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CA2691308C - Procede et systeme de commande du niveau maximal de signal de sortie a des ecouteurs couples a un dispositif sans fil - Google Patents

Procede et systeme de commande du niveau maximal de signal de sortie a des ecouteurs couples a un dispositif sans fil Download PDF

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Publication number
CA2691308C
CA2691308C CA2691308A CA2691308A CA2691308C CA 2691308 C CA2691308 C CA 2691308C CA 2691308 A CA2691308 A CA 2691308A CA 2691308 A CA2691308 A CA 2691308A CA 2691308 C CA2691308 C CA 2691308C
Authority
CA
Canada
Prior art keywords
headphones
wireless device
signal level
maximum signal
impedance
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
CA2691308A
Other languages
English (en)
Other versions
CA2691308A1 (fr
Inventor
Cyril Martin
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.)
BlackBerry Ltd
Original Assignee
BlackBerry Ltd
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 BlackBerry Ltd filed Critical BlackBerry Ltd
Publication of CA2691308A1 publication Critical patent/CA2691308A1/fr
Application granted granted Critical
Publication of CA2691308C publication Critical patent/CA2691308C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/07—Use of position data from wide-area or local-area positioning systems in hearing devices, e.g. program or information selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Headphones And Earphones (AREA)
  • Amplifiers (AREA)
  • Telephone Function (AREA)
  • Transceivers (AREA)

Abstract

L'invention a trait à un procédé pour commander une sortie de niveau de signal maximal au casque d'écoute d'un appareil sans fil. Le procédé comprend la détermination d'une impédance du casque d'écoute; la détermination d'un niveau de signal maximal spécifique de porteuse pour un casque d'écoute ayant l'impédance; et le réglage d'un amplificateur audio du dispositif sans fil couplé au casque d'écoute pour limiter la sortie de niveau de signal maximum au casque d'écoute au niveau de signal maximal spécifique de porteuse.
CA2691308A 2009-02-27 2010-01-28 Procede et systeme de commande du niveau maximal de signal de sortie a des ecouteurs couples a un dispositif sans fil Active CA2691308C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EPEP09154033 2009-02-27
EP09154033A EP2224749B1 (fr) 2009-02-27 2009-02-27 Procédé et système pour le contrôle d'une sortie de niveau de signal maximum vers des écouteurs raccordés à un dispositif sans fil

Publications (2)

Publication Number Publication Date
CA2691308A1 CA2691308A1 (fr) 2010-08-27
CA2691308C true CA2691308C (fr) 2014-04-01

Family

ID=40863711

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2691308A Active CA2691308C (fr) 2009-02-27 2010-01-28 Procede et systeme de commande du niveau maximal de signal de sortie a des ecouteurs couples a un dispositif sans fil

Country Status (4)

Country Link
EP (3) EP2387254B1 (fr)
CN (1) CN101820697B (fr)
AT (1) ATE531208T1 (fr)
CA (1) CA2691308C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102857228A (zh) * 2011-06-30 2013-01-02 富泰华工业（深圳）有限公司 电子设备及其音频输出控制方法
US9124980B2 (en) * 2012-07-09 2015-09-01 Maxim Integrated Products, Inc. System and method for optimized playback of audio signals through headphones
EP2763433B1 (fr) * 2013-02-01 2017-04-05 BlackBerry Limited Appareil, systèmes et procédés permettant d'identifier confusément un accessoire audio par la mise en forme spectrale
US9143863B2 (en) 2013-02-01 2015-09-22 Blackberry Limited Apparatus, systems and methods for inaudibly identifying an audio accessory using spectral shaping
CN104244141A (zh) * 2013-06-21 2014-12-24 深圳富泰宏精密工业有限公司 耳机音频输出控制电路
CN105700613B (zh) * 2016-02-14 2017-12-12 惠州Tcl移动通信有限公司 一种移动终端的输出功率调整装置及其方法
US9872117B2 (en) 2016-03-01 2018-01-16 Blackberry Limited Device and method for adjusting an output to an audio port based on a determined sensitivity
CN105827505A (zh) * 2016-03-10 2016-08-03 广东欧珀移动通信有限公司 一种即时通讯的通知方法、装置及移动终端
DE102024110714A1 (de) 2024-04-17 2025-10-23 Sonova Consumer Hearing Gmbh Kopfhörer mit automatischer Lautstärkebegrenzung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7263367B1 (en) * 1999-04-28 2007-08-28 Sabot Associates, Inc. Systems and methods for setting a mode of operation of electronic devices
US20040017921A1 (en) * 2002-07-26 2004-01-29 Mantovani Jose Ricardo Baddini Electrical impedance based audio compensation in audio devices and methods therefor
US20060099967A1 (en) * 2004-11-11 2006-05-11 Emily Colvin Methods, systems, and computer program products for implementing proximity-based sound emission controls
DE102005006660B3 (de) * 2005-02-14 2006-11-16 Siemens Audiologische Technik Gmbh Verfahren zum Einstellen eines Hörhilfsgeräts, Hörhilfsgerät und mobile Ansteuervorrichtung zur Einstellung eines Hörhilfsgeräts sowie Verfahren zur automatischen Einstellung
DK2227042T3 (da) * 2005-05-03 2012-03-19 Oticon As System og fremgangsmåde til deling af netværksressourcer mellem høreindretninger
CN100518384C (zh) * 2005-06-29 2009-07-22 洪涛 一种无源电-声装置及其放音方法
KR20080063267A (ko) * 2005-07-19 2008-07-03 아우디오아시스 에이/에스 프로그래밍 가능 마이크로폰
US20100092017A1 (en) * 2007-04-18 2010-04-15 Phonak Ag Hearing system and method for operating the same
DE102007032281A1 (de) 2007-07-11 2009-01-15 Austriamicrosystems Ag Wiedergabeeinrichtung und Verfahren zum Steuern einer Wiedergabeeinrichtung

Also Published As

Publication number Publication date
CN101820697A (zh) 2010-09-01
EP2224749A1 (fr) 2010-09-01
EP2387254A3 (fr) 2011-12-28
EP2387254B1 (fr) 2015-11-11
CN101820697B (zh) 2014-12-17
EP2453672A1 (fr) 2012-05-16
EP2387254A2 (fr) 2011-11-16
CA2691308A1 (fr) 2010-08-27
EP2224749B1 (fr) 2011-10-26
EP2453672B1 (fr) 2013-05-01
ATE531208T1 (de) 2011-11-15

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