TW247390B - Apparatus and method for adjusting levels between channels of a sound system - Google Patents

Apparatus and method for adjusting levels between channels of a sound system

Info

Publication number
TW247390B
TW247390B TW083103871A TW83103871A TW247390B TW 247390 B TW247390 B TW 247390B TW 083103871 A TW083103871 A TW 083103871A TW 83103871 A TW83103871 A TW 83103871A TW 247390 B TW247390 B TW 247390B
Authority
TW
Taiwan
Prior art keywords
channels
centre
channel
centre channel
sound system
Prior art date
Application number
TW083103871A
Other languages
English (en)
Inventor
Ian R Paisley
Original Assignee
Audio Products Int 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 Audio Products Int Corp filed Critical Audio Products Int Corp
Application granted granted Critical
Publication of TW247390B publication Critical patent/TW247390B/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
TW083103871A 1994-04-29 1994-04-29 Apparatus and method for adjusting levels between channels of a sound system TW247390B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/234,693 US5530760A (en) 1994-04-29 1994-04-29 Apparatus and method for adjusting levels between channels of a sound system

Publications (1)

Publication Number Publication Date
TW247390B true TW247390B (en) 1995-05-11

Family

ID=22882411

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083103871A TW247390B (en) 1994-04-29 1994-04-29 Apparatus and method for adjusting levels between channels of a sound system

Country Status (4)

Country Link
US (1) US5530760A (zh)
AU (1) AU2401995A (zh)
TW (1) TW247390B (zh)
WO (1) WO1995030322A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI420918B (zh) * 2005-12-02 2013-12-21 Dolby Lab Licensing Corp 低複雜度音訊矩陣解碼器

