JP2017501440A5 - - Google Patents

Download PDF

Info

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
Authority
JP
Japan
Prior art keywords
matrix
mode matrix
decoder
encoder
loudspeaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2016534923A
Other languages
English (en)
Japanese (ja)
Other versions
JP6495910B2 (ja
JP2017501440A (ja
Filing date
Publication date
Priority claimed from EP13306629.0A external-priority patent/EP2879408A1/en
Application filed filed Critical
Publication of JP2017501440A publication Critical patent/JP2017501440A/ja
Publication of JP2017501440A5 publication Critical patent/JP2017501440A5/ja
Application granted granted Critical
Publication of JP6495910B2 publication Critical patent/JP6495910B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 (enExample) 2017-11-30
JP6495910B2 JP6495910B2 (ja) 2019-04-03

Family

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 (enExample)
EP (3) EP2879408A1 (enExample)
JP (3) JP6495910B2 (enExample)
KR (2) KR102460817B1 (enExample)
CN (4) CN105981410B (enExample)
HK (3) HK1246554A1 (enExample)
WO (1) WO2015078732A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2011231565B2 (en) * 2010-03-26 2014-08-28 Dolby International Ab Method and device for decoding an audio soundfield representation for audio playback
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
CN111034225B (zh) * 2017-08-17 2021-09-24 高迪奥实验室公司 使用立体混响信号的音频信号处理方法和装置
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
JP2023553664A (ja) * 2020-12-17 2023-12-25 ドルビー・インターナショナル・アーベー 事前設定されたジェネレータを用いたオーディオデータの処理の方法及び装置
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
US7840411B2 (en) * 2005-03-30 2010-11-23 Koninklijke Philips Electronics N.V. Audio encoding and decoding
WO2006126115A2 (en) * 2005-05-25 2006-11-30 Koninklijke Philips Electronics N.V. Predictive encoding of a multi channel signal
EP2137725B1 (en) * 2007-04-26 2014-01-08 Dolby International AB Apparatus and method for synthesizing an output signal
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
WO2011041834A1 (en) * 2009-10-07 2011-04-14 The University Of Sydney Reconstruction of a recorded sound field
AU2011231565B2 (en) * 2010-03-26 2014-08-28 Dolby International Ab Method and device for decoding an audio soundfield representation for audio playback
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
BR122020017389B1 (pt) * 2012-07-16 2022-05-03 Dolby International Ab Método e dispositivo para renderização de uma representação de campo sonoro de áudio para reprodução de áudio e meio legível por computador
US9685163B2 (en) * 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients

Similar Documents

Publication Publication Date Title
MX2015016892A (es) Aparato y metodo para realizar un desvanecimiento de un espectro mdct a ruido blanco antes de aplicar fdns.
RU2017118830A (ru) Способ и устройство для сжатия и восстановления представления системы амбисоник высшего порядка для звукового поля
IL314275B2 (en) Audio scene encoding
PH12016502120B1 (en) Coding vectors decomposed from higher-order ambisonics audio signals
WO2015116949A3 (en) Coding independent frames of ambient higher-order ambisonic coefficients
JP2017511620A5 (enExample)
JP2016524877A5 (enExample)
MX340575B (es) Aparato y metodo para codificar y decodificar una señal de audio codificada utilizando modelado de ruido temporal/de parche.
WO2018008904A3 (ko) 비디오 신호 처리 방법 및 장치
BR112013032878A2 (pt) método e aparelho para mudar as posições relativas de objetos de som contidos dentro de uma representação ambisônica de ordem superior
JP2017507350A5 (enExample)
NZ726830A (en) Reducing correlation between higher order ambisonic (hoa) background channels
JP2012133366A5 (enExample)
MX356036B (es) Decodificador de audio y método para proveer una información de audio decodificada usando un ocultamiento de error que modifica una señal de excitación de dominio de tiempo.
MX386262B (es) Codificador y decodificador de audio con metadatos de limite y sonoridad de programa
MX355959B (es) Re-muestreo de una señal de audio para una codificación/decodifica ción con bajo retardo.
MX378540B (es) Aparato codificador, metodo de codificacion, aparato decodificador, metodo de decodificacion, y programa.
RU2015116434A (ru) Кодер, декодер и способы для обратно совместимого пространственного кодирования аудиообъектов с переменным разрешением
MX340432B (es) Metodo de codificacion de imagenes en movimiento, aparato de codificacion de imagenes en movimiento, metodo de decodificacion de imagenes en movimiento y aparato de decodificacion de imagenes en movimiento.
MX2022011447A (es) Metodo y aparato para decodificar una representacion de campo sonoro de audio ambisonics para la reproduccion de audio utilizando configuraciones 2d.
JP2018534617A5 (enExample)
EP4358085A3 (en) Signal processing device, method, and program
JP2016528805A5 (enExample)
JP2019535207A5 (enExample)
EP3489953A3 (en) Method for determining for the compression of an hoa data frame representation a lowest integer number of bits required for representing non-differential gain values