JP2008519491A5 - - Google Patents

Download PDF

Info

Publication number
JP2008519491A5
JP2008519491A5 JP2007539174A JP2007539174A JP2008519491A5 JP 2008519491 A5 JP2008519491 A5 JP 2008519491A5 JP 2007539174 A JP2007539174 A JP 2007539174A JP 2007539174 A JP2007539174 A JP 2007539174A JP 2008519491 A5 JP2008519491 A5 JP 2008519491A5
Authority
JP
Japan
Prior art keywords
audio data
channels
sub
stage
bands
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
JP2007539174A
Other languages
English (en)
Japanese (ja)
Other versions
JP4917039B2 (ja
JP2008519491A (ja
Filing date
Publication date
Priority claimed from US10/975,841 external-priority patent/US7929708B2/en
Application filed filed Critical
Priority claimed from PCT/US2005/038961 external-priority patent/WO2006050112A2/en
Publication of JP2008519491A publication Critical patent/JP2008519491A/ja
Publication of JP2008519491A5 publication Critical patent/JP2008519491A5/ja
Application granted granted Critical
Publication of JP4917039B2 publication Critical patent/JP4917039B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP2007539174A 2004-10-28 2005-10-28 音響空間環境エンジン Expired - Lifetime JP4917039B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US62292204P 2004-10-28 2004-10-28
US10/975,841 US7929708B2 (en) 2004-01-12 2004-10-28 Audio spatial environment engine
US10/975,841 2004-10-28
US60/622,922 2004-10-28
PCT/US2005/038961 WO2006050112A2 (en) 2004-10-28 2005-10-28 Audio spatial environment engine

Publications (3)

Publication Number Publication Date
JP2008519491A JP2008519491A (ja) 2008-06-05
JP2008519491A5 true JP2008519491A5 (enExample) 2008-12-11
JP4917039B2 JP4917039B2 (ja) 2012-04-18

Family

ID=36090916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007539174A Expired - Lifetime JP4917039B2 (ja) 2004-10-28 2005-10-28 音響空間環境エンジン

Country Status (7)

Country Link
US (1) US20070297519A1 (enExample)
EP (1) EP1810280B1 (enExample)
JP (1) JP4917039B2 (enExample)
KR (3) KR101283741B1 (enExample)
CN (3) CN102117617B (enExample)
PL (1) PL1810280T3 (enExample)
WO (1) WO2006050112A2 (enExample)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI396188B (zh) * 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
KR20080087909A (ko) * 2006-01-19 2008-10-01 엘지전자 주식회사 신호 디코딩 방법 및 장치
US20080191172A1 (en) * 2006-12-29 2008-08-14 Che-Hsiung Hsu High work-function and high conductivity compositions of electrically conducting polymers
US8107631B2 (en) * 2007-10-04 2012-01-31 Creative Technology Ltd Correlation-based method for ambience extraction from two-channel audio signals
US8126172B2 (en) * 2007-12-06 2012-02-28 Harman International Industries, Incorporated Spatial processing stereo system
EP2232485A4 (en) * 2008-01-01 2012-09-26 Lg Electronics Inc METHOD AND APPARATUS FOR SIGNAL PROCESSING
KR101335975B1 (ko) * 2008-08-14 2013-12-04 돌비 레버러토리즈 라이쎈싱 코오포레이션 복수의 오디오 입력 신호를 리포맷팅하는 방법
US8000485B2 (en) * 2009-06-01 2011-08-16 Dts, Inc. Virtual audio processing for loudspeaker or headphone playback
JP5267362B2 (ja) * 2009-07-03 2013-08-21 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラムならびに映像伝送装置
CN102550048B (zh) * 2009-09-30 2015-03-25 诺基亚公司 一种用于处理音频信号的方法和装置
US9111528B2 (en) 2009-12-10 2015-08-18 Reality Ip Pty Ltd Matrix decoder for surround sound
WO2011072729A1 (en) * 2009-12-16 2011-06-23 Nokia Corporation Multi-channel audio processing
EP2464145A1 (en) * 2010-12-10 2012-06-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decomposing an input signal using a downmixer
CN103000180A (zh) * 2012-11-20 2013-03-27 上海中科高等研究院 环绕声矩阵编解码系统及其实现方法
KR102213895B1 (ko) * 2013-01-15 2021-02-08 한국전자통신연구원 채널 신호를 처리하는 부호화/복호화 장치 및 방법
US9093064B2 (en) 2013-03-11 2015-07-28 The Nielsen Company (Us), Llc Down-mixing compensation for audio watermarking
JP6216553B2 (ja) * 2013-06-27 2017-10-18 クラリオン株式会社 伝搬遅延補正装置及び伝搬遅延補正方法
US9560449B2 (en) 2014-01-17 2017-01-31 Sony Corporation Distributed wireless speaker system
US9402145B2 (en) 2014-01-24 2016-07-26 Sony Corporation Wireless speaker system with distributed low (bass) frequency
US9866986B2 (en) 2014-01-24 2018-01-09 Sony Corporation Audio speaker system with virtual music performance
US9426551B2 (en) 2014-01-24 2016-08-23 Sony Corporation Distributed wireless speaker system with light show
US9369801B2 (en) 2014-01-24 2016-06-14 Sony Corporation Wireless speaker system with noise cancelation
US9232335B2 (en) 2014-03-06 2016-01-05 Sony Corporation Networked speaker system with follow me
EP3154279A4 (en) * 2014-06-06 2017-11-01 Sony Corporation Audio signal processing apparatus and method, encoding apparatus and method, and program
US9774974B2 (en) 2014-09-24 2017-09-26 Electronics And Telecommunications Research Institute Audio metadata providing apparatus and method, and multichannel audio data playback apparatus and method to support dynamic format conversion
KR101993348B1 (ko) * 2014-09-24 2019-06-26 한국전자통신연구원 동적 포맷 변환을 지원하는 오디오 메타데이터 제공 장치 및 오디오 데이터 재생 장치, 상기 장치가 수행하는 방법 그리고 상기 동적 포맷 변환들이 기록된 컴퓨터에서 판독 가능한 기록매체
US20160171987A1 (en) * 2014-12-16 2016-06-16 Psyx Research, Inc. System and method for compressed audio enhancement
US20160294484A1 (en) * 2015-03-31 2016-10-06 Qualcomm Technologies International, Ltd. Embedding codes in an audio signal
CN105101039B (zh) * 2015-08-31 2018-12-18 广州酷狗计算机科技有限公司 立体声还原方法及装置
US9693168B1 (en) 2016-02-08 2017-06-27 Sony Corporation Ultrasonic speaker assembly for audio spatial effect
US9826332B2 (en) 2016-02-09 2017-11-21 Sony Corporation Centralized wireless speaker system
US9924291B2 (en) 2016-02-16 2018-03-20 Sony Corporation Distributed wireless speaker system
US9826330B2 (en) 2016-03-14 2017-11-21 Sony Corporation Gimbal-mounted linear ultrasonic speaker assembly
US9693169B1 (en) 2016-03-16 2017-06-27 Sony Corporation Ultrasonic speaker assembly with ultrasonic room mapping
US9794724B1 (en) 2016-07-20 2017-10-17 Sony Corporation Ultrasonic speaker assembly using variable carrier frequency to establish third dimension sound locating
US9854362B1 (en) 2016-10-20 2017-12-26 Sony Corporation Networked speaker system with LED-based wireless communication and object detection
US10075791B2 (en) 2016-10-20 2018-09-11 Sony Corporation Networked speaker system with LED-based wireless communication and room mapping
US9924286B1 (en) 2016-10-20 2018-03-20 Sony Corporation Networked speaker system with LED-based wireless communication and personal identifier
ES2913204T3 (es) * 2017-02-06 2022-06-01 Savant Systems Inc Arquitectura de interconexión de A/V que incluye un punto final de A/V transmisor de mezcla descendente de audio y amplificación de canal distribuida
US10616684B2 (en) 2018-05-15 2020-04-07 Sony Corporation Environmental sensing for a unique portable speaker listening experience
JP7036234B2 (ja) * 2018-06-01 2022-03-15 ソニーグループ株式会社 オーディオコンテンツの適応的なリミキシング
US10292000B1 (en) 2018-07-02 2019-05-14 Sony Corporation Frequency sweep for a unique portable speaker listening experience
GB2576769A (en) 2018-08-31 2020-03-04 Nokia Technologies Oy Spatial parameter signalling
US10567871B1 (en) 2018-09-06 2020-02-18 Sony Corporation Automatically movable speaker to track listener or optimize sound performance
US10623859B1 (en) 2018-10-23 2020-04-14 Sony Corporation Networked speaker system with combined power over Ethernet and audio delivery
US11599329B2 (en) 2018-10-30 2023-03-07 Sony Corporation Capacitive environmental sensing for a unique portable speaker listening experience
KR20220013630A (ko) 2020-07-27 2022-02-04 삼성전자주식회사 오디오의 채널의 수를 변환하는 전자 장치 및 전자 장치의 동작 방법
KR102529400B1 (ko) * 2021-02-19 2023-05-10 한국전자통신연구원 오디오 메타데이터 제공 장치 및 방법, 오디오 데이터 제공 장치 및 방법, 오디오 데이터 재생 장치 및 방법

