ATE472905T1 - Ableitung von mittelkanalton - Google Patents

Ableitung von mittelkanalton

Info

Publication number
ATE472905T1
ATE472905T1 AT07751646T AT07751646T ATE472905T1 AT E472905 T1 ATE472905 T1 AT E472905T1 AT 07751646 T AT07751646 T AT 07751646T AT 07751646 T AT07751646 T AT 07751646T AT E472905 T1 ATE472905 T1 AT E472905T1
Authority
AT
Austria
Prior art keywords
channels
signals
channel
derivation
mid
Prior art date
Application number
AT07751646T
Other languages
English (en)
Inventor
Mark Vinton
Original Assignee
Dolby Lab Licensing Corp
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 Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE472905T1 publication Critical patent/ATE472905T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Cosmetics (AREA)
AT07751646T 2006-03-13 2007-02-23 Ableitung von mittelkanalton ATE472905T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US78207006P 2006-03-13 2006-03-13
US78291706P 2006-03-15 2006-03-15
PCT/US2007/004904 WO2007106324A1 (en) 2006-03-13 2007-02-23 Rendering center channel audio

Publications (1)

Publication Number Publication Date
ATE472905T1 true ATE472905T1 (de) 2010-07-15

Family

ID=38157935

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07751646T ATE472905T1 (de) 2006-03-13 2007-02-23 Ableitung von mittelkanalton

Country Status (8)

Country Link
US (1) US8045719B2 (de)
EP (1) EP2002692B1 (de)
JP (1) JP4887420B2 (de)
CN (1) CN101401456B (de)
AT (1) ATE472905T1 (de)
DE (1) DE602007007457D1 (de)
TW (1) TWI451772B (de)
WO (1) WO2007106324A1 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101401456B (zh) 2006-03-13 2013-01-02 杜比实验室特许公司 呈现中央声道音频的方法和装置
US8081775B2 (en) * 2007-03-09 2011-12-20 Robert Bosch Gmbh Loudspeaker apparatus for radiating acoustic waves in a hemisphere around the centre axis
CN101681625B (zh) 2007-06-08 2012-11-07 杜比实验室特许公司 用于从两个输入的音频信号获得两个环绕声音频通道的方法和设备
US8295526B2 (en) 2008-02-21 2012-10-23 Bose Corporation Low frequency enclosure for video display devices
US8351629B2 (en) 2008-02-21 2013-01-08 Robert Preston Parker Waveguide electroacoustical transducing
US8351630B2 (en) 2008-05-02 2013-01-08 Bose Corporation Passive directional acoustical radiating
WO2010132411A2 (en) * 2009-05-11 2010-11-18 Akita Blue, Inc. Extraction of common and unique components from pairs of arbitrary signals
US8705769B2 (en) * 2009-05-20 2014-04-22 Stmicroelectronics, Inc. Two-to-three channel upmix for center channel derivation
US8000485B2 (en) * 2009-06-01 2011-08-16 Dts, Inc. Virtual audio processing for loudspeaker or headphone playback
EP2484127B1 (de) * 2009-09-30 2020-02-12 Nokia Technologies Oy Verfahren, computer-programm und vorrichtung zur verarbeitung von audiosignalen
US8265310B2 (en) 2010-03-03 2012-09-11 Bose Corporation Multi-element directional acoustic arrays
US8139774B2 (en) * 2010-03-03 2012-03-20 Bose Corporation Multi-element directional acoustic arrays
CN102804814B (zh) * 2010-03-26 2015-09-23 邦及欧路夫森有限公司 多通道声音重放方法和设备
JP5957446B2 (ja) * 2010-06-02 2016-07-27 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 音響処理システム及び方法
US8553894B2 (en) 2010-08-12 2013-10-08 Bose Corporation Active and passive directional acoustic radiating
US9986356B2 (en) * 2012-02-15 2018-05-29 Harman International Industries, Incorporated Audio surround processing system
CN105122846B (zh) * 2013-04-26 2018-01-30 索尼公司 声音处理装置及声音处理系统
EP2980789A1 (de) * 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Verbesserung eines Audiosignals, Tonverbesserungssystem
CN104394498B (zh) * 2014-09-28 2017-01-18 北京塞宾科技有限公司 一种三通道全息声场回放方法及声场采集装置
CN105828271B (zh) * 2015-01-09 2019-07-05 南京青衿信息科技有限公司 一种将两个声道声音信号转换成三个声道信号的方法
US10057701B2 (en) 2015-03-31 2018-08-21 Bose Corporation Method of manufacturing a loudspeaker
US9451355B1 (en) 2015-03-31 2016-09-20 Bose Corporation Directional acoustic device
EP3406084B1 (de) * 2016-01-18 2020-08-26 Boomcloud 360, Inc. Räumliche und nebensprechunterdrückung bei einem teilband zur audiowiedergabe
US10225657B2 (en) 2016-01-18 2019-03-05 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
KR101858918B1 (ko) 2016-01-19 2018-05-16 붐클라우드 360, 인코포레이티드 헤드 마운트형 스피커를 위한 오디오 향상 기법
EP3412038A4 (de) * 2016-02-03 2019-08-14 Global Delight Technologies Pvt. Ltd. Verfahren und systeme zur bereitstellung von virtuellem surround-sound bei kopfhörern
US10313820B2 (en) * 2017-07-11 2019-06-04 Boomcloud 360, Inc. Sub-band spatial audio enhancement
EP4228288B1 (de) 2017-10-30 2025-08-06 Dolby Laboratories Licensing Corporation Virtuelle wiedergabe von objektbasiertem audio über einen beliebigen satz von lautsprechern
US10764704B2 (en) 2018-03-22 2020-09-01 Boomcloud 360, Inc. Multi-channel subband spatial processing for loudspeakers
US10966041B2 (en) * 2018-10-12 2021-03-30 Gilberto Torres Ayala Audio triangular system based on the structure of the stereophonic panning
CN112346694B (zh) * 2019-08-08 2023-03-21 海信视像科技股份有限公司 显示装置
US10841728B1 (en) 2019-10-10 2020-11-17 Boomcloud 360, Inc. Multi-channel crosstalk processing
CN111510847B (zh) * 2020-04-09 2021-09-03 瑞声科技(沭阳)有限公司 微型扬声器阵列、车内声场控制方法及装置、存储装置
CN115206332B (zh) * 2021-04-12 2025-09-16 炬芯科技股份有限公司 一种音效的处理方法、装置、电子设备及存储介质

