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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KR
South Korea
Prior art keywords
volume
slow
gain
audio
volume gain
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KR1020177023145A
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English (en)
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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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • 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

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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
FR1550405 2015-01-19
FR1550405A FR3031852B1 (fr) 2015-01-19 2015-01-19 Amplificateur a reglage de niveau sonore automatique
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 (enExample)
EP (1) EP3248286B1 (enExample)
JP (3) JP2018509031A (enExample)
KR (1) KR102509783B1 (enExample)
CN (1) CN107408930B (enExample)
BR (1) BR112017015378B1 (enExample)
CA (1) CA2974156C (enExample)
FR (1) FR3031852B1 (enExample)
WO (1) WO2016116453A1 (enExample)

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
CN1615580A (zh) * 2002-01-24 2005-05-11 皇家飞利浦电子股份有限公司 一种用于减小信号的动态范围的方法和电子电路
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
US20120014538A1 (en) * 2008-12-29 2012-01-19 Serkan Bozkurt 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
US20140369527A1 (en) * 2011-09-22 2014-12-18 Earsoft Limited Dynamic range control
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
FR3031852A1 (fr) 2016-07-22
CA2974156C (fr) 2023-08-01
JP2023103276A (ja) 2023-07-26
EP3248286B1 (fr) 2019-09-25
CA2974156A1 (fr) 2016-07-28
KR20170139499A (ko) 2017-12-19
BR112017015378B1 (pt) 2022-12-06
US20180097496A1 (en) 2018-04-05
EP3248286A1 (fr) 2017-11-29
JP2021078148A (ja) 2021-05-20
CN107408930A (zh) 2017-11-28
JP2018509031A (ja) 2018-03-29
WO2016116453A1 (fr) 2016-07-28
US10141905B2 (en) 2018-11-27
FR3031852B1 (fr) 2018-05-11
CN107408930B (zh) 2020-10-30
BR112017015378A2 (pt) 2018-01-16

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