ATE288169T1 - Dynamikregelung für lautsprecher - Google Patents

Dynamikregelung für lautsprecher

Info

Publication number
ATE288169T1
ATE288169T1 AT00931183T AT00931183T ATE288169T1 AT E288169 T1 ATE288169 T1 AT E288169T1 AT 00931183 T AT00931183 T AT 00931183T AT 00931183 T AT00931183 T AT 00931183T AT E288169 T1 ATE288169 T1 AT E288169T1
Authority
AT
Austria
Prior art keywords
speakers
dynamic control
loudspeaker
microphone
telephone
Prior art date
Application number
AT00931183T
Other languages
English (en)
Inventor
John Philipsson
Jim Rasmusson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE288169T1 publication Critical patent/ATE288169T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
AT00931183T 1999-06-07 2000-05-10 Dynamikregelung für lautsprecher ATE288169T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9913236A GB2350969B (en) 1999-06-07 1999-06-07 Loudspeaker volume range control
PCT/EP2000/004242 WO2000076176A2 (en) 1999-06-07 2000-05-10 Loudspeaker volume range control

Publications (1)

Publication Number Publication Date
ATE288169T1 true ATE288169T1 (de) 2005-02-15

Family

ID=10854895

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00931183T ATE288169T1 (de) 1999-06-07 2000-05-10 Dynamikregelung für lautsprecher

Country Status (9)

Country Link
US (1) US7006624B1 (de)
EP (1) EP1186155B1 (de)
JP (1) JP2003501958A (de)
CN (1) CN1207884C (de)
AT (1) ATE288169T1 (de)
AU (1) AU4920300A (de)
DE (1) DE60017732T2 (de)
GB (1) GB2350969B (de)
WO (1) WO2000076176A2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19802724A1 (de) * 1998-01-24 1999-07-29 Bosch Gmbh Robert Überwachungseinrichtung für Signal-Echo-Sensoren
FR2856183A1 (fr) * 2003-06-13 2004-12-17 France Telecom Procede et dispositif de traitement d'echo
US7840012B2 (en) * 2003-07-28 2010-11-23 Koninklijke Philips Electronics N.V. Audio conditioning apparatus, method and computer program product
US20050026568A1 (en) * 2003-08-01 2005-02-03 Hawker Larry E. System and method of acoustically safe automatic handsfree volume adjustment
US8019449B2 (en) * 2003-11-03 2011-09-13 At&T Intellectual Property Ii, Lp Systems, methods, and devices for processing audio signals
US7450570B1 (en) 2003-11-03 2008-11-11 At&T Intellectual Property Ii, L.P. System and method of providing a high-quality voice network architecture
US20060034481A1 (en) * 2003-11-03 2006-02-16 Farhad Barzegar Systems, methods, and devices for processing audio signals
US7092513B1 (en) * 2004-07-01 2006-08-15 Plantronics, Inc. Limiting maximum gain in duplex communications devices including telephone sets
EP1858295B1 (de) 2006-05-19 2013-06-26 Nuance Communications, Inc. Entzerrung zur Anwendung von akustischen Signalen
JP4274254B2 (ja) * 2007-02-07 2009-06-03 株式会社デンソー 車載ハンズフリー装置
US20090215439A1 (en) * 2008-02-27 2009-08-27 Palm, Inc. Techniques to manage audio settings
GB2466454B (en) * 2008-12-18 2011-04-13 Motorola Inc Method and system for reducing howling in a half-duplex communication system
GB2477156A (en) * 2010-01-25 2011-07-27 Iml Ltd Reducing feedback between adjacent handsets in a communication system
CN103119641B (zh) * 2010-12-22 2014-12-03 英派尔科技开发有限公司 音频控制系统
JP6426000B2 (ja) * 2011-03-30 2018-11-21 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． モバイルデバイスとベースユニットとの間の距離及び／又は音響品質の判定
US9654609B2 (en) * 2011-12-16 2017-05-16 Qualcomm Incorporated Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in an accessory device
US9232071B2 (en) * 2011-12-16 2016-01-05 Qualcomm Incorporated Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in a mobile device
CN102710839B (zh) * 2012-04-27 2017-11-28 华为技术有限公司 一种提升语音通话效果的方法及通信终端
US20130332156A1 (en) * 2012-06-11 2013-12-12 Apple Inc. Sensor Fusion to Improve Speech/Audio Processing in a Mobile Device
US9712866B2 (en) 2015-04-16 2017-07-18 Comigo Ltd. Cancelling TV audio disturbance by set-top boxes in conferences
US10595122B2 (en) * 2017-06-15 2020-03-17 Htc Corporation Audio processing device, audio processing method, and computer program product
CN107750038B (zh) * 2017-11-09 2020-11-10 广州视源电子科技股份有限公司 音量调节方法、装置、设备及存储介质

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Publication number Priority date Publication date Assignee Title
FR2461412A1 (fr) * 1979-07-06 1981-01-30 Connan Jean Louis Poste telephonique a ecoute amplifiee sur haut-parleur
NL7906957A (nl) * 1979-09-19 1981-03-23 Philips Nv Luidsprekend telefoontoestel, welke voor zacht spreken is voorzien van een handapparaat.
JPS58125948A (ja) 1982-01-21 1983-07-27 Nec Corp 会議電話システム
DE3875650D1 (de) * 1987-05-15 1992-12-10 Standard Elektrik Lorenz Ag Schaltungsanordnung zur sprachsteuerung fuer ein endgeraet der nachrichtentechnik.
DE4130045A1 (de) 1991-09-10 1993-03-18 Standard Elektrik Lorenz Ag Schaltungsanordnung zur dynamiksteuerung eines sprachendgeraetes
US5337353A (en) * 1992-04-01 1994-08-09 At&T Bell Laboratories Capacitive proximity sensors
JP3306600B2 (ja) * 1992-08-05 2002-07-24 三菱電機株式会社 自動音量調整装置
DE4430189A1 (de) * 1994-08-25 1996-02-29 Sel Alcatel Ag Verfahren zur adaptiven Echokompensation
DE4445877A1 (de) 1994-12-22 1996-06-27 Philips Patentverwaltung Verfahren und Anordnung zur Echokompensation
US5835851A (en) 1995-01-19 1998-11-10 Ericsson Inc. Method and apparatus for echo reduction in a hands-free cellular radio using added noise frames
JP3381112B2 (ja) 1995-03-09 2003-02-24 ソニー株式会社 エコー除去装置
EP0771515A2 (de) 1995-04-03 1997-05-07 Koninklijke Philips Electronics N.V. Signalverstärkersystem mit automatischem entzerrer
US5646990A (en) * 1995-09-21 1997-07-08 Rockwell International Corporation Efficient speakerphone anti-howling system
JP3727431B2 (ja) * 1995-12-08 2005-12-14 シャープ株式会社 送話器、それを用いた電話機
CA2249283C (en) 1996-04-03 2003-06-03 British Telecommunications Public Limited Company Acoustic feedback correction
US5796819A (en) * 1996-07-24 1998-08-18 Ericsson Inc. Echo canceller for non-linear circuits
US6301357B1 (en) 1996-12-31 2001-10-09 Ericsson Inc. AC-center clipper for noise and echo suppression in a communications system
JP3597671B2 (ja) 1997-05-16 2004-12-08 三菱電機株式会社 ハンズフリー電話機
US6263078B1 (en) * 1999-01-07 2001-07-17 Signalworks, Inc. Acoustic echo canceller with fast volume control compensation
US6853850B2 (en) * 2000-12-04 2005-02-08 Mobigence, Inc. Automatic speaker volume and microphone gain control in a portable handheld radiotelephone with proximity sensors
FR2827730A1 (fr) * 2001-07-17 2003-01-24 Koninkl Philips Electronics Nv Recepteur, procede, programme et signal de transport pour adapter le volume sonore d'un signal acoustique d'appel entrant

Also Published As

Publication number Publication date
JP2003501958A (ja) 2003-01-14
GB2350969B (en) 2003-11-05
EP1186155B1 (de) 2005-01-26
GB2350969A (en) 2000-12-13
WO2000076176A2 (en) 2000-12-14
CN1207884C (zh) 2005-06-22
AU4920300A (en) 2000-12-28
DE60017732D1 (de) 2005-03-03
WO2000076176A3 (en) 2001-07-05
US7006624B1 (en) 2006-02-28
EP1186155A2 (de) 2002-03-13
GB9913236D0 (en) 1999-08-04
DE60017732T2 (de) 2005-06-23
CN1354949A (zh) 2002-06-19

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties