[go: up one dir, main page]

AR097627A1 - Métodos y dispositivos para la codificación conjunta de canales múltiples - Google Patents

Métodos y dispositivos para la codificación conjunta de canales múltiples

Info

Publication number
AR097627A1
AR097627A1 ARP140103388A ARP140103388A AR097627A1 AR 097627 A1 AR097627 A1 AR 097627A1 AR P140103388 A ARP140103388 A AR P140103388A AR P140103388 A ARP140103388 A AR P140103388A AR 097627 A1 AR097627 A1 AR 097627A1
Authority
AR
Argentina
Prior art keywords
stereo
component
devices
decoding
stereo decoding
Prior art date
Application number
ARP140103388A
Other languages
English (en)
Original Assignee
Dolby Int Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Publication of AR097627A1 publication Critical patent/AR097627A1/es

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Quality & Reliability (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

Se divulgan dispositivos de codificación y decodificación para codificar los canales de un sistema de audio que tiene al menos cuatro canales. El dispositivo de decodificación tiene un primer componente de decodificación estéreo que somete un primer par de canales de entrada a una primera decodificación estéreo, y un segundo componente de decodificación estéreo que somete a un segundo par de canales de entrada a una segunda decodificación estéreo. Los resultados del primer y el segundo componente de decodificación estéreo se acoplan en forma cruzada a un tercer y un cuarto componente de decodificación estéreo y cada uno realiza la codificación estéreo en un canal resultante del primer componente de decodificación estéreo y un canal resultante del segundo componente de decodificación estéreo.
ARP140103388A 2013-09-12 2014-09-11 Métodos y dispositivos para la codificación conjunta de canales múltiples AR097627A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201361877189P 2013-09-12 2013-09-12

Publications (1)

Publication Number Publication Date
AR097627A1 true AR097627A1 (es) 2016-04-06

Family

ID=51492966

Family Applications (2)

Application Number Title Priority Date Filing Date
ARP140103388A AR097627A1 (es) 2013-09-12 2014-09-11 Métodos y dispositivos para la codificación conjunta de canales múltiples
ARP190102007A AR115788A2 (es) 2013-09-12 2019-07-16 Dispositivos de decodificación y codificación, y método de codificación, en un sistema de audio de canales múltiples

Family Applications After (1)

Application Number Title Priority Date Filing Date
ARP190102007A AR115788A2 (es) 2013-09-12 2019-07-16 Dispositivos de decodificación y codificación, y método de codificación, en un sistema de audio de canales múltiples

Country Status (22)

Country Link
US (7) US9761231B2 (es)
EP (4) EP3330963B1 (es)
JP (1) JP6219527B2 (es)
KR (1) KR101777626B1 (es)
CN (7) CN117612541A (es)
AR (2) AR097627A1 (es)
AU (1) AU2014320540B2 (es)
BR (1) BR112016004674B1 (es)
CA (1) CA2920963C (es)
DK (1) DK3044785T3 (es)
ES (1) ES2657316T3 (es)
HU (1) HUE035582T2 (es)
IL (1) IL243959A (es)
MX (1) MX354658B (es)
MY (1) MY179475A (es)
NO (1) NO2993357T3 (es)
PL (1) PL3044785T3 (es)
RU (1) RU2653285C2 (es)
SG (2) SG10201807851YA (es)
TW (5) TWI774136B (es)
UA (1) UA115928C2 (es)
WO (1) WO2015036351A1 (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9646619B2 (en) 2013-09-12 2017-05-09 Dolby International Ab Coding of multichannel audio content
EP3067885A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding a multi-channel signal
WO2017049396A1 (en) 2015-09-25 2017-03-30 Voiceage Corporation Method and system for time domain down mixing a stereo sound signal into primary and secondary channels using detecting an out-of-phase condition of the left and right channels
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
EP3208800A1 (en) * 2016-02-17 2017-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for stereo filing in multichannel coding
CN109219847B (zh) * 2016-06-01 2023-07-25 杜比国际公司 将多声道音频内容转换成基于对象的音频内容的方法及用于处理具有空间位置的音频内容的方法
CN106710600B (zh) * 2016-12-16 2020-02-04 广州广晟数码技术有限公司 多声道音频信号的去相关编码方法和装置
TWI634549B (zh) * 2017-08-24 2018-09-01 瑞昱半導體股份有限公司 音訊強化裝置及方法
PL3818520T3 (pl) * 2018-07-04 2024-06-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Wielo-sygnałowe enkodowanie audio z wykorzystaniem wybielania sygnału jako przetwarzania wstępnego
US11172477B2 (en) 2018-11-02 2021-11-09 Qualcomm Incorproated Multi-transport block scheduling
WO2020216459A1 (en) * 2019-04-23 2020-10-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method or computer program for generating an output downmix representation
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
CN113948095B (zh) * 2020-07-17 2025-02-25 华为技术有限公司 多声道音频信号的编解码方法和装置

