DE69637379D1 - Handapparat mit Geräuschregelung - Google Patents

Handapparat mit Geräuschregelung

Info

Publication number
DE69637379D1
DE69637379D1 DE69637379T DE69637379T DE69637379D1 DE 69637379 D1 DE69637379 D1 DE 69637379D1 DE 69637379 T DE69637379 T DE 69637379T DE 69637379 T DE69637379 T DE 69637379T DE 69637379 D1 DE69637379 D1 DE 69637379D1
Authority
DE
Germany
Prior art keywords
handset
noise control
noise
control
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.)
Expired - Lifetime
Application number
DE69637379T
Other languages
English (en)
Inventor
Kenichi Terai
Hiroyuki Hashimoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69637379D1 publication Critical patent/DE69637379D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Telephone Set Structure (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE69637379T 1995-07-24 1996-07-23 Handapparat mit Geräuschregelung Expired - Lifetime DE69637379D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7187467A JP2843278B2 (ja) 1995-07-24 1995-07-24 騒音制御型送受話器

Publications (1)

Publication Number Publication Date
DE69637379D1 true DE69637379D1 (de) 2008-02-07

Family

ID=16206598

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69637379T Expired - Lifetime DE69637379D1 (de) 1995-07-24 1996-07-23 Handapparat mit Geräuschregelung

Country Status (5)

Country Link
US (1) US6041126A (de)
EP (1) EP0756407B1 (de)
JP (1) JP2843278B2 (de)
CN (1) CN1152830A (de)
DE (1) DE69637379D1 (de)

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US20080165981A1 (en) * 2000-07-25 2008-07-10 Michael Jon Wurtz Active-noise-reduction headsets with front-cavity venting
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US8848936B2 (en) * 2011-06-03 2014-09-30 Cirrus Logic, Inc. Speaker damage prevention in adaptive noise-canceling personal audio devices
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US9142205B2 (en) 2012-04-26 2015-09-22 Cirrus Logic, Inc. Leakage-modeling adaptive noise canceling for earspeakers
US9318090B2 (en) 2012-05-10 2016-04-19 Cirrus Logic, Inc. Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system
US9076427B2 (en) 2012-05-10 2015-07-07 Cirrus Logic, Inc. Error-signal content controlled adaptation of secondary and leakage path models in noise-canceling personal audio devices
US9082387B2 (en) 2012-05-10 2015-07-14 Cirrus Logic, Inc. Noise burst adaptation of secondary path adaptive response in noise-canceling personal audio devices
US9319781B2 (en) 2012-05-10 2016-04-19 Cirrus Logic, Inc. Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC)
US9123321B2 (en) 2012-05-10 2015-09-01 Cirrus Logic, Inc. Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system
US9532139B1 (en) 2012-09-14 2016-12-27 Cirrus Logic, Inc. Dual-microphone frequency amplitude response self-calibration
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Also Published As

Publication number Publication date
EP0756407A3 (de) 2005-11-02
EP0756407B1 (de) 2007-12-26
EP0756407A2 (de) 1997-01-29
CN1152830A (zh) 1997-06-25
JP2843278B2 (ja) 1999-01-06
JPH0936784A (ja) 1997-02-07
US6041126A (en) 2000-03-21

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