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1522599A (en) * 1974-11-16 1978-08-23 Dolby Laboratories Inc Centre channel derivation for stereophonic cinema sound
GB9103207D0 (en) * 1991-02-15 1991-04-03 Gerzon Michael A Stereophonic sound reproduction system
JPH05191900A (ja) * 1992-01-13 1993-07-30 Clarion Co Ltd ３スピーカの音響再生装置
EP0593128B1 (de) * 1992-10-15 1999-01-07 Koninklijke Philips Electronics N.V. System zur Ableitung eines Mittelkanalsignals aus einem Stereotonsignal
DE69423922T2 (de) * 1993-01-27 2000-10-05 Koninkl Philips Electronics Nv Tonsignalverarbeitungsanordnung zur Ableitung eines Mittelkanalsignals und audiovisuelles Wiedergabesystem mit solcher Verarbeitungsanordnung
EP0608937B1 (de) 1993-01-27 2000-04-12 Koninklijke Philips Electronics N.V. Tonsignalverarbeitungsanordnung zur Ableitung eines Mittelkanalsignals und audiovisuelles Wiedergabesystem mit solcher Verarbeitungsanordnung
US5610986A (en) * 1994-03-07 1997-03-11 Miles; Michael T. Linear-matrix audio-imaging system and image analyzer
US6853732B2 (en) * 1994-03-08 2005-02-08 Sonics Associates, Inc. Center channel enhancement of virtual sound images
CN1139300C (zh) * 1997-05-20 2004-02-18 日本胜利株式会社 处理音频环绕信号的方法和系统
EP1310139A2 (de) * 2000-07-17 2003-05-14 Koninklijke Philips Electronics N.V. Stereoaudioverarbeitungsgerät
TW576122B (en) * 2000-08-31 2004-02-11 Dolby Lab Licensing Corp Method for apparatus for audio matrix decoding
TW576121B (en) * 2001-02-09 2004-02-11 Lucas Film Ltd Automobile sound system and method of sound reproduction
US6829359B2 (en) * 2002-10-08 2004-12-07 Arilg Electronics Co, Llc Multispeaker sound imaging system
JP4480335B2 (ja) * 2003-03-03 2010-06-16 パイオニア株式会社 複数チャンネル音声信号の処理回路、処理プログラム及び再生装置
US7949141B2 (en) * 2003-11-12 2011-05-24 Dolby Laboratories Licensing Corporation Processing audio signals with head related transfer function filters and a reverberator
CN101401456B (zh) 2006-03-13 2013-01-02 杜比实验室特许公司 呈现中央声道音频的方法和装置
CN101681625B (zh) * 2007-06-08 2012-11-07 杜比实验室特许公司 用于从两个输入的音频信号获得两个环绕声音频通道的方法和设备

