TW201606751A - 將高階保真立體音響信號表示之次頻帶內主導方向信號之方向編碼／解碼之方法及裝置 - Google Patents

將高階保真立體音響信號表示之次頻帶內主導方向信號之方向編碼／解碼之方法及裝置 Download PDF

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Publication number
TW201606751A
TW201606751A TW104121237A TW104121237A TW201606751A TW 201606751 A TW201606751 A TW 201606751A TW 104121237 A TW104121237 A TW 104121237A TW 104121237 A TW104121237 A TW 104121237A TW 201606751 A TW201606751 A TW 201606751A
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Taiwan
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band
sub
index
frequency
hoa
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TW104121237A
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Chinese (zh)
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亞歷山大 克魯格
斯凡 柯登
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湯姆生特許公司
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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)
TW104121237A 2014-07-02 2015-07-01 將高階保真立體音響信號表示之次頻帶內主導方向信號之方向編碼／解碼之方法及裝置 TW201606751A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14306077 2014-07-02
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

Publications (1)

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TW201606751A true TW201606751A (zh) 2016-02-16

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TW104121237A TW201606751A (zh) 2014-07-02 2015-07-01 將高階保真立體音響信號表示之次頻帶內主導方向信號之方向編碼／解碼之方法及裝置

Country Status (8)

Country Link
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)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN107945810A (zh) * 2016-10-13 2018-04-20 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

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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
HK1244946B (en) * 2015-04-10 2019-12-13 Dolby International Ab Method for performing audio restauration, and apparatus for performing audio restauration
JP7224302B2 (ja) 2017-05-09 2023-02-17 ドルビー ラボラトリーズ ライセンシング コーポレイション マルチチャネル空間的オーディオ・フォーマット入力信号の処理
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
TWI529703B (zh) * 2010-02-11 2016-04-11 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
KR101572034B1 (ko) * 2011-05-19 2015-11-26 돌비 레버러토리즈 라이쎈싱 코오포레이션 파라메트릭 오디오 코딩 방식들의 포렌식 검출
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107945810A (zh) * 2016-10-13 2018-04-20 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

Also Published As

Publication number Publication date
US20170156016A1 (en) 2017-06-01
EP3165006A1 (en) 2017-05-10
EP3165006B1 (en) 2018-09-26
CN106463130B (zh) 2020-12-08
KR20170026367A (ko) 2017-03-08
JP2017520024A (ja) 2017-07-20
BR112016029148A2 (pt) 2017-08-22
EP2963948A1 (en) 2016-01-06
JP6585094B2 (ja) 2019-10-02
US10194257B2 (en) 2019-01-29
KR102327149B1 (ko) 2021-11-16
CN106463130A (zh) 2017-02-22
WO2016001352A1 (en) 2016-01-07

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