DE69725060D1 - Audiosystem - Google Patents

Audiosystem

Info

Publication number
DE69725060D1
DE69725060D1 DE69725060T DE69725060T DE69725060D1 DE 69725060 D1 DE69725060 D1 DE 69725060D1 DE 69725060 T DE69725060 T DE 69725060T DE 69725060 T DE69725060 T DE 69725060T DE 69725060 D1 DE69725060 D1 DE 69725060D1
Authority
DE
Germany
Prior art keywords
audio system
audio
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.)
Expired - Fee Related
Application number
DE69725060T
Other languages
English (en)
Other versions
DE69725060T2 (de
Inventor
Darby Hadley
David Smart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ford Werke GmbH
Original Assignee
Ford Werke GmbH
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 Ford Werke GmbH filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE69725060D1 publication Critical patent/DE69725060D1/de
Publication of DE69725060T2 publication Critical patent/DE69725060T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
    • H03G7/08—Volume compression or expansion in amplifiers having semiconductor devices incorporating negative feedback
DE69725060T 1996-06-21 1997-06-20 Audiosystem Expired - Fee Related DE69725060T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9613136A GB2314476A (en) 1996-06-21 1996-06-21 Limiter for audio system in which the limiting threshold is altered by the volume control
GB9613136 1996-06-21

Publications (2)

Publication Number Publication Date
DE69725060D1 true DE69725060D1 (de) 2003-10-30
DE69725060T2 DE69725060T2 (de) 2004-08-19

Family

ID=10795736

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69725060T Expired - Fee Related DE69725060T2 (de) 1996-06-21 1997-06-20 Audiosystem

Country Status (4)

Country Link
US (1) US6061455A (de)
EP (1) EP0817374B1 (de)
DE (1) DE69725060T2 (de)
GB (1) GB2314476A (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001258090A (ja) * 2000-03-13 2001-09-21 Sony Corp スピーカ駆動回路
DE10018666A1 (de) * 2000-04-14 2001-10-18 Harman Audio Electronic Sys Vorrichtung und Verfahren zum geräuschabhängigen Anpassen eines akustischen Nutzsignals
US20040125962A1 (en) * 2000-04-14 2004-07-01 Markus Christoph Method and apparatus for dynamic sound optimization
US7110558B1 (en) * 2000-10-30 2006-09-19 Verizon Corporate Services Group Inc. Systems and methods for automatically adjusting the volume of an audio source
US7606378B2 (en) * 2001-04-11 2009-10-20 Chrysler Group Llc Radio distortion processing
CN1547803A (zh) * 2001-08-23 2004-11-17 �ʼҷ����ֵ��ӹɷ����޹�˾ 音频处理设备
US6914987B2 (en) * 2001-12-19 2005-07-05 Visteon Global Technologies, Inc. Audio amplifier with voltage limiting in response to spectral content
US8103009B2 (en) * 2002-01-25 2012-01-24 Ksc Industries, Inc. Wired, wireless, infrared, and powerline audio entertainment systems
US7346332B2 (en) * 2002-01-25 2008-03-18 Ksc Industries Incorporated Wired, wireless, infrared, and powerline audio entertainment systems
US7853341B2 (en) * 2002-01-25 2010-12-14 Ksc Industries, Inc. Wired, wireless, infrared, and powerline audio entertainment systems
KR20030072184A (ko) * 2002-08-10 2003-09-13 김승룡 오디오의 무선 볼륨 조절장치
US6760452B2 (en) 2002-10-24 2004-07-06 Visteon Global Technologies, Inc. Multi-channel audio signal limiter with shared clip detection
CN100384237C (zh) * 2004-02-28 2008-04-23 鸿富锦精密工业（深圳）有限公司 音量调整装置及方法
US7483538B2 (en) 2004-03-02 2009-01-27 Ksc Industries, Inc. Wireless and wired speaker hub for a home theater system
EP1580882B1 (de) * 2004-03-19 2007-01-10 Harman Becker Automotive Systems GmbH System und Verfahren zur Verbesserung eines Audiosignals
EP1833163B1 (de) * 2004-07-20 2019-12-18 Harman Becker Automotive Systems GmbH Audioverbesserungssystem und -verfahren
US8170221B2 (en) * 2005-03-21 2012-05-01 Harman Becker Automotive Systems Gmbh Audio enhancement system and method
DE602005015426D1 (de) 2005-05-04 2009-08-27 Harman Becker Automotive Sys System und Verfahren zur Intensivierung von Audiosignalen
US8036402B2 (en) * 2005-12-15 2011-10-11 Harman International Industries, Incorporated Distortion compensation
CN101350604B (zh) * 2007-07-19 2012-07-04 鸿富锦精密工业（深圳）有限公司 自动切换音量调节模式的装置及方法
RU2008128533A (ru) * 2008-07-15 2010-01-20 Павел Владимирович Родионов (RU) Способ автоматического регулирования громкости звука в заданном диапазоне
US20120163621A1 (en) * 2010-12-23 2012-06-28 Riggs Brett D Original equipment manufacturer ("oem") integration amplifier
JP5196208B2 (ja) * 2011-09-05 2013-05-15 オンキヨー株式会社 音量調整装置
JP6015085B2 (ja) 2012-04-13 2016-10-26 船井電機株式会社 音声信号出力機器
US9178480B2 (en) * 2013-02-28 2015-11-03 Toyota Motor Engineering & Manufacturing North America, Inc. Systems and methods for audio difference detection
US8712066B1 (en) 2013-03-14 2014-04-29 Rockford Corporation Audio signal clip detection
US20170193762A1 (en) * 2015-12-30 2017-07-06 Google Inc. Device with precision frequency stabilized audible alarm circuit
US10461710B1 (en) * 2018-08-28 2019-10-29 Sonos, Inc. Media playback system with maximum volume setting
FR3131972A1 (fr) * 2022-01-14 2023-07-21 Arkamys Procédé de gestion des basses fréquences d’un haut-parleur et dispositif pour la mise en œuvre dudit procédé

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54136111A (en) * 1978-04-13 1979-10-23 Nissan Motor Noise removing circuit
JPS59230313A (ja) * 1983-06-14 1984-12-24 Honda Motor Co Ltd 車両のオ−デイオ装置
DE3426068A1 (de) * 1983-09-22 1985-04-11 Blaupunkt-Werke Gmbh, 3200 Hildesheim Verfahren zum anpassen der lautstaerke eines lautsprechers an einen am lautsprecherort herrschenden stoergeraeuschpegel
US4912424A (en) * 1989-06-12 1990-03-27 Ford Motor Company Audio amplifier with voltage limiting
US5054078A (en) * 1990-03-05 1991-10-01 Motorola, Inc. Method and apparatus to suspend speech
US5130665A (en) * 1991-02-14 1992-07-14 Walden Richard L Audio volume level control
US5243657A (en) * 1992-07-31 1993-09-07 Brian Cotton Automatic microphone sensitivity control circuit
US5327101A (en) * 1993-07-02 1994-07-05 Ford Motor Company Distortion-free limiter for a power amplifier
US5453716A (en) * 1993-11-22 1995-09-26 Chrysler Corporation Adjustable clip detection system

Also Published As

Publication number Publication date
EP0817374B1 (de) 2003-09-24
GB9613136D0 (en) 1996-08-28
DE69725060T2 (de) 2004-08-19
EP0817374A3 (de) 1998-05-06
EP0817374A2 (de) 1998-01-07
US6061455A (en) 2000-05-09
GB2314476A (en) 1997-12-24

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee