BR112017015378B1 - Método de adaptação do ganho de volume e amplificador - Google Patents

Método de adaptação do ganho de volume e amplificador Download PDF

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Publication number
BR112017015378B1
BR112017015378B1 BR112017015378-5A BR112017015378A BR112017015378B1 BR 112017015378 B1 BR112017015378 B1 BR 112017015378B1 BR 112017015378 A BR112017015378 A BR 112017015378A BR 112017015378 B1 BR112017015378 B1 BR 112017015378B1
Authority
BR
Brazil
Prior art keywords
slow
volume gain
gvolume
gain
saudio
Prior art date
Application number
BR112017015378-5A
Other languages
English (en)
Portuguese (pt)
Other versions
BR112017015378A2 (pt
Inventor
Eduardo MENDES
Julien Bergère
Pierre-Emmanuel Calmel
Original Assignee
Devialet
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 Devialet filed Critical Devialet
Publication of BR112017015378A2 publication Critical patent/BR112017015378A2/pt
Publication of BR112017015378B1 publication Critical patent/BR112017015378B1/pt

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Classifications

    • 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

Landscapes

  • 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)
BR112017015378-5A 2015-01-19 2016-01-19 Método de adaptação do ganho de volume e amplificador BR112017015378B1 (pt)

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
BR112017015378A2 BR112017015378A2 (pt) 2018-01-16
BR112017015378B1 true BR112017015378B1 (pt) 2022-12-06

Family

ID=53758284

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017015378-5A BR112017015378B1 (pt) 2015-01-19 2016-01-19 Método de adaptação do ganho de volume e amplificador

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
KR102509783B1 (ko) 2023-03-13
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

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/01/2016, OBSERVADAS AS CONDICOES LEGAIS