JP2015526759A5 - - Google Patents

Download PDF

Info

Publication number
JP2015526759A5
JP2015526759A5 JP2015522077A JP2015522077A JP2015526759A5 JP 2015526759 A5 JP2015526759 A5 JP 2015526759A5 JP 2015522077 A JP2015522077 A JP 2015522077A JP 2015522077 A JP2015522077 A JP 2015522077A JP 2015526759 A5 JP2015526759 A5 JP 2015526759A5
Authority
JP
Japan
Prior art keywords
rotation
dsht
channel
axis
spatial
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
JP2015522077A
Other languages
English (en)
Japanese (ja)
Other versions
JP6205416B2 (ja
JP2015526759A (ja
Filing date
Publication date
Priority claimed from EP12305861.2A external-priority patent/EP2688066A1/en
Application filed filed Critical
Publication of JP2015526759A publication Critical patent/JP2015526759A/ja
Publication of JP2015526759A5 publication Critical patent/JP2015526759A5/ja
Application granted granted Critical
Publication of JP6205416B2 publication Critical patent/JP6205416B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2015522077A 2012-07-16 2013-07-16 ノイズ削減のための多チャネルhoaオーディオ信号をエンコードする方法および装置ならびにノイズ削減のための多チャネルhoaオーディオ信号をデコードする方法および装置 Active JP6205416B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12305861.2A EP2688066A1 (en) 2012-07-16 2012-07-16 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
EP12305861.2 2012-07-16
PCT/EP2013/065032 WO2014012944A1 (en) 2012-07-16 2013-07-16 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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2017169358A Division JP6453961B2 (ja) 2012-07-16 2017-09-04 ノイズ削減のための多チャネルhoaオーディオ信号をエンコードする方法および装置ならびにノイズ削減のための多チャネルhoaオーディオ信号をデコードする方法および装置

Publications (3)

Publication Number Publication Date
JP2015526759A JP2015526759A (ja) 2015-09-10
JP2015526759A5 true JP2015526759A5 (https=) 2016-08-18
JP6205416B2 JP6205416B2 (ja) 2017-09-27

Family

ID=48874263

Family Applications (4)

Application Number Title Priority Date Filing Date
JP2015522077A Active JP6205416B2 (ja) 2012-07-16 2013-07-16 ノイズ削減のための多チャネルhoaオーディオ信号をエンコードする方法および装置ならびにノイズ削減のための多チャネルhoaオーディオ信号をデコードする方法および装置
JP2017169358A Active JP6453961B2 (ja) 2012-07-16 2017-09-04 ノイズ削減のための多チャネルhoaオーディオ信号をエンコードする方法および装置ならびにノイズ削減のための多チャネルhoaオーディオ信号をデコードする方法および装置
JP2018233042A Active JP6676138B2 (ja) 2012-07-16 2018-12-13 ノイズ削減のための多チャネルhoaオーディオ信号をエンコードする方法および装置ならびにノイズ削減のための多チャネルhoaオーディオ信号をデコードする方法および装置
JP2020041510A Active JP6866519B2 (ja) 2012-07-16 2020-03-11 ノイズ削減のための多チャネルhoaオーディオ信号をエンコードする方法および装置ならびにノイズ削減のための多チャネルhoaオーディオ信号をデコードする方法および装置

Family Applications After (3)

Application Number Title Priority Date Filing Date
JP2017169358A Active JP6453961B2 (ja) 2012-07-16 2017-09-04 ノイズ削減のための多チャネルhoaオーディオ信号をエンコードする方法および装置ならびにノイズ削減のための多チャネルhoaオーディオ信号をデコードする方法および装置
JP2018233042A Active JP6676138B2 (ja) 2012-07-16 2018-12-13 ノイズ削減のための多チャネルhoaオーディオ信号をエンコードする方法および装置ならびにノイズ削減のための多チャネルhoaオーディオ信号をデコードする方法および装置
JP2020041510A Active JP6866519B2 (ja) 2012-07-16 2020-03-11 ノイズ削減のための多チャネルhoaオーディオ信号をエンコードする方法および装置ならびにノイズ削減のための多チャネルhoaオーディオ信号をデコードする方法および装置

Country Status (7)