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7415120B1 (en) 1998-04-14 2008-08-19 Akiba Electronics Institute Llc User adjustable volume control that accommodates hearing
US6311155B1 (en) 2000-02-04 2001-10-30 Hearing Enhancement Company Llc Use of voice-to-remaining audio (VRA) in consumer applications
ATE472193T1 (de) * 1998-04-14 2010-07-15 Hearing Enhancement Co Llc Vom benutzer einstellbare lautstärkensteuerung zur höranpassung
US6782111B1 (en) * 1998-07-09 2004-08-24 Bose Corporation Multiple voicecoil and driver transducing
US6931134B1 (en) * 1998-07-28 2005-08-16 James K. Waller, Jr. Multi-dimensional processor and multi-dimensional audio processor system
AR024353A1 (es) 1999-06-15 2002-10-02 He Chunhong Audifono y equipo auxiliar interactivo con relacion de voz a audio remanente
US6442278B1 (en) * 1999-06-15 2002-08-27 Hearing Enhancement Company, Llc Voice-to-remaining audio (VRA) interactive center channel downmix
JP4023036B2 (ja) * 1999-07-06 2007-12-19 松下電器産業株式会社 車載用音響システム
US7266501B2 (en) * 2000-03-02 2007-09-04 Akiba Electronics Institute Llc Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process
US6351733B1 (en) 2000-03-02 2002-02-26 Hearing Enhancement Company, Llc Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process
US20040096065A1 (en) * 2000-05-26 2004-05-20 Vaudrey Michael A. Voice-to-remaining audio (VRA) interactive center channel downmix
JP2002354600A (ja) * 2001-05-29 2002-12-06 Pioneer Electronic Corp 音響装置
JP4215967B2 (ja) * 2001-05-29 2009-01-28 パイオニア株式会社 音響装置
US7668317B2 (en) * 2001-05-30 2010-02-23 Sony Corporation Audio post processing in DVD, DTV and other audio visual products
US20050185806A1 (en) * 2003-02-14 2005-08-25 Salvador Eduardo T. Controlling fading and surround signal level
US7305097B2 (en) * 2003-02-14 2007-12-04 Bose Corporation Controlling fading and surround signal level
US7251337B2 (en) * 2003-04-24 2007-07-31 Dolby Laboratories Licensing Corporation Volume control in movie theaters
US7551745B2 (en) * 2003-04-24 2009-06-23 Dolby Laboratories Licensing Corporation Volume and compression control in movie theaters
JP4486646B2 (ja) * 2003-05-28 2010-06-23 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション オーディオ信号の感知音量を計算し調整する方法、装置及びコンピュータプログラム
US8199933B2 (en) 2004-10-26 2012-06-12 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
US8090120B2 (en) * 2004-10-26 2012-01-03 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
BRPI0622303B1 (pt) * 2005-04-18 2016-03-01 Basf Se copolímeros cp na forma de um polímero obtido por polimerização com radical de pelo menos três monômeros m diferentes monoetilenicamente insaturados
TWI517562B (zh) * 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
CN101410892B (zh) * 2006-04-04 2012-08-08 杜比实验室特许公司 改进的离散余弦变换域中的音频信号响度测量及修改
MY141426A (en) 2006-04-27 2010-04-30 Dolby Lab Licensing Corp Audio gain control using specific-loudness-based auditory event detection
US8849433B2 (en) 2006-10-20 2014-09-30 Dolby Laboratories Licensing Corporation Audio dynamics processing using a reset
US8521314B2 (en) * 2006-11-01 2013-08-27 Dolby Laboratories Licensing Corporation Hierarchical control path with constraints for audio dynamics processing
BRPI0813723B1 (pt) * 2007-07-13 2020-02-04 Dolby Laboratories Licensing Corp método para controlar o nível de intensidade do som de eventos auditivos, memória legível por computador não transitória, sistema de computador e aparelho
JP4854630B2 (ja) * 2007-09-13 2012-01-18 富士通株式会社 音処理装置、利得制御装置、利得制御方法及びコンピュータプログラム
KR100889478B1 (ko) * 2007-11-23 2009-03-19 정원섭 다중 음상을 갖는 음향 장치
KR101597375B1 (ko) 2007-12-21 2016-02-24 디티에스 엘엘씨 오디오 신호의 인지된 음량을 조절하기 위한 시스템
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
CA2941646C (en) 2009-10-05 2019-09-10 Harman International Industries, Incorporated Multichannel audio system having audio channel compensation
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
CN111512642B (zh) * 2017-12-28 2022-04-29 索尼公司 显示设备和信号生成设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2019615A (en) * 1933-11-21 1935-11-05 Electrical Res Prod Inc Sound transmission system
JPS5317283B2 (zh) * 1973-03-07 1978-06-07
US4589129A (en) * 1984-02-21 1986-05-13 Kintek, Inc. Signal decoding system
US5222059A (en) * 1988-01-06 1993-06-22 Lucasfilm Ltd. Surround-sound system with motion picture soundtrack timbre correction, surround sound channel timbre correction, defined loudspeaker directionality, and reduced comb-filter effects
US5189703A (en) * 1988-01-06 1993-02-23 Lucasarts Entertainment Company Timbre correction units for use in sound systems
US5043970A (en) * 1988-01-06 1991-08-27 Lucasarts Entertainment Company Sound system with source material and surround timbre response correction, specified front and surround loudspeaker directionality, and multi-loudspeaker surround
US4932059A (en) * 1988-01-11 1990-06-05 Fosgate Inc. Variable matrix decoder for periphonic reproduction of sound
JPH0720319B2 (ja) * 1988-08-12 1995-03-06 三洋電機株式会社 センターモードコントロール回路
JPH02256400A (ja) * 1989-03-29 1990-10-17 Pioneer Electron Corp オーディオ信号再生装置
US5172415A (en) * 1990-06-08 1992-12-15 Fosgate James W Surround processor
US5199075A (en) * 1991-11-14 1993-03-30 Fosgate James W Surround sound loudspeakers and processor
FI102799B (fi) * 1993-06-15 1999-02-15 Nokia Technology Gmbh Paranettu Dolby Prologic -dekooderi

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI420918B (zh) * 2005-12-02 2013-12-21 Dolby Lab Licensing Corp 低複雜度音訊矩陣解碼器

Also Published As

Publication number Publication date
WO1995030322A1 (en) 1995-11-09
US5530760A (en) 1996-06-25
AU2401995A (en) 1995-11-29

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