JP2017536756A5 - - Google Patents

Download PDF

Info

Publication number
JP2017536756A5
JP2017536756A5 JP2017522811A JP2017522811A JP2017536756A5 JP 2017536756 A5 JP2017536756 A5 JP 2017536756A5 JP 2017522811 A JP2017522811 A JP 2017522811A JP 2017522811 A JP2017522811 A JP 2017522811A JP 2017536756 A5 JP2017536756 A5 JP 2017536756A5
Authority
JP
Japan
Prior art keywords
signal
channel
additional
channels
downmix
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
JP2017522811A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017536756A (ja
JP6640849B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/EP2015/075115 external-priority patent/WO2016066743A1/en
Publication of JP2017536756A publication Critical patent/JP2017536756A/ja
Publication of JP2017536756A5 publication Critical patent/JP2017536756A5/ja
Application granted granted Critical
Publication of JP6640849B2 publication Critical patent/JP6640849B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2017522811A 2014-10-31 2015-10-29 マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード Active JP6640849B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462073642P 2014-10-31 2014-10-31
US62/073,642 2014-10-31
US201562128425P 2015-03-04 2015-03-04
US62/128,425 2015-03-04
PCT/EP2015/075115 WO2016066743A1 (en) 2014-10-31 2015-10-29 Parametric encoding and decoding of multichannel audio signals

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2019235974A Division JP7009437B2 (ja) 2014-10-31 2019-12-26 マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード

Publications (3)

Publication Number Publication Date
JP2017536756A JP2017536756A (ja) 2017-12-07
JP2017536756A5 true JP2017536756A5 (enExample) 2018-12-06
JP6640849B2 JP6640849B2 (ja) 2020-02-05

Family

ID=54705555

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2017522811A Active JP6640849B2 (ja) 2014-10-31 2015-10-29 マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード
JP2019235974A Active JP7009437B2 (ja) 2014-10-31 2019-12-26 マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2019235974A Active JP7009437B2 (ja) 2014-10-31 2019-12-26 マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード

Country Status (9)

Country Link
US (1) US9955276B2 (enExample)
EP (2) EP3540732B1 (enExample)
JP (2) JP6640849B2 (enExample)
KR (1) KR102486338B1 (enExample)
CN (2) CN111816194B (enExample)
BR (1) BR112017008015B1 (enExample)
ES (1) ES2709661T3 (enExample)
RU (1) RU2704266C2 (enExample)
WO (1) WO2016066743A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9674587B2 (en) * 2012-06-26 2017-06-06 Sonos, Inc. Systems and methods for networked music playback including remote add to queue
CN113035212B (zh) * 2015-05-20 2025-06-17 瑞典爱立信有限公司 多声道音频信号的编码
EP3337066B1 (en) * 2016-12-14 2020-09-23 Nokia Technologies Oy Distributed audio mixing
CN107576933B (zh) * 2017-08-17 2020-10-30 电子科技大学 多维拟合的信源定位方法
WO2020127836A1 (en) 2018-12-21 2020-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sound reproduction/simulation system and method for simulating a sound reproduction
US20200388292A1 (en) * 2019-06-10 2020-12-10 Google Llc Audio channel mixing
BR112022003440A2 (pt) 2019-09-03 2022-05-24 Dolby Laboratories Licensing Corp Codec de efeitos de baixa latência, baixa frequência
GB2587614A (en) * 2019-09-26 2021-04-07 Nokia Technologies Oy Audio encoding and audio decoding
TWI884996B (zh) 2019-10-30 2025-06-01 美商杜拜研究特許公司 使用方向性元資料之多通道音頻編碼及解碼
CN115867964A (zh) * 2020-06-11 2023-03-28 杜比实验室特许公司 用于对多声道输入信号内的空间背景噪声进行编码和/或解码的方法和设备
CN114023338B (zh) * 2020-07-17 2025-06-03 华为技术有限公司 多声道音频信号的编码方法和装置
EP4320615B1 (en) * 2021-04-06 2025-12-03 Dolby International AB Coding of envelope information of an audio downmix signal
CN117730367A (zh) * 2023-10-31 2024-03-19 北京小米移动软件有限公司 分组方法、编码器、解码器以及存储介质