Also Published As

Publication number Publication date
JP4887420B2 (ja) 2012-02-29
CN101401456A (zh) 2009-04-01
JP2009530909A (ja) 2009-08-27
US20090304189A1 (en) 2009-12-10
WO2007106324A1 (en) 2007-09-20
TWI451772B (zh) 2014-09-01
DE602007007457D1 (de) 2010-08-12
US8045719B2 (en) 2011-10-25
CN101401456B (zh) 2013-01-02
EP2002692A1 (de) 2008-12-17
EP2002692B1 (de) 2010-06-30
TW200740265A (en) 2007-10-16

Similar Documents

Publication Publication Date Title
ATE472905T1 (de) Ableitung von mittelkanalton
TWI489887B (zh) 用於喇叭或耳機播放之虛擬音訊處理技術
JP6645437B2 (ja) 音響再生装置
ES2587196T3 (es) Extracción de una señal directa/de ambiente de una señal de mezcla descendente e información paramétrica espacial
US6937737B2 (en) Multi-channel audio surround sound from front located loudspeakers
CN105917674B (zh) 用于处理音频信号的方法和移动装置
US8050434B1 (en) Multi-channel audio enhancement system
SG152998A1 (en) A multi-mode sound reproduction system and a corresponding method thereof
EP2285139A3 (de) Vorrichtung und Verfahren zum Umwandeln eines räumlichen Audiosignals
JP2011524151A (ja) スピーカ及びヘッドホンを使用してサラウンド・サウンドを提供するシステム及び方法
CN101695151A (zh) 多声道音频信号变换为双声道音频信号的方法和设备
JP5118267B2 (ja) 音声信号再生装置、音声信号再生方法
JP2006279548A5 (de)
DE60326704D1 (de) Kopfhörer
CN104303523B (zh) 将多声道音频信号转换为双声道音频信号的方法和设备
JPWO2010106617A1 (ja) 音声調整装置
JP6463955B2 (ja) 三次元音響再生装置及びプログラム
CN102438200A (zh) 音频信号输出的方法及终端设备
WO2006076926A3 (en) Audio processor for narrow-spaced loudspeaker reproduction
US20140056429A1 (en) Spatialization using stereo decorrelation
ATE464752T1 (de) Wiedergabe von niederfrequenzeffekten bei tonwiedergabesystemen
JP2007097006A (ja) 複数人用イヤフォン並びにヘッドフォン
US20040141619A1 (en) Method of generating a left modified and a right modified audio signal for a stereo system
CN114363793B (zh) 双声道音频转换为虚拟环绕5.1声道音频的系统及方法
Eiderbo How does binaural audio mixed for headphones translate to loudspeaker setups in terms of listener preferences?

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties