JP2017501440A5 - - Google Patents

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Publication number
JP2017501440A5
JP2017501440A5 JP2016534923A JP2016534923A JP2017501440A5 JP 2017501440 A5 JP2017501440 A5 JP 2017501440A5 JP 2016534923 A JP2016534923 A JP 2016534923A JP 2016534923 A JP2016534923 A JP 2016534923A JP 2017501440 A5 JP2017501440 A5 JP 2017501440A5
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JP
Japan
Prior art keywords
matrix
mode matrix
decoder
encoder
loudspeaker
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JP2016534923A
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English (en)
Japanese (ja)
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JP6495910B2 (ja
JP2017501440A (ja
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Priority claimed from EP13306629.0A external-priority patent/EP2879408A1/en
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Publication of JP2017501440A5 publication Critical patent/JP2017501440A5/ja
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Publication of JP6495910B2 publication Critical patent/JP6495910B2/ja
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JP2016534923A 2013-11-28 2014-11-18 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ符号化と復号の方法と装置 Active JP6495910B2 (ja)

Applications Claiming Priority (3)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2019041597A Division JP6707687B2 (ja) 2013-11-28 2019-03-07 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ復号の方法と装置

Publications (3)

Publication Number Publication Date
JP2017501440A JP2017501440A (ja) 2017-01-12
JP2017501440A5 true JP2017501440A5 (OSRAM) 2017-11-30
JP6495910B2 JP6495910B2 (ja) 2019-04-03

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ID=49765434

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2016534923A Active JP6495910B2 (ja) 2013-11-28 2014-11-18 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ符号化と復号の方法と装置
JP2019041597A Active JP6707687B2 (ja) 2013-11-28 2019-03-07 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ復号の方法と装置
JP2020087853A Active JP6980837B2 (ja) 2013-11-28 2020-05-20 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ復号の方法と装置

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2019041597A Active JP6707687B2 (ja) 2013-11-28 2019-03-07 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ復号の方法と装置
JP2020087853A Active JP6980837B2 (ja) 2013-11-28 2020-05-20 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ復号の方法と装置

Country Status (7)

Country Link
US (3) US9736608B2 (OSRAM)
EP (3) EP2879408A1 (OSRAM)
JP (3) JP6495910B2 (OSRAM)
KR (2) KR102319904B1 (OSRAM)
CN (4) CN107889045A (OSRAM)
HK (3) HK1246554A1 (OSRAM)
WO (1) WO2015078732A1 (OSRAM)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT2553947E (pt) 2010-03-26 2014-06-24 Thomson Licensing Método e dispositivo para descodificar uma representação de um campo sonoro de áudio para a reprodução de áudio
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
WO2019035622A1 (ko) * 2017-08-17 2019-02-21 가우디오디오랩 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
US12496907B2 (en) * 2020-06-19 2025-12-16 Mitsubishi Electric Corporation Failure sign determination device, onboard device, and failure sign determination method
EP4668160A2 (en) * 2020-12-17 2025-12-24 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

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06202700A (ja) * 1991-04-25 1994-07-22 Japan Radio Co Ltd 音声符号化装置
FR2858512A1 (fr) 2003-07-30 2005-02-04 France Telecom Procede et dispositif de traitement de donnees sonores en contexte ambiophonique
KR20130079627A (ko) * 2005-03-30 2013-07-10 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 인코딩 및 디코딩
MX2007014570A (es) * 2005-05-25 2008-02-11 Koninkl Philips Electronics Nv Codificacion predictiva de una senal de canales multiples.
BRPI0809760B1 (pt) * 2007-04-26 2020-12-01 Dolby International Ab aparelho e método para sintetizar um sinal de saída
GB0817950D0 (en) 2008-10-01 2008-11-05 Univ Southampton Apparatus and method for sound reproduction
US8391500B2 (en) 2008-10-17 2013-03-05 University Of Kentucky Research Foundation Method and system for creating three-dimensional spatial audio
EP2486561B1 (en) * 2009-10-07 2016-03-30 The University Of Sydney Reconstruction of a recorded sound field
PT2553947E (pt) * 2010-03-26 2014-06-24 Thomson Licensing Método e dispositivo para descodificar uma representação de um campo sonoro de áudio para a reprodução de áudio
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
EP2645748A1 (en) * 2012-03-28 2013-10-02 Thomson Licensing Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics 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
EP2688066A1 (en) * 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
CN106658342B (zh) * 2012-07-16 2020-02-14 杜比国际公司 用于渲染音频声场表示以供音频回放的方法和设备
US9959875B2 (en) * 2013-03-01 2018-05-01 Qualcomm Incorporated Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams

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