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3277699B2 (ja) * 1994-06-13 2002-04-22 ソニー株式会社 信号符号化方法及び装置並びに信号復号化方法及び装置
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
FR2862799B1 (fr) 2003-11-26 2006-02-24 Inst Nat Rech Inf Automat Dispositif et methode perfectionnes de spatialisation du son
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
JP2008529364A (ja) 2005-01-24 2008-07-31 ティ エイチ エックス リミテッド 周辺及び直接サラウンドサウンドシステム
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
DE602006004959D1 (de) * 2005-04-15 2009-03-12 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
EP1902443B1 (en) * 2005-07-14 2009-06-03 Koninklijke Philips Electronics N.V. Audio encoding and decoding
JP4918490B2 (ja) 2005-09-02 2012-04-18 パナソニック株式会社 エネルギー整形装置及びエネルギー整形方法
JP4728398B2 (ja) * 2005-09-14 2011-07-20 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
KR100888474B1 (ko) 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
US9426596B2 (en) * 2006-02-03 2016-08-23 Electronics And Telecommunications Research Institute Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue
JP4396683B2 (ja) * 2006-10-02 2010-01-13 カシオ計算機株式会社 音声符号化装置、音声符号化方法、及び、プログラム
CA2673624C (en) * 2006-10-16 2014-08-12 Johannes Hilpert Apparatus and method for multi-channel parameter transformation
ES2452348T3 (es) * 2007-04-26 2014-04-01 Dolby International Ab Aparato y procedimiento para sintetizar una señal de salida
KR101303441B1 (ko) * 2007-10-17 2013-09-10 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다운믹스를 이용한 오디오 코딩
CN102037507B (zh) * 2008-05-23 2013-02-06 皇家飞利浦电子股份有限公司 参数立体声上混合设备、参数立体声译码器、参数立体声下混合设备、参数立体声编码器
EP2144230A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
WO2010042024A1 (en) 2008-10-10 2010-04-15 Telefonaktiebolaget Lm Ericsson (Publ) Energy conservative multi-channel audio coding
EP2214162A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
CN102257563B (zh) 2009-04-08 2013-09-25 弗劳恩霍夫应用研究促进协会 使用相位值平滑对下混频音频信号进行上混频的装置和方法
CN102414743A (zh) * 2009-04-21 2012-04-11 皇家飞利浦电子股份有限公司 音频信号合成
EP2249334A1 (en) 2009-05-08 2010-11-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio format transcoder
EP2360681A1 (en) 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
KR101944328B1 (ko) * 2010-04-09 2019-01-31 돌비 인터네셔널 에이비 Mdct-기반의 복소수 예측 스테레오 코딩
TWI462087B (zh) * 2010-11-12 2014-11-21 Dolby Lab Licensing Corp 複數音頻信號之降混方法、編解碼方法及混合系統
US9219972B2 (en) 2010-11-19 2015-12-22 Nokia Technologies Oy Efficient audio coding having reduced bit rate for ambient signals and decoding using same
WO2012094335A1 (en) 2011-01-04 2012-07-12 Srs Labs, Inc. Immersive audio rendering system
US9165558B2 (en) 2011-03-09 2015-10-20 Dts Llc System for dynamically creating and rendering audio objects
EP2727383B1 (en) 2011-07-01 2021-04-28 Dolby Laboratories Licensing Corporation System and method for adaptive audio signal generation, coding and rendering
IN2014CN03413A (enExample) * 2011-11-01 2015-07-03 Koninkl Philips Nv
WO2013122388A1 (en) 2012-02-15 2013-08-22 Samsung Electronics Co., Ltd. Data transmission apparatus, data receiving apparatus, data transceiving system, data transmission method and data receiving method
EP2817802B1 (en) * 2012-02-24 2016-12-07 Dolby International AB Audio processing
KR101621287B1 (ko) * 2012-04-05 2016-05-16 후아웨이 테크놀러지 컴퍼니 리미티드 다채널 오디오 신호 및 다채널 오디오 인코더를 위한 인코딩 파라미터를 결정하는 방법
US9552818B2 (en) * 2012-06-14 2017-01-24 Dolby International Ab Smooth configuration switching for multichannel audio rendering based on a variable number of received channels
CN103748629B (zh) 2012-07-02 2017-04-05 索尼公司 解码装置和方法、编码装置和方法以及程序
US9473870B2 (en) 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
US9479886B2 (en) 2012-07-20 2016-10-25 Qualcomm Incorporated Scalable downmix design with feedback for object-based surround codec
CN104604257B (zh) 2012-08-31 2016-05-25 杜比实验室特许公司 用于在各种收听环境中渲染并且回放基于对象的音频的系统
EP2891335B1 (en) 2012-08-31 2019-11-27 Dolby Laboratories Licensing Corporation Reflected and direct rendering of upmixed content to individually addressable drivers
TWI545562B (zh) 2012-09-12 2016-08-11 弗勞恩霍夫爾協會 用於提升3d音訊被導引降混性能之裝置、系統及方法
WO2014068583A1 (en) 2012-11-02 2014-05-08 Pulz Electronics Pvt. Ltd. Multi platform 4 layer and x, y, z axis audio recording, mixing and playback process
US9736609B2 (en) 2013-02-07 2017-08-15 Qualcomm Incorporated Determining renderers for spherical harmonic coefficients
EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
JP6019266B2 (ja) * 2013-04-05 2016-11-02 ドルビー・インターナショナル・アーベー ステレオ・オーディオ・エンコーダおよびデコーダ
KR102381216B1 (ko) 2013-10-21 2022-04-08 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
TWI587286B (zh) 2014-10-31 2017-06-11 杜比國際公司 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體

Similar Documents

Publication Publication Date Title
JP2017536756A5 (enExample)
JP6600004B2 (ja) マルチチャンネル信号を符号化又は復号化するための装置と方法
JP4966981B2 (ja) 空間キューを用いたマルチオブジェクト又はマルチチャネルオーディオ信号のレンダリング制御方法及びその装置
EP1807824B1 (en) Interpolation and signalling of spacial reconstruction parameters for multichannel coding and decoding of audio sources
RU2017114642A (ru) Параметрическое кодирование и декодирование многоканальных аудиосигналов
RU2643644C2 (ru) Кодирование и декодирование аудиосигналов
RU2012144366A (ru) Стереофоническое кодирование на основе mdct с комплексным предсказанием
US11056122B2 (en) Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal
JP2016537669A5 (enExample)
JP2011522472A5 (enExample)
JP2014520473A5 (enExample)
KR102349931B1 (ko) 상관해제 필터들의 적응적 제어를 위한 방법 및 장치
TW201407603A (zh) 運用針對參數音訊物件編碼之殘差槪念之編碼器、解碼器、系統及方法
RU2015116434A (ru) Кодер, декодер и способы для обратно совместимого пространственного кодирования аудиообъектов с переменным разрешением
CN110114828B (zh) 使用比率作为分离特征来分解音频信号的装置和方法
DK3201918T3 (en) DECODING PROCEDURE AND DECODS FOR DIALOGUE IMPROVEMENT
KR20140047509A (ko) 객체 오디오 신호의 잔향 신호를 이용한 오디오 부/복호화 장치
JP6306958B2 (ja) 音響信号変換装置、音響信号変換方法、音響信号変換プログラム
KR102335911B1 (ko) 객체 오디오 신호의 잔향 신호를 이용한 오디오 부/복호화 장치
HK1235540A1 (en) Decoding method and decoder for dialog enhancement
RU2798759C2 (ru) Параметрическое кодирование и декодирование многоканальных аудиосигналов
HK1106862B (en) Interpolation and signalling of spacial reconstruction parameters for multichannel coding and decoding of audio sources