KR102460817B1 - 특이 값 분해를 사용하여 고차 앰비소닉스 인코딩 및 디코딩하기 위한 방법 및 장치 - Google Patents

특이 값 분해를 사용하여 고차 앰비소닉스 인코딩 및 디코딩하기 위한 방법 및 장치 Download PDF

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KR102460817B1
KR102460817B1 KR1020217034751A KR20217034751A KR102460817B1 KR 102460817 B1 KR102460817 B1 KR 102460817B1 KR 1020217034751 A KR1020217034751 A KR 1020217034751A KR 20217034751 A KR20217034751 A KR 20217034751A KR 102460817 B1 KR102460817 B1 KR 102460817B1
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decoder
matrix
vectors
mode matrix
ambisonics
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KR20210132744A (ko
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홀거 크롭
스테판 아벨링
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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
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/308—Electronic adaptation dependent on speaker or headphone connection
    • 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 
    • 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)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020217034751A 2013-11-28 2014-11-18 특이 값 분해를 사용하여 고차 앰비소닉스 인코딩 및 디코딩하기 위한 방법 및 장치 Active KR102460817B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP13306629.0 2013-11-28
EP13306629.0A EP2879408A1 (en) 2013-11-28 2013-11-28 Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
PCT/EP2014/074903 WO2015078732A1 (en) 2013-11-28 2014-11-18 Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
KR1020167014251A KR102319904B1 (ko) 2013-11-28 2014-11-18 특이 값 분해를 사용하여 고차 앰비소닉스 인코딩 및 디코딩하기 위한 방법 및 장치

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KR20210132744A KR20210132744A (ko) 2021-11-04
KR102460817B1 true KR102460817B1 (ko) 2022-10-31

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KR1020167014251A Active KR102319904B1 (ko) 2013-11-28 2014-11-18 특이 값 분해를 사용하여 고차 앰비소닉스 인코딩 및 디코딩하기 위한 방법 및 장치

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US (3) US9736608B2 (https=)
EP (3) EP2879408A1 (https=)
JP (3) JP6495910B2 (https=)
KR (2) KR102460817B1 (https=)
CN (4) CN107995582A (https=)
HK (3) HK1246554A1 (https=)
WO (1) WO2015078732A1 (https=)

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ES2472456T3 (es) * 2010-03-26 2014-07-01 Thomson Licensing Método y dispositivo para decodificar una representación de un campo ac�stico de audio para reproducción de audio
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
KR102128281B1 (ko) * 2017-08-17 2020-06-30 가우디오랩 주식회사 앰비소닉 신호를 사용하는 오디오 신호 처리 방법 및 장치
JP6920144B2 (ja) * 2017-09-07 2021-08-18 日本放送協会 バイノーラル再生用の係数行列算出装置及びプログラム
US10264386B1 (en) * 2018-02-09 2019-04-16 Google Llc Directional emphasis in ambisonics
DE112020007331T5 (de) * 2020-06-19 2023-03-30 Mitsubishi Electric Corporation Fehlerzeichenbestimmungseinrichtung, bordeinrichtung und fehlerzeichenbestimmungsverfahren
EP4668160A3 (en) * 2020-12-17 2026-03-04 Dolby International AB Method and apparatus for processing of audio data using a pre-configured generator
CN113115157B (zh) * 2021-04-13 2024-05-03 北京安声科技有限公司 耳机的主动降噪方法及装置、半入耳式主动降噪耳机
CN115938388A (zh) * 2021-05-31 2023-04-07 华为技术有限公司 一种三维音频信号的处理方法和装置
JP7663427B2 (ja) * 2021-06-25 2025-04-16 日本放送協会 頭部伝達関数モデリング装置及びプログラム
CN115374397B (zh) * 2022-07-19 2025-10-03 广州大学 一种基于广义奇异值分解构造无线通信预编码器的方法
CN117250604B (zh) * 2023-11-17 2024-02-13 中国海洋大学 一种目标反射信号与浅海混响的分离方法

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WO2013171083A1 (en) 2012-05-14 2013-11-21 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics signal representation

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EP1866913B1 (en) * 2005-03-30 2008-08-27 Koninklijke Philips Electronics N.V. Audio encoding and decoding
RU2007143418A (ru) * 2005-05-25 2009-05-27 Конинклейке Филипс Электроникс Н.В. (Nl) Кодирование с предсказанием многоканального сигнала
CA2684975C (en) * 2007-04-26 2016-08-02 Dolby Sweden Ab Apparatus and method for synthesizing an output signal
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ES2472456T3 (es) * 2010-03-26 2014-07-01 Thomson Licensing Método y dispositivo para decodificar una representación de un campo ac�stico de audio para reproducción de audio
NZ587483A (en) 2010-08-20 2012-12-21 Ind Res Ltd Holophonic speaker system with filters that are pre-configured based on acoustic transfer functions
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
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
EP2592846A1 (en) * 2011-11-11 2013-05-15 Thomson Licensing Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field
EP2637427A1 (en) * 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
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WO2013171083A1 (en) 2012-05-14 2013-11-21 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics signal representation

Also Published As

Publication number Publication date
US20170374485A1 (en) 2017-12-28
KR102319904B1 (ko) 2021-11-02
KR20160090824A (ko) 2016-08-01
EP3313100B1 (en) 2021-02-24
JP6495910B2 (ja) 2019-04-03
JP6980837B2 (ja) 2021-12-15
US10244339B2 (en) 2019-03-26
US9736608B2 (en) 2017-08-15
WO2015078732A1 (en) 2015-06-04
HK1248438A1 (zh) 2018-10-12
US20170006401A1 (en) 2017-01-05
JP2019082741A (ja) 2019-05-30
JP2017501440A (ja) 2017-01-12
KR20210132744A (ko) 2021-11-04
US20190281400A1 (en) 2019-09-12
HK1249323A1 (zh) 2018-10-26
EP3313100A1 (en) 2018-04-25
EP3075172A1 (en) 2016-10-05
JP2020149062A (ja) 2020-09-17
CN105981410B (zh) 2018-01-02
US10602293B2 (en) 2020-03-24
EP3075172B1 (en) 2017-12-13
HK1246554A1 (zh) 2018-09-07
CN108093358A (zh) 2018-05-29
CN107995582A (zh) 2018-05-04
CN107889045A (zh) 2018-04-06
CN105981410A (zh) 2016-09-28
JP6707687B2 (ja) 2020-06-10
EP2879408A1 (en) 2015-06-03

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