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721487A1 (de) * 1997-05-23 1998-11-26 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Fehlerverschleierung bei Mehrkanaltonsignalen
SE519552C2 (sv) * 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
ATE377339T1 (de) * 2002-07-12 2007-11-15 Koninkl Philips Electronics Nv Audio-kodierung
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
EP1611772A1 (en) * 2003-03-04 2006-01-04 Nokia Corporation Support of a multichannel audio extension
US7447317B2 (en) 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
CN1922654A (zh) * 2004-02-17 2007-02-28 皇家飞利浦电子股份有限公司 音频分发系统、音频编码器、音频解码器及其操作方法
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
DE102005010057A1 (de) * 2005-03-04 2006-09-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
US7684061B2 (en) 2005-07-08 2010-03-23 Panasonic Corporation Electronic component mounting apparatus, height detection method for electronic component, and optical-axis adjustment method for component height detection unit
EP1902443B1 (en) * 2005-07-14 2009-06-03 Koninklijke Philips Electronics N.V. Audio encoding and decoding
US8626503B2 (en) * 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
EP1905006B1 (en) * 2005-07-19 2013-09-04 Koninklijke Philips Electronics N.V. Generation of multi-channel audio signals
JP5111374B2 (ja) * 2005-08-30 2013-01-09 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
KR100888474B1 (ko) * 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
WO2007080211A1 (en) * 2006-01-09 2007-07-19 Nokia Corporation Decoding of binaural audio signals
KR101218776B1 (ko) * 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
BRPI0707969B1 (pt) * 2006-02-21 2020-01-21 Koninklijke Philips Electonics N V codificador de áudio, decodificador de áudio, método de codificação de áudio, receptor para receber um sinal de áudio, transmissor, método para transmitir um fluxo de dados de saída de áudio, e produto de programa de computador
EP2000001B1 (en) 2006-03-28 2011-12-21 Telefonaktiebolaget LM Ericsson (publ) Method and arrangement for a decoder for multi-channel surround sound
US8027479B2 (en) * 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
KR100829560B1 (ko) * 2006-08-09 2008-05-14 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 방법 및 장치,멀티채널이 다운믹스된 신호를 2 채널로 출력하는 복호화방법 및 장치
ATE539434T1 (de) 2006-10-16 2012-01-15 Fraunhofer Ges Forschung Vorrichtung und verfahren für mehrkanalparameterumwandlung
UA94117C2 (ru) 2006-10-16 2011-04-11 Долби Свиден Ав Усовершенстованное кодирование и отображение параметров многоканального кодирования микшированных объектов
DE102007017254B4 (de) 2006-11-16 2009-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Kodieren und Dekodieren
KR101100223B1 (ko) 2006-12-07 2011-12-28 엘지전자 주식회사 오디오 처리 방법 및 장치
US8218775B2 (en) 2007-09-19 2012-07-10 Telefonaktiebolaget L M Ericsson (Publ) Joint enhancement of multi-channel audio
US8280744B2 (en) 2007-10-17 2012-10-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium therefor
KR101452722B1 (ko) * 2008-02-19 2014-10-23 삼성전자주식회사 신호 부호화 및 복호화 방법 및 장치
CN101582259B (zh) * 2008-05-13 2012-05-09 华为技术有限公司 立体声信号编解码方法、装置及编解码系统
ATE557386T1 (de) * 2008-06-26 2012-05-15 France Telecom Raumsynthese mehrkanaliger tonsignale
JP5524237B2 (ja) 2008-12-19 2014-06-18 ドルビー インターナショナル アーベー 空間キューパラメータを用いてマルチチャンネルオーディオ信号に反響を適用する方法と装置
AU2013206557B2 (en) * 2009-03-17 2015-11-12 Dolby International Ab Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding
BRPI1009648B1 (pt) 2009-06-24 2020-12-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V decodificador de sinal de áudio, método para decodificador um sinal de áudio e programa de computador com o uso de etapas de processamento de objeto de áudio em cascata
TWI433137B (zh) * 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
KR101710113B1 (ko) * 2009-10-23 2017-02-27 삼성전자주식회사 위상 정보와 잔여 신호를 이용한 부호화/복호화 장치 및 방법
US9584235B2 (en) 2009-12-16 2017-02-28 Nokia Technologies Oy Multi-channel audio processing
WO2011107951A1 (en) * 2010-03-02 2011-09-09 Nokia Corporation Method and apparatus for upmixing a two-channel audio signal
PL3779979T3 (pl) * 2010-04-13 2024-01-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sposób dekodowania audio do przetwarzania sygnałów audio stereo z wykorzystaniem zmiennego kierunku predykcji
TWI516138B (zh) * 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
FR2966634A1 (fr) * 2010-10-22 2012-04-27 France Telecom Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase
CN103493129B (zh) * 2011-02-14 2016-08-10 弗劳恩霍夫应用研究促进协会 用于使用瞬态检测及质量结果将音频信号的部分编码的装置与方法
TWI488178B (zh) * 2011-03-18 2015-06-11 Fraunhofer Ges Forschung 表示音訊內容之位元串流之訊框中的訊框元件定位技術
KR101842257B1 (ko) * 2011-09-14 2018-05-15 삼성전자주식회사 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치
US9537306B2 (en) 2015-02-12 2017-01-03 Taiwan Semiconductor Manufacturing Company Limited ESD protection system utilizing gate-floating scheme and control circuit thereof

Also Published As

Publication number Publication date
CN117636886A (zh) 2024-03-01
US12190895B2 (en) 2025-01-07
CN110189759A (zh) 2019-08-30
EP3989221A1 (en) 2022-04-27
TWI634547B (zh) 2018-09-01
NO2993357T3 (es) 2018-07-21
RU2016113712A (ru) 2017-10-17
TW201905899A (zh) 2019-02-01
US10083701B2 (en) 2018-09-25
CN110176240A (zh) 2019-08-27
TW202018699A (zh) 2020-05-16
EP4339944A3 (en) 2024-05-29
UA115928C2 (uk) 2018-01-10
MY179475A (en) 2020-11-07
IL243959A0 (en) 2016-04-21
BR112016004674A2 (es) 2017-08-01
WO2015036351A1 (en) 2015-03-19
US20200066282A1 (en) 2020-02-27
HUE035582T2 (en) 2018-05-28
JP2016535316A (ja) 2016-11-10
US11380336B2 (en) 2022-07-05
TWI774136B (zh) 2022-08-11
US20220335957A1 (en) 2022-10-20
CN105531760A (zh) 2016-04-27
TW202514598A (zh) 2025-04-01
JP6219527B2 (ja) 2017-10-25
HK1217565A1 (zh) 2017-01-13
EP3330963B1 (en) 2021-11-03
CN110189758A (zh) 2019-08-30
EP3044785A1 (en) 2016-07-20
US20160217797A1 (en) 2016-07-28
US20250140269A1 (en) 2025-05-01
CA2920963A1 (en) 2015-03-19
BR112016004674B1 (pt) 2023-02-23
CN110189759B (zh) 2023-05-23
TWI713018B (zh) 2020-12-11
TW202322101A (zh) 2023-06-01
US11749288B2 (en) 2023-09-05
DK3044785T3 (en) 2018-02-05
AR115788A2 (es) 2021-02-24
PL3044785T3 (pl) 2018-04-30
IL243959A (en) 2016-10-31
EP3989221B1 (en) 2023-11-29
TW201528253A (zh) 2015-07-16
TWI671734B (zh) 2019-09-11
HK1221063A1 (en) 2017-05-19
US9761231B2 (en) 2017-09-12
US20240062765A1 (en) 2024-02-22
US10497377B2 (en) 2019-12-03
HK1248911A1 (en) 2018-10-19
EP3044785B1 (en) 2017-12-13
TW202113806A (zh) 2021-04-01
ES2657316T3 (es) 2018-03-02
MX2016002885A (es) 2016-07-26
CN110189758B (zh) 2024-01-02
US20180366132A1 (en) 2018-12-20
EP3330963A1 (en) 2018-06-06
SG10201807851YA (en) 2018-10-30
TWI847206B (zh) 2024-07-01
CN117558282A (zh) 2024-02-13
CA2920963C (en) 2018-03-13
CN105531760B (zh) 2019-07-16
US20170309281A1 (en) 2017-10-26
KR101777626B1 (ko) 2017-09-13
RU2653285C2 (ru) 2018-05-07
KR20160042104A (ko) 2016-04-18
AU2014320540B2 (en) 2017-09-28
SG11201600827VA (en) 2016-03-30
CN117612541A (zh) 2024-02-27
EP4339944A2 (en) 2024-03-20
MX354658B (es) 2018-03-14
AU2014320540A1 (en) 2016-02-18
CN110176240B (zh) 2023-12-29

Similar Documents

Publication Publication Date Title
AR115788A2 (es) Dispositivos de decodificación y codificación, y método de codificación, en un sistema de audio de canales múltiples
CL2018000090A1 (es) Métodos para fabricar un compuesto elastómero reforzado con silicio y negro de humo y productos que lo contienen.
CR20160257A (es) Anticuerpos e inmunoconjugados anti-cd33
CR20150482A (es) Anticuerpos e inmunoconjugados anti-b7-h4
CL2017000559A1 (es) Terapias de combinación con anticuerpos anti-cd38.
JOP20200096A1 (ar) جزيئات جسم مضاد لـ tim-3 واستخداماتها
EP3665876A4 (en) APPLICATION-INDEPENDENT MESSAGING SYSTEM
EP3723086C0 (en) AUDIO SIGNAL ENCODING APPARATUS, AUDIO SIGNAL DECODING APPARATUS, AUDIO SIGNAL ENCODING METHOD, AND AUDIO SIGNAL DECODING METHOD
BR112015023289A2 (pt) grampo e sistema de grampo de cunha universal.
CL2017003277A1 (es) Índice de búsqueda personal con privacidad mejorada.
BR112017024755A2 (pt) sistemas e métodos de dessalinização de humidificação-desumidificação.
KR102384691B9 (ko) 디코딩 또는 인코딩을 위한 방법, 장치 및 매체
CR20150642A (es) Preparado farmaceutico
CL2015003268A1 (es) Aparato y métodos para estabilizar roca
BR112017018847A2 (pt) sistema e métodos de otimizador de projeto.
EP3568388A4 (en) ANTICONVULSIVING COMPOUNDS
KR20180084847A (ko) 매체 출력 시스템
TH1601000284A (th) เเนวคิดของการเข้ารหัสเเละการถอดรหัสเสียงสำหรับช่องสัญญาณเสียง เเละอ็อบเจกต์เสียง
TH1601001581A (th) วิธีการ อุปกรณ์ และระบบสำหรับการรับ และการถอดรหัสสัญญาณในกรณีที่มี สัญญาณรบกวน โดยการใช้การแบ่งออกเป็นส่วนๆ และการทำให้บิดเบือน
TH1601002991B (th) ตัวถอดรหัส ตัวเข้ารหัสและวิธีการสำหรับการประมวณค่าความดังที่ได้รับการแจ้งให้ทราบในระบบ การลงรหัสสัญญาณเสียงที่มีพื้นฐานของวัตถุ
TH1501006223B (th) เครื่องและวิธีการสำหรับการมาตราส่วนสัญญาณกึ่งกลาง และการเพิ่มสมรรถนะ สเตริโอ โดยมีพื้นฐานบนอัตราส่วนการส่งสัญญาณต่อการผสมลง
TH1501007170B (th) โครงสร้างสำหรับการต่อหน้าแปลนและลำตัวกันผนึกที่ได้รับการใช้ในสิ่งนั้น
TH1501001013A (th) วิธีถอดรหัสภาพ, วิธีเข้ารหัสภาพ, อุปกรณ์ถอดรหัสภาพ, อุปกรณ์เข้ารหัสภาพ, และอุปกรณ์เข้ารหัส-ถอดรหัสภาพ
UA114708U (uk) Тяговий привід електробуса
CL2017000994S1 (es) Bandera para conectores de tuberias y fluidos.

Legal Events

Date Code Title Description
FG Grant, registration