Country Link
US (4) US9460728B2 (https=)
EP (5) EP2688066A1 (https=)
JP (4) JP6205416B2 (https=)
KR (5) KR20210156311A (https=)
CN (6) CN107403625B (https=)
TW (4) TWI674009B (https=)
WO (1) WO2014012944A1 (https=)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR102201713B1 (ko) 2012-07-19 2021-01-12 돌비 인터네셔널 에이비 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스
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
US9495968B2 (en) 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US20150127354A1 (en) * 2013-10-03 2015-05-07 Qualcomm Incorporated Near field compensation for decomposed representations of a sound field
EP2879408A1 (en) 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9502045B2 (en) * 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
KR20240162584A (ko) * 2014-03-21 2024-11-15 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
EP4539046A1 (en) 2014-03-21 2025-04-16 Dolby International AB Method for compressing a higher order ambisonics (hoa) signal, method for decompressing a compressed hoa signal, apparatus for compressing a hoa signal, and apparatus for decompressing a compressed hoa signal
EP2922057A1 (en) * 2014-03-21 2015-09-23 Thomson Licensing Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal
EP2934025A1 (en) * 2014-04-15 2015-10-21 Thomson Licensing Method and device for applying dynamic range compression to a higher order ambisonics signal
CA3251760A1 (en) * 2014-03-24 2025-10-30 Dolby International Ab Method and device for applying Dynamic Range Compression to a Higher Order Ambisonics signal
CN103888889B (zh) * 2014-04-07 2016-01-13 北京工业大学 一种基于球谐展开的多声道转换方法
US9852737B2 (en) * 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US10770087B2 (en) * 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
KR20250085845A (ko) * 2014-06-27 2025-06-12 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치
EP2960903A1 (en) * 2014-06-27 2015-12-30 Thomson Licensing Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
KR20250051142A (ko) * 2014-06-27 2025-04-16 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 데이터 프레임들 중 특정 데이터 프레임들의 채널 신호들과 연관된 비차분 이득 값들을 포함하는 코딩된 hoa 데이터 프레임 표현
US9922657B2 (en) * 2014-06-27 2018-03-20 Dolby Laboratories Licensing Corporation 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
US9838819B2 (en) * 2014-07-02 2017-12-05 Qualcomm Incorporated Reducing correlation between higher order ambisonic (HOA) background channels
EP2980789A1 (en) 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhancing an audio signal, sound enhancing system
US9736606B2 (en) * 2014-08-01 2017-08-15 Qualcomm Incorporated Editing of higher-order ambisonic audio data
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
US9984693B2 (en) 2014-10-10 2018-05-29 Qualcomm Incorporated Signaling channels for scalable coding of higher order ambisonic audio data
US10140996B2 (en) * 2014-10-10 2018-11-27 Qualcomm Incorporated Signaling layers for scalable coding of higher order ambisonic audio data
EP3007167A1 (en) * 2014-10-10 2016-04-13 Thomson Licensing Method and apparatus for low bit rate compression of a Higher Order Ambisonics HOA signal representation of a sound field
KR20170134467A (ko) * 2015-04-10 2017-12-06 톰슨 라이센싱 다수의 오디오 신호들을 인코딩하기 위한 방법 및 디바이스, 그리고 개선된 분리로 다수의 오디오 신호들의 혼합을 디코딩하기 위한 방법 및 디바이스
US12087311B2 (en) * 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
US10600425B2 (en) * 2015-11-17 2020-03-24 Dolby Laboratories Licensing Corporation Method and apparatus for converting a channel-based 3D audio signal to an HOA audio signal
HK1221372A2 (zh) * 2016-03-29 2017-05-26 万维数码有限公司 一种获得空间音频定向向量的方法、装置及设备
WO2018001493A1 (en) * 2016-06-30 2018-01-04 Huawei Technologies Duesseldorf Gmbh Apparatuses and methods for encoding and decoding a multichannel audio signal
GB2554446A (en) * 2016-09-28 2018-04-04 Nokia Technologies Oy Spatial audio signal format generation from a microphone array using adaptive capture
EP3616196A4 (en) 2017-04-28 2021-01-20 DTS, Inc. Audio coder window and transform implementations
JP7115477B2 (ja) * 2017-07-05 2022-08-09 ソニーグループ株式会社 信号処理装置および方法、並びにプログラム
US10944568B2 (en) * 2017-10-06 2021-03-09 The Boeing Company Methods for constructing secure hash functions from bit-mixers
US10714098B2 (en) 2017-12-21 2020-07-14 Dolby Laboratories Licensing Corporation Selective forward error correction for spatial audio codecs
CN111210831B (zh) * 2018-11-22 2024-06-04 广州广晟数码技术有限公司 基于频谱拉伸的带宽扩展音频编解码方法及装置
EP3915106A1 (en) 2019-01-21 2021-12-01 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding a spatial audio representation or apparatus and method for decoding an encoded audio signal using transport metadata and related computer programs
US11729406B2 (en) * 2019-03-21 2023-08-15 Qualcomm Incorporated Video compression using deep generative models
US11388416B2 (en) * 2019-03-21 2022-07-12 Qualcomm Incorporated Video compression using deep generative models
JP7576582B2 (ja) 2019-07-02 2024-10-31 ドルビー・インターナショナル・アーベー 離散指向性情報の表現、符号化、および復号化のための方法、装置、およびシステム
CN110544484B (zh) * 2019-09-23 2021-12-21 中科超影(北京)传媒科技有限公司 高阶Ambisonic音频编解码方法及装置
US11317236B2 (en) * 2019-11-22 2022-04-26 Qualcomm Incorporated Soundfield adaptation for virtual reality audio
CN110970048B (zh) * 2019-12-03 2023-01-17 腾讯科技(深圳)有限公司 音频数据的处理方法及装置
CN116391365A (zh) * 2020-09-25 2023-07-04 苹果公司 高阶环境立体声编码和解码
CN115497485B (zh) * 2021-06-18 2024-10-18 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001275197A (ja) * 2000-03-23 2001-10-05 Seiko Epson Corp 音源選択方法および音源選択装置並びに音源選択制御プログラムを記録した記録媒体
GB2379147B (en) * 2001-04-18 2003-10-22 Univ York Sound processing
FR2847376B1 (fr) * 2002-11-19 2005-02-04 France Telecom Procede de traitement de donnees sonores et dispositif d'acquisition sonore mettant en oeuvre ce procede
DE10328777A1 (de) * 2003-06-25 2005-01-27 Coding Technologies Ab Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals
EP1946310A4 (en) * 2005-10-26 2011-03-09 Lg Electronics Inc METHOD FOR CODING AND DECODING A MULTI CHANNEL AUDIO SIGNAL AND DEVICE THEREFOR
CN101401152B (zh) * 2006-03-15 2012-04-18 法国电信公司 通过多通道音频信号的主分量分析进行编码的设备和方法
WO2008039339A2 (en) * 2006-09-25 2008-04-03 Dolby Laboratories Licensing Corporation Improved spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms
US20080232601A1 (en) * 2007-03-21 2008-09-25 Ville Pulkki Method and apparatus for enhancement of audio reconstruction
FR2916078A1 (fr) * 2007-05-10 2008-11-14 France Telecom Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes
FR2916079A1 (fr) * 2007-05-10 2008-11-14 France Telecom Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes
US20110188043A1 (en) * 2007-12-26 2011-08-04 Yissum, Research Development Company of The Hebrew University of Jerusalem, Ltd. Method and apparatus for monitoring processes in living cells
EP2094032A1 (en) * 2008-02-19 2009-08-26 Deutsche Thomson OHG Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same
BRPI0910511B1 (pt) * 2008-07-11 2021-06-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Aparelho e método para decodificar e codificar um sinal de áudio
EP2205007B1 (en) * 2008-12-30 2019-01-09 Dolby International AB Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
GB2476747B (en) * 2009-02-04 2011-12-21 Richard Furse Sound system
FR2943867A1 (fr) * 2009-03-31 2010-10-01 France Telecom Traitement d'egalisation de composantes spatiales d'un signal audio 3d
US9020152B2 (en) * 2010-03-05 2015-04-28 Stmicroelectronics Asia Pacific Pte. Ltd. Enabling 3D sound reproduction using a 2D speaker arrangement
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
WO2012025580A1 (en) * 2010-08-27 2012-03-01 Sonicemotion Ag Method and device for enhanced sound field reproduction of spatially encoded audio input signals
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
EP2560161A1 (en) * 2011-08-17 2013-02-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optimal mixing matrices and usage of decorrelators in spatial audio processing
CN103165136A (zh) * 2011-12-15 2013-06-19 杜比实验室特许公司 音频处理方法及音频处理设备
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

