FR3031852B1 - Amplificateur a reglage de niveau sonore automatique - Google Patents

Amplificateur a reglage de niveau sonore automatique Download PDF

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Publication number
FR3031852B1
FR3031852B1 FR1550405A FR1550405A FR3031852B1 FR 3031852 B1 FR3031852 B1 FR 3031852B1 FR 1550405 A FR1550405 A FR 1550405A FR 1550405 A FR1550405 A FR 1550405A FR 3031852 B1 FR3031852 B1 FR 3031852B1
Authority
FR
France
Prior art keywords
sound level
level adjusting
automatic sound
adjusting amplifier
amplifier
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1550405A
Other languages
English (en)
French (fr)
Other versions
FR3031852A1 (fr
Inventor
Eduardo MENDES
Julien Bergere
Pierre-Emmanuel Calmel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Devialet SA
Original Assignee
Devialet SA
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
Priority to FR1550405A priority Critical patent/FR3031852B1/fr
Application filed by Devialet SA filed Critical Devialet SA
Priority to CN201680012779.6A priority patent/CN107408930B/zh
Priority to KR1020177023145A priority patent/KR102509783B1/ko
Priority to CA2974156A priority patent/CA2974156C/fr
Priority to US15/544,772 priority patent/US10141905B2/en
Priority to BR112017015378-5A priority patent/BR112017015378B1/pt
Priority to PCT/EP2016/051029 priority patent/WO2016116453A1/fr
Priority to JP2017537928A priority patent/JP2018509031A/ja
Priority to EP16701015.6A priority patent/EP3248286B1/fr
Publication of FR3031852A1 publication Critical patent/FR3031852A1/fr
Application granted granted Critical
Publication of FR3031852B1 publication Critical patent/FR3031852B1/fr
Priority to JP2021018225A priority patent/JP2021078148A/ja
Priority to JP2023070914A priority patent/JP2023103276A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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)
FR1550405A 2015-01-19 2015-01-19 Amplificateur a reglage de niveau sonore automatique Active FR3031852B1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR1550405A FR3031852B1 (fr) 2015-01-19 2015-01-19 Amplificateur a reglage de niveau sonore automatique
EP16701015.6A EP3248286B1 (fr) 2015-01-19 2016-01-19 Amplificateur à réglage de niveau sonore automatique
CA2974156A CA2974156C (fr) 2015-01-19 2016-01-19 Amplificateur a reglage de niveau sonore automatique
US15/544,772 US10141905B2 (en) 2015-01-19 2016-01-19 Amplifier with adjustment of the automatic sound level
BR112017015378-5A BR112017015378B1 (pt) 2015-01-19 2016-01-19 Método de adaptação do ganho de volume e amplificador
PCT/EP2016/051029 WO2016116453A1 (fr) 2015-01-19 2016-01-19 Amplificateur à réglage de niveau sonore automatique
CN201680012779.6A CN107408930B (zh) 2015-01-19 2016-01-19 调节自动声音水平的放大器
KR1020177023145A KR102509783B1 (ko) 2015-01-19 2016-01-19 자동 사운드 레벨 조절 기능을 가진 증폭기
JP2017537928A JP2018509031A (ja) 2015-01-19 2016-01-19 自動サウンドレベルの調整を有する増幅器
JP2021018225A JP2021078148A (ja) 2015-01-19 2021-02-08 自動サウンドレベルの調整を有する増幅器
JP2023070914A JP2023103276A (ja) 2015-01-19 2023-04-24 自動サウンドレベルの調整を有する増幅器

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FR3031852A1 FR3031852A1 (fr) 2016-07-22
FR3031852B1 true FR3031852B1 (fr) 2018-05-11

Family

ID=53758284

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1550405A Active FR3031852B1 (fr) 2015-01-19 2015-01-19 Amplificateur a reglage de niveau sonore automatique

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
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
CN107408930B (zh) 2020-10-30
BR112017015378A2 (pt) 2018-01-16

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