apparatus, and medium for detecting frequency extension coding in the coding history of an audio signal
EP2665208A1 (en) 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US9288603B2 (en) * 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
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
EP2800401A1 (en) 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
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
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

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JP6585094B2 (ja) 2019-10-02
CN106463130B (zh) 2020-12-08
TW201606751A (zh) 2016-02-16
US10194257B2 (en) 2019-01-29
BR112016029148A2 (pt) 2017-08-22
EP3165006B1 (en) 2018-09-26
KR20170026367A (ko) 2017-03-08
WO2016001352A1 (en) 2016-01-07
EP2963948A1 (en) 2016-01-06
EP3165006A1 (en) 2017-05-10
CN106463130A (zh) 2017-02-22
JP2017520024A (ja) 2017-07-20
US20170156016A1 (en) 2017-06-01

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