Similar Documents

Publication Publication Date Title
JP2015526759A5 (https=)
JP6866519B2 (ja) ノイズ削減のための多チャネルhoaオーディオ信号をエンコードする方法および装置ならびにノイズ削減のための多チャネルhoaオーディオ信号をデコードする方法および装置
JP7270788B2 (ja) 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP6279569B2 (ja) マルチチャンネルオーディオ信号のレンダリングを改善する方法及び装置
JP7689196B2 (ja) 空間音声ストリームの結合
CN104285390A (zh) 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置
WO2007088853A1 (ja) 音声符号化装置、音声復号装置、音声符号化システム、音声符号化方法及び音声復号方法
JP2023072027A (ja) 復号装置および方法、並びにプログラム
WO2019244666A1 (ja) 符号化装置および方法、復号装置および方法、並びにプログラム
HK40018256A (en) Method and apparatus for decoding a bitstream including encoded hoa representations, and medium
HK1242834A1 (en) Method, apparatus and computer readable medium for decoding hoa audio signals
HK1242833A1 (en) Method, apparatus and computer readable medium for decoding hoa audio signals
HK1242835A1 (en) Method, apparatus and computer readable medium for decoding hoa audio signals
HK1241131A1 (en) Method, apparatus and computer readable medium for decoding hoa audio signals
HK40020197A (en) Method and apparatus for decoding a bitstream including encoded hoa representations