DE60321177D1 - Schaltung zum reduzieren des dynamikbereichs von audiosignalen - Google Patents

Schaltung zum reduzieren des dynamikbereichs von audiosignalen

Info

Publication number
DE60321177D1
DE60321177D1 DE60321177T DE60321177T DE60321177D1 DE 60321177 D1 DE60321177 D1 DE 60321177D1 DE 60321177 T DE60321177 T DE 60321177T DE 60321177 T DE60321177 T DE 60321177T DE 60321177 D1 DE60321177 D1 DE 60321177D1
Authority
DE
Germany
Prior art keywords
switching
reduce
dynamic range
audio signals
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 - Lifetime
Application number
DE60321177T
Other languages
English (en)
Inventor
Georg Spielbauer
Markus Christoph
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.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman Becker Automotive Systems 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 Harman Becker Automotive Systems GmbH filed Critical Harman Becker Automotive Systems GmbH
Application granted granted Critical
Publication of DE60321177D1 publication Critical patent/DE60321177D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/005—Tone control or bandwidth control in amplifiers of digital signals
DE60321177T 2002-07-18 2003-07-09 Schaltung zum reduzieren des dynamikbereichs von audiosignalen Expired - Lifetime DE60321177D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10232645A DE10232645A1 (de) 2002-07-18 2002-07-18 Schaltungsanordnung zur Verringerung des Dynamikbereichs von Audiosignalen
PCT/EP2003/007442 WO2004010412A2 (en) 2002-07-18 2003-07-09 Circuit arrangement for reducing the dynamic range of audio signals

Publications (1)

Publication Number Publication Date
DE60321177D1 true DE60321177D1 (de) 2008-07-03

Family

ID=30010170

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10232645A Ceased DE10232645A1 (de) 2002-07-18 2002-07-18 Schaltungsanordnung zur Verringerung des Dynamikbereichs von Audiosignalen
DE60321177T Expired - Lifetime DE60321177D1 (de) 2002-07-18 2003-07-09 Schaltung zum reduzieren des dynamikbereichs von audiosignalen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10232645A Ceased DE10232645A1 (de) 2002-07-18 2002-07-18 Schaltungsanordnung zur Verringerung des Dynamikbereichs von Audiosignalen

Country Status (4)

Country Link
US (1) US7430296B2 (de)
EP (1) EP1523805B1 (de)
DE (2) DE10232645A1 (de)
WO (1) WO2004010412A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007119330A1 (ja) * 2006-03-13 2007-10-25 Matsushita Electric Industrial Co., Ltd. 音像定位装置
JP5136378B2 (ja) 2008-12-09 2013-02-06 富士通株式会社 音響処理方法
US8965774B2 (en) * 2011-08-23 2015-02-24 Apple Inc. Automatic detection of audio compression parameters
US9084050B2 (en) * 2013-07-12 2015-07-14 Elwha Llc Systems and methods for remapping an audio range to a human perceivable range
DE102015111463A1 (de) 2015-07-15 2017-01-19 Ask Industries Gmbh Verfahren zur Lautstärkeanpassung von Audiosignalen unterschiedlicher Lautstärke

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221934A (en) * 1979-05-11 1980-09-09 Rca Corporation Compandor for group of FDM signals
US4701722A (en) * 1985-06-17 1987-10-20 Dolby Ray Milton Circuit arrangements for modifying dynamic range using series and parallel circuit techniques
US5255324A (en) * 1990-12-26 1993-10-19 Ford Motor Company Digitally controlled audio amplifier with voltage limiting
DE19547093A1 (de) * 1995-12-16 1997-06-19 Nokia Deutschland Gmbh Schaltungsanordnung zur Verbesserung des Störabstandes
US6577739B1 (en) 1997-09-19 2003-06-10 University Of Iowa Research Foundation Apparatus and methods for proportional audio compression and frequency shifting
DK199900017A (da) * 1999-01-08 2000-07-09 Gn Resound As Tidsstyret høreapparat
AU4278300A (en) * 1999-04-26 2000-11-10 Dspfactory Ltd. Loudness normalization control for a digital hearing aid
IL154397A0 (en) 2000-08-14 2003-09-17 Clear Audio Ltd Voice enhancement system
US7013011B1 (en) * 2001-12-28 2006-03-14 Plantronics, Inc. Audio limiting circuit

Also Published As

Publication number Publication date
WO2004010412A3 (en) 2004-08-05
US7430296B2 (en) 2008-09-30
DE10232645A1 (de) 2004-02-05
EP1523805A2 (de) 2005-04-20
WO2004010412A2 (en) 2004-01-29
US20060245604A1 (en) 2006-11-02
EP1523805B1 (de) 2008-05-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition