DE602004004242D1 - System und Verfahren zur Verbesserung eines Audiosignals - Google Patents

System und Verfahren zur Verbesserung eines Audiosignals

Info

Publication number
DE602004004242D1
DE602004004242D1 DE602004004242T DE602004004242T DE602004004242D1 DE 602004004242 D1 DE602004004242 D1 DE 602004004242D1 DE 602004004242 T DE602004004242 T DE 602004004242T DE 602004004242 T DE602004004242 T DE 602004004242T DE 602004004242 D1 DE602004004242 D1 DE 602004004242D1
Authority
DE
Germany
Prior art keywords
improving
audio signal
audio
signal
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
DE602004004242T
Other languages
English (en)
Other versions
DE602004004242T2 (de
Inventor
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
Publication of DE602004004242D1 publication Critical patent/DE602004004242D1/de
Application granted granted Critical
Publication of DE602004004242T2 publication Critical patent/DE602004004242T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/32Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/14Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control
DE602004004242T 2004-03-19 2004-03-19 System und Verfahren zur Verbesserung eines Audiosignals Expired - Lifetime DE602004004242T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04006732A EP1580882B1 (de) 2004-03-19 2004-03-19 System und Verfahren zur Verbesserung eines Audiosignals

Publications (2)

Publication Number Publication Date
DE602004004242D1 true DE602004004242D1 (de) 2007-02-22
DE602004004242T2 DE602004004242T2 (de) 2008-06-05

Family

ID=34854565

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004004242T Expired - Lifetime DE602004004242T2 (de) 2004-03-19 2004-03-19 System und Verfahren zur Verbesserung eines Audiosignals

Country Status (3)

Country Link
US (1) US7302062B2 (de)
EP (1) EP1580882B1 (de)
DE (1) DE602004004242T2 (de)

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KR102160473B1 (ko) * 2014-05-07 2020-09-28 삼성전자주식회사 볼륨을 제어하는 방법 및 전자 장치
CN105336341A (zh) 2014-05-26 2016-02-17 杜比实验室特许公司 增强音频信号中的语音内容的可理解性
CN110808723B (zh) 2014-05-26 2024-09-17 杜比实验室特许公司 音频信号响度控制
CN104037606B (zh) * 2014-06-19 2017-04-12 中国科学院光电技术研究所 一种基于光纤的分布式自适应光学系统
CN105811907B (zh) * 2014-12-29 2018-07-31 宏碁股份有限公司 音频处理方法
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Also Published As

Publication number Publication date
US20050207583A1 (en) 2005-09-22
DE602004004242T2 (de) 2008-06-05
US7302062B2 (en) 2007-11-27
EP1580882B1 (de) 2007-01-10
EP1580882A1 (de) 2005-09-28

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