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 (OSRAM) 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 (OSRAM)
EP (2) EP3213323B1 (OSRAM)
JP (2) JP6640849B2 (OSRAM)
KR (1) KR102486338B1 (OSRAM)
CN (2) CN111816194B (OSRAM)
BR (1) BR112017008015B1 (OSRAM)
ES (1) ES2709661T3 (OSRAM)
RU (1) RU2704266C2 (OSRAM)
WO (1) WO2016066743A1 (OSRAM)

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
WO2016184958A1 (en) * 2015-05-20 2016-11-24 Telefonaktiebolaget Lm Ericsson (Publ) Coding of multi-channel audio signals
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
JP2022547038A (ja) 2019-09-03 2022-11-10 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 低レイテンシ・低音効果コーデック
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
MX2022015324A (es) * 2020-06-11 2023-02-27 Dolby Laboratories Licensing Corp Metodos y dispositivos para codificar y/o decodificar ruido de fondo espacial dentro de una se?al de entrada multicanal.
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
US20060165247A1 (en) 2005-01-24 2006-07-27 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
ATE421845T1 (de) * 2005-04-15 2009-02-15 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
PL2088580T3 (pl) * 2005-07-14 2012-07-31 Koninl Philips Electronics Nv Kodowanie sygnałów audio
EP1921606B1 (en) 2005-09-02 2011-10-19 Panasonic Corporation Energy shaping device and energy shaping method
TWI485698B (zh) * 2005-09-14 2015-05-21 Lg Electronics Inc 音頻訊號之解碼方法及其裝置
KR100888474B1 (ko) * 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
EP3267439A1 (en) * 2006-02-03 2018-01-10 Electronics and Telecommunications Research Institute Method and apparatus for control of rendering 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
US8687829B2 (en) * 2006-10-16 2014-04-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. 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
JP5883561B2 (ja) * 2007-10-17 2016-03-15 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ アップミックスを使用した音声符号器
MX2010012580A (es) * 2008-05-23 2010-12-20 Koninkl Philips Electronics Nv Aparato de mezcla ascendente estereo parametrico, decodificador estereo parametrico, aparato de mezcla descendente estereo parametrico, codificador estereo parametrico.
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
CN102177542B (zh) 2008-10-10 2013-01-09 艾利森电话股份有限公司 能量保留多通道音频编码
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
ES2511390T3 (es) 2009-04-08 2014-10-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato, procedimiento y programa de computación para mezclar en forma ascendente una señal de audio con mezcla descendente utilizando una suavización de valor de fase
US20120039477A1 (en) * 2009-04-21 2012-02-16 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
CA3125378C (en) * 2010-04-09 2023-02-07 Dolby International Ab Audio upmixer operable in prediction or non-prediction 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
JP5955862B2 (ja) 2011-01-04 2016-07-20 ディーティーエス・エルエルシーDts Llc 没入型オーディオ・レンダリング・システム
US9026450B2 (en) 2011-03-09 2015-05-05 Dts Llc System for dynamically creating and rendering audio objects
TWI853425B (zh) 2011-07-01 2024-08-21 美商杜比實驗室特許公司 用於適應性音頻信號的產生、譯碼與呈現之系統與方法
BR112014010062B1 (pt) * 2011-11-01 2021-12-14 Koninklijke Philips N.V. Codificador de objeto de áudio, decodificador de objeto de áudio, método para a codificação de objeto de áudio, e método para a decodificação de objeto de áudio
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
CN104160442B (zh) * 2012-02-24 2016-10-12 杜比国际公司 音频处理
CN103460283B (zh) * 2012-04-05 2015-04-29 华为技术有限公司 确定多信道音频信号的编码参数的方法及多信道音频编码器
WO2013186344A2 (en) * 2012-06-14 2013-12-19 Dolby International Ab Smooth configuration switching for multichannel audio rendering based on a variable number of received channels
AU2013284704B2 (en) 2012-07-02 2019-01-31 Sony Corporation Decoding device and method, encoding device and method, and program
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
EP3253079B1 (en) 2012-08-31 2023-04-05 Dolby Laboratories Licensing Corporation System for rendering and playback of object based audio in various listening environments
WO2014035902A2 (en) 2012-08-31 2014-03-06 Dolby Laboratories Licensing Corporation Reflected and direct rendering of upmixed content to individually addressable drivers
BR122021021506B1 (pt) 2012-09-12 2023-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V Aparelho e método para fornecer capacidades melhoradas de downmix guiado para áudio 3d
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
CN110010140B (zh) * 2013-04-05 2023-04-18 杜比国际公司 立体声音频编码器和解码器
ES2660778T3 (es) 2013-10-21 2018-03-26 Dolby International Ab Reconstrucción paramétrica de señales de audio
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 (OSRAM)
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
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
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 (OSRAM)
JP2009525671A (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
JP2011522472A5 (OSRAM)
JP2014520473A5 (OSRAM)
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
RU2017113711A (ru) Аудиокодировщик и декодер
DK3201918T3 (en) DECODING PROCEDURE AND DECODS FOR DIALOGUE IMPROVEMENT
KR20140047509A (ko) 객체 오디오 신호의 잔향 신호를 이용한 오디오 부/복호화 장치
KR102335911B1 (ko) 객체 오디오 신호의 잔향 신호를 이용한 오디오 부/복호화 장치
HK1235540A1 (en) Decoding method and decoder for dialog enhancement
HK1235540B (en) Decoding method and decoder for dialog enhancement
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
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