CN107408930B - 调节自动声音水平的放大器 - Google Patents

调节自动声音水平的放大器 Download PDF

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Publication number
CN107408930B
CN107408930B CN201680012779.6A CN201680012779A CN107408930B CN 107408930 B CN107408930 B CN 107408930B CN 201680012779 A CN201680012779 A CN 201680012779A CN 107408930 B CN107408930 B CN 107408930B
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China
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volume
slow
gain
audio
maximum
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CN201680012779.6A
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Chinese (zh)
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CN107408930A (zh
Inventor
爱德华多·曼德斯
朱利安·贝热尔
皮埃尔-埃马纽埃尔·卡莫
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Devialet SA
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Devialet SA
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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)
CN201680012779.6A 2015-01-19 2016-01-19 调节自动声音水平的放大器 Active CN107408930B (zh)

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
CN107408930A CN107408930A (zh) 2017-11-28
CN107408930B true CN107408930B (zh) 2020-10-30

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ID=53758284

Family Applications (1)

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CN201680012779.6A Active CN107408930B (zh) 2015-01-19 2016-01-19 调节自动声音水平的放大器

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)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1981433A (zh) * 2004-06-30 2007-06-13 皇家飞利浦电子股份有限公司 自动调整音频信号的音量的方法和系统
CN102257728A (zh) * 2008-10-17 2011-11-23 夏普株式会社 音频信号调节设备及音频信号调节方法

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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
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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1981433A (zh) * 2004-06-30 2007-06-13 皇家飞利浦电子股份有限公司 自动调整音频信号的音量的方法和系统
CN102257728A (zh) * 2008-10-17 2011-11-23 夏普株式会社 音频信号调节设备及音频信号调节方法

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
KR102509783B1 (ko) 2023-03-13
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
BR112017015378A2 (pt) 2018-01-16

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