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ATE438265T1 - Schaltung zur ansteuerung kleiner elektrodynamischer wandler in audiosystemen in abhängigkeit von merkmalen des eingangssignals - Google Patents

Schaltung zur ansteuerung kleiner elektrodynamischer wandler in audiosystemen in abhängigkeit von merkmalen des eingangssignals

Info

Publication number
ATE438265T1
ATE438265T1 AT02017613T AT02017613T ATE438265T1 AT E438265 T1 ATE438265 T1 AT E438265T1 AT 02017613 T AT02017613 T AT 02017613T AT 02017613 T AT02017613 T AT 02017613T AT E438265 T1 ATE438265 T1 AT E438265T1
Authority
AT
Austria
Prior art keywords
audio signal
signal
strength information
frequency range
frequency
Prior art date
Application number
AT02017613T
Other languages
English (en)
Inventor
Thomas Lechner
Original Assignee
Sony Ericsson Mobile Comm Ab
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 Sony Ericsson Mobile Comm Ab filed Critical Sony Ericsson Mobile Comm Ab
Application granted granted Critical
Publication of ATE438265T1 publication Critical patent/ATE438265T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/356—Amplitude, e.g. amplitude shift or compression

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
  • Selective Calling Equipment (AREA)
  • Stereo-Broadcasting Methods (AREA)
AT02017613T 2002-08-05 2002-08-05 Schaltung zur ansteuerung kleiner elektrodynamischer wandler in audiosystemen in abhängigkeit von merkmalen des eingangssignals ATE438265T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02017613A EP1397024B1 (de) 2002-08-05 2002-08-05 Schaltung zur Ansteuerung kleiner elektrodynamischer Wandler in Audiosystemen in Abhängigkeit von Merkmalen des Eingangssignals

Publications (1)

Publication Number Publication Date
ATE438265T1 true ATE438265T1 (de) 2009-08-15

Family

ID=31502691

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02017613T ATE438265T1 (de) 2002-08-05 2002-08-05 Schaltung zur ansteuerung kleiner elektrodynamischer wandler in audiosystemen in abhängigkeit von merkmalen des eingangssignals

Country Status (9)

Country Link
US (1) US7764796B2 (de)
EP (1) EP1397024B1 (de)
JP (1) JP4177328B2 (de)
CN (1) CN1672462B (de)
AT (1) ATE438265T1 (de)
AU (1) AU2003282789A1 (de)
BR (1) BR0312826A (de)
DE (1) DE60233131D1 (de)
WO (1) WO2004016040A1 (de)

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US8737636B2 (en) 2009-07-10 2014-05-27 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
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WO2011076288A1 (en) 2009-12-24 2011-06-30 Nokia Corporation Loudspeaker protection apparatus and method thereof
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CN102411539B (zh) * 2011-12-01 2017-12-22 康佳集团股份有限公司 一种手机外部设备在线调试方法及系统
CN105764002B (zh) * 2014-12-17 2019-10-01 南宁富桂精密工业有限公司 音频信号处理电路
EP3089364B1 (de) 2015-05-01 2019-01-16 Nxp B.V. Verstärkungsfunktionssteuerung
EP3171614B1 (de) * 2015-11-23 2020-11-04 Goodix Technology (HK) Company Limited Steuerung für ein audiosystem
MX2018012310A (es) * 2016-04-11 2019-03-28 Gajstut Enrique Dispositivo electronico de amplificacion de audio con ajuste independiente de respuesta de altura y de graves.
CN105959866A (zh) * 2016-06-27 2016-09-21 广州市尚加电器有限公司 一种功率动态调节音响
EP3574660B1 (de) 2017-04-19 2022-06-22 Dolby Laboratories Licensing Corporation Verschiebbare bandentzerrung mit variabler frequenz zum steuern der auslenkung eines abgeschlossenen lautsprechers
WO2018194990A1 (en) * 2017-04-19 2018-10-25 Dolby Laboratories Licensing Corporation Variable-frequency sliding band equalization for controlling sealed loudspeaker excursion
EP3503574B1 (de) * 2017-12-22 2021-10-27 FalCom A/S Gehörschutzvorrichtung mit multiband-begrenzer und zugehöriges verfahren
JP7106913B2 (ja) * 2018-03-22 2022-07-27 ヤマハ株式会社 音響機器、音響制御システム、音響制御方法、及びプログラム
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JP7315701B2 (ja) * 2019-04-01 2023-07-26 ボーズ・コーポレーション 動的ヘッドルーム管理
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Also Published As

Publication number Publication date
US7764796B2 (en) 2010-07-27
EP1397024A1 (de) 2004-03-10
BR0312826A (pt) 2005-04-19
DE60233131D1 (de) 2009-09-10
CN1672462B (zh) 2011-10-19
CN1672462A (zh) 2005-09-21
JP4177328B2 (ja) 2008-11-05
AU2003282789A1 (en) 2004-02-25
EP1397024B1 (de) 2009-07-29
JP2005536096A (ja) 2005-11-24
US20060153403A1 (en) 2006-07-13
WO2004016040A1 (en) 2004-02-19

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