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
JP6640849B2 (ja
JP2017536756A (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) EP3213323B1 (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 (14)

* 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
TW202533213A (zh) 2019-10-30 2025-08-16 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
KR20230023725A (ko) * 2020-06-11 2023-02-17 돌비 레버러토리즈 라이쎈싱 코오포레이션 다중-채널 입력 신호 내의 공간 배경 잡음을 인코딩 및/또는 디코딩하기 위한 방법 및 디바이스
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
CN116830192A (zh) * 2020-12-02 2023-09-29 杜比实验室特许公司 利用自适应下混策略的沉浸式语音和音频服务(ivas)
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
EP1844626A2 (en) 2005-01-24 2007-10-17 THX Ltd Ambient and direct surround sound system
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
JP4804532B2 (ja) * 2005-04-15 2011-11-02 ドルビー インターナショナル アクチボラゲット 無相関信号の包絡線整形
ATE523877T1 (de) * 2005-07-14 2011-09-15 Koninkl Philips Electronics Nv Audiodecodierung
EP1921606B1 (en) 2005-09-02 2011-10-19 Panasonic Corporation Energy shaping device and energy shaping method
JP4740335B2 (ja) * 2005-09-14 2011-08-03 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
CN103366747B (zh) * 2006-02-03 2017-05-17 韩国电子通信研究院 用于控制音频信号的渲染的设备和方法
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
AU2007312597B2 (en) * 2006-10-16 2011-04-14 Dolby International Ab Apparatus and method for multi -channel parameter transformation
EP2137725B1 (en) * 2007-04-26 2014-01-08 Dolby International AB Apparatus and method for synthesizing an output signal
RU2452043C2 (ru) * 2007-10-17 2012-05-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Аудиокодирование с использованием понижающего микширования
RU2497204C2 (ru) * 2008-05-23 2013-10-27 Конинклейке Филипс Электроникс Н.В. Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер
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
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
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
AU2010233863B2 (en) 2009-04-08 2013-09-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing
EP2422344A1 (en) * 2009-04-21 2012-02-29 Koninklijke Philips Electronics N.V. Audio signal synthesizing
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
IL286761B (en) * 2010-04-09 2022-09-01 Dolby Int Ab An uplink mixer is active in predictive or non-predictive mode
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
WO2012094338A1 (en) 2011-01-04 2012-07-12 Srs Labs, Inc. Immersive audio rendering system
WO2012122397A1 (en) 2011-03-09 2012-09-13 Srs Labs, Inc. System for dynamically creating and rendering audio objects
CA3157717A1 (en) 2011-07-01 2013-01-10 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
JP6049762B2 (ja) * 2012-02-24 2016-12-21 ドルビー・インターナショナル・アーベー オーディオ処理
WO2013149672A1 (en) * 2012-04-05 2013-10-10 Huawei Technologies Co., Ltd. Method for determining an encoding parameter for a multi-channel audio signal and multi-channel audio encoder
WO2013186343A2 (en) * 2012-06-14 2013-12-19 Dolby International Ab Smooth configuration switching for multichannel audio
JP6331095B2 (ja) 2012-07-02 2018-05-30 ソニー株式会社 復号装置および方法、符号化装置および方法、並びにプログラム
US9473870B2 (en) 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
US9516446B2 (en) 2012-07-20 2016-12-06 Qualcomm Incorporated Scalable downmix design for object-based surround codec with cluster analysis by synthesis
JP6085029B2 (ja) 2012-08-31 2017-02-22 ドルビー ラボラトリーズ ライセンシング コーポレイション 種々の聴取環境におけるオブジェクトに基づくオーディオのレンダリング及び再生のためのシステム
US9532158B2 (en) 2012-08-31 2016-12-27 Dolby Laboratories Licensing Corporation Reflected and direct rendering of upmixed content to individually addressable drivers
RU2635884C2 (ru) 2012-09-12 2017-11-16 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для предоставления улучшенных характеристик направленного понижающего микширования для трехмерного аудио
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
US9913064B2 (en) 2013-02-07 2018-03-06 Qualcomm Incorporated Mapping virtual speakers to physical speakers
KR101729930B1 (ko) * 2013-02-14 2017-04-25 돌비 레버러토리즈 라이쎈싱 코오포레이션 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법
CN116741187A (zh) * 2013-04-05 2023-09-12 杜比国际公司 立体声音频编码器和解码器
KR102244379B1 (ko) 2013-10-21 2021-04-26 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
JP7617154B2 (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
RU2017114642A (ru) Параметрическое кодирование и декодирование многоканальных аудиосигналов
EP1807824B1 (en) Interpolation and signalling of spacial reconstruction parameters for multichannel coding and decoding of audio sources
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
JP2011522472A5 (enExample)
CN110114827B (zh) 使用可变阈值来分解音频信号的装置和方法
KR102349931B1 (ko) 상관해제 필터들의 적응적 제어를 위한 방법 및 장치
DK3201918T3 (en) DECODING PROCEDURE AND DECODS FOR DIALOGUE IMPROVEMENT
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
JP2017537342A5 (enExample)
KR20140047509A (ko) 객체 오디오 신호의 잔향 신호를 이용한 오디오 부/복호화 장치
JP2023540377A5 (enExample)
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
HK1235540B (en) Decoding method and decoder for dialog enhancement
HK1235540A1 (en) Decoding method and decoder for dialog enhancement
JP2026511605A (ja) 線形補間された頭部伝達関数の作成方法
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