KR102509783B1 - 자동 사운드 레벨 조절 기능을 가진 증폭기 - Google Patents

자동 사운드 레벨 조절 기능을 가진 증폭기 Download PDF

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Publication number
KR102509783B1
KR102509783B1 KR1020177023145A KR20177023145A KR102509783B1 KR 102509783 B1 KR102509783 B1 KR 102509783B1 KR 1020177023145 A KR1020177023145 A KR 1020177023145A KR 20177023145 A KR20177023145 A KR 20177023145A KR 102509783 B1 KR102509783 B1 KR 102509783B1
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South Korea
Prior art keywords
volume
slow
gain
audio
volume gain
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KR1020177023145A
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Korean (ko)
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KR20170139499A (ko
Inventor
에두아르도 멘데스
줄리엔 베르게레
피에르-에마뉘엘 칼멜
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드비알레
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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/002Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/007Volume compression or expansion in amplifiers of digital or coded signals

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
KR1020177023145A 2015-01-19 2016-01-19 자동 사운드 레벨 조절 기능을 가진 증폭기 Active KR102509783B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1550405A FR3031852B1 (fr) 2015-01-19 2015-01-19 Amplificateur a reglage de niveau sonore automatique
FR1550405 2015-01-19
PCT/EP2016/051029 WO2016116453A1 (fr) 2015-01-19 2016-01-19 Amplificateur à réglage de niveau sonore automatique

Publications (2)

Publication Number Publication Date
KR20170139499A KR20170139499A (ko) 2017-12-19
KR102509783B1 true KR102509783B1 (ko) 2023-03-13

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KR1020177023145A Active KR102509783B1 (ko) 2015-01-19 2016-01-19 자동 사운드 레벨 조절 기능을 가진 증폭기

Country Status (9)

Country Link
US (1) US10141905B2 (https=)
EP (1) EP3248286B1 (https=)
JP (3) JP2018509031A (https=)
KR (1) KR102509783B1 (https=)
CN (1) CN107408930B (https=)
BR (1) BR112017015378B1 (https=)
CA (1) CA2974156C (https=)
FR (1) FR3031852B1 (https=)
WO (1) WO2016116453A1 (https=)

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466119A (en) * 1983-04-11 1984-08-14 Industrial Research Products, Inc. Audio loudness control system
US5130665A (en) * 1991-02-14 1992-07-14 Walden Richard L Audio volume level control
JPH06253385A (ja) * 1993-02-23 1994-09-09 Sony Corp 再生装置
US5666430A (en) 1995-01-09 1997-09-09 Matsushita Electric Corporation Of America Method and apparatus for leveling audio output
CA2372017A1 (en) * 1999-04-26 2000-11-02 Dspfactory Ltd. Loudness normalization control for a digital hearing aid
US20050147262A1 (en) * 2002-01-24 2005-07-07 Breebaart Dirk J. Method for decreasing the dynamic range of a signal and electronic circuit
AU2003240195A1 (en) * 2003-06-18 2005-01-04 Nokia Corporation Dynamic range control of an audio signal and method of its operation
JP4103846B2 (ja) * 2004-04-30 2008-06-18 ソニー株式会社 情報処理装置、音量制御方法、記録媒体、およびプログラム
EP1763923A1 (en) * 2004-06-30 2007-03-21 Koninklijke Philips Electronics N.V. Method of and system for automatically adjusting the loudness of an audio signal
US8081777B2 (en) * 2006-03-21 2011-12-20 Fairchild Semiconductor Corporation Volume-based adaptive biasing
US20080013751A1 (en) * 2006-07-17 2008-01-17 Per Hiselius Volume dependent audio frequency gain profile
TWI311893B (en) * 2006-09-13 2009-07-01 Coretronic Corporatio Audio control method and acoustic processing system
US8135147B2 (en) * 2006-10-09 2012-03-13 Lg Electronics Inc. Method and device for adjusting audio volume level
JP4582117B2 (ja) * 2007-06-06 2010-11-17 ヤマハ株式会社 音量制御装置
JP2010034700A (ja) * 2008-07-25 2010-02-12 Yamaha Corp オーディオ信号処理装置、スピーカ装置およびテレビ
EP2352225A1 (en) * 2008-10-17 2011-08-03 Sharp Kabushiki Kaisha Audio signal adjustment device and audio signal adjustment method
JP5603339B2 (ja) * 2008-10-29 2014-10-08 ドルビー インターナショナル アーベー 既存のオーディオゲインメタデータを使用した信号のクリッピングの保護
WO2010076215A1 (en) * 2008-12-29 2010-07-08 Arcelik Anonim Sirketi An audio equipment and a control method thereof
JP5012859B2 (ja) * 2009-07-03 2012-08-29 パナソニック株式会社 音量調整装置
JP5771774B2 (ja) * 2010-12-14 2015-09-02 パナソニックIpマネジメント株式会社 自動音量補正装置、音声転送装置及びインターホンシステム
CN103828232A (zh) * 2011-09-22 2014-05-28 伊尔索芙特有限公司 动态范围控制
US9401685B2 (en) * 2012-06-08 2016-07-26 Apple Inc. Systems and methods for adjusting automatic gain control

Also Published As

Publication number Publication date
JP2018509031A (ja) 2018-03-29
EP3248286A1 (fr) 2017-11-29
US20180097496A1 (en) 2018-04-05
US10141905B2 (en) 2018-11-27
FR3031852B1 (fr) 2018-05-11
CA2974156C (fr) 2023-08-01
JP2023103276A (ja) 2023-07-26
WO2016116453A1 (fr) 2016-07-28
EP3248286B1 (fr) 2019-09-25
CN107408930B (zh) 2020-10-30
CN107408930A (zh) 2017-11-28
FR3031852A1 (fr) 2016-07-22
BR112017015378A2 (pt) 2018-01-16
JP2021078148A (ja) 2021-05-20
KR20170139499A (ko) 2017-12-19
CA2974156A1 (fr) 2016-07-28
BR112017015378B1 (pt) 2022-12-06

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