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732370A (en) * 1971-02-24 1973-05-08 United Recording Electronic In Equalizer utilizing a comb of spectral frequencies as the test signal
US4458362A (en) * 1982-05-13 1984-07-03 Teledyne Industries, Inc. Automatic time domain equalization of audio signals
US4748669A (en) * 1986-03-27 1988-05-31 Hughes Aircraft Company Stereo enhancement system
US4866774A (en) * 1988-11-02 1989-09-12 Hughes Aircraft Company Stero enhancement and directivity servo
US5434948A (en) * 1989-06-15 1995-07-18 British Telecommunications Public Limited Company Polyphonic coding
US5481615A (en) * 1993-04-01 1996-01-02 Noise Cancellation Technologies, Inc. Audio reproduction system
KR100287494B1 (ko) * 1993-06-30 2001-04-16 이데이 노부유끼 디지탈신호의부호화방법및장치,복호화방법및장치와부호화시킨신호의기록매체
DE4409368A1 (de) 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
US5796844A (en) * 1996-07-19 1998-08-18 Lexicon Multichannel active matrix sound reproduction with maximum lateral separation
DE19632734A1 (de) * 1996-08-14 1998-02-19 Thomson Brandt Gmbh Verfahren und Vorrichtung zum Generieren eines Mehrton-Signals aus einem Mono-Signal
US6173061B1 (en) * 1997-06-23 2001-01-09 Harman International Industries, Inc. Steering of monaural sources of sound using head related transfer functions
US5890125A (en) * 1997-07-16 1999-03-30 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method
TW390104B (en) * 1998-08-10 2000-05-11 Acer Labs Inc Method and device for down mixing of multi-sound-track compression audio frequency bit stream
TW510143B (en) * 1999-12-03 2002-11-11 Dolby Lab Licensing Corp Method for deriving at least three audio signals from two input audio signals
US7382888B2 (en) * 2000-12-12 2008-06-03 Bose Corporation Phase shifting audio signal combining
KR100904985B1 (ko) * 2001-02-07 2009-06-26 돌비 레버러토리즈 라이쎈싱 코오포레이션 오디오 채널 변환
US6839675B2 (en) * 2001-02-27 2005-01-04 Euphonix, Inc. Real-time monitoring system for codec-effect sampling during digital processing of a sound source
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
CA2354858A1 (en) * 2001-08-08 2003-02-08 Dspfactory Ltd. Subband directional audio signal processing using an oversampled filterbank
WO2003094369A2 (en) * 2002-05-03 2003-11-13 Harman International Industries, Incorporated Multi-channel downmixing device
US20040105550A1 (en) * 2002-12-03 2004-06-03 Aylward J. Richard Directional electroacoustical transducing
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction

Similar Documents

Publication Publication Date Title
JP2008519491A5 (enExample)
CN103262164B (zh) 叉积增强的基于子带块的谐波换位
TWI643187B (zh) 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體
CN102968993B (zh) 音频信号解相关器
JP6281336B2 (ja) 音声復号化装置及びプログラム
CN102833665B (zh) 音频空间环境引擎
CN103262159B (zh) 用于对多声道音频信号进行编码/解码的方法和装置
AU2015295518B2 (en) Apparatus and method for enhancing an audio signal, sound enhancing system
KR101370354B1 (ko) 낮은 복잡도 파라메트릭 스테레오 디코더
JP4473913B2 (ja) スペクトル／変調スペクトル域表現における変形による情報信号処理
RU2007104933A (ru) Устройство и способ для формирования многоканального выходного сигнала
JP2011223581A (ja) 補聴器における安定性の改善
JP5894347B2 (ja) 転移器に基づく仮想ベース・システムにおけるレイテンシーを低減するシステムおよび方法
WO2009113516A1 (ja) 信号分析制御システム及びその方法と、信号制御装置及びその方法と、プログラム
JP5241373B2 (ja) 高調波生成装置
CN117157706A (zh) 用于对音频信号进行解相关的音频解相关器、处理系统和方法
HK1237528B (en) Apparatus and method for enhancing an audio signal, sound enhancing system
HK1237528A1 (en) Apparatus and method for enhancing an audio signal, sound enhancing system
HK1147837A1 (en) Partially complex modulated filter bank
HK1147837B (en) Partially complex modulated filter bank