EP1189480A2 - Combiné pourvu d'un écouteur et d'un microphone - Google Patents

Combiné pourvu d'un écouteur et d'un microphone Download PDF

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Publication number
EP1189480A2
EP1189480A2 EP01122029A EP01122029A EP1189480A2 EP 1189480 A2 EP1189480 A2 EP 1189480A2 EP 01122029 A EP01122029 A EP 01122029A EP 01122029 A EP01122029 A EP 01122029A EP 1189480 A2 EP1189480 A2 EP 1189480A2
Authority
EP
European Patent Office
Prior art keywords
microphone
ambient sound
hearing
bracket
set according
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.)
Withdrawn
Application number
EP01122029A
Other languages
German (de)
English (en)
Other versions
EP1189480A3 (fr
Inventor
Florian Meinhard Konig
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1189480A2 publication Critical patent/EP1189480A2/fr
Publication of EP1189480A3 publication Critical patent/EP1189480A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • H04R1/1083—Reduction of ambient noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
    • H04R2201/107—Monophonic and stereophonic headphones with microphone for two-way hands free communication
    • 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

Definitions

  • the invention relates to a headset with at least one on one Skull-spanning support bracket arranged sound transducer for sound exposure an ear of a user with an audible signal, one articulated on the carrying bracket Microphone bracket, which carries a speech microphone at the far end of the linkage, at least an ambient sound detection microphone, and a signal evaluation circuit for Generation of an ambient sound or noise-free useful signal as a difference from a useful signal and the output signal of the ambient sound recording microphone.
  • Such a headset is in addition to the microphone with a Ambient sound recording microphone provided to a voice signal from Discriminate background noise and thus the intelligibility of the interlocutor at the other end of a communication link to improve or even to enable.
  • the improved speech intelligibility is achieved through targeted Subtraction of the background noise signals from the speech useful signal.
  • This Signal processing of the speech useful signal taking into account a background noise signal does not contribute to the hearing intelligibility of the user of the headset with the background noise at its location or Workplace is exposed unprotected, except for the low sound insulation, which may be the or provide the transducer housing of the headset.
  • the invention has for its object a hearing / speaking set of the beginning to create the type mentioned, in which the user himself in favor of better Audibility is protected from background noise.
  • the headset is in question with at least one additional one Surround sound recording microphone provided, the signal from the hearing useful signal in on is subtracted in a known manner to the user of the headset Protect background noise.
  • This ambient sound recording microphone is preferably used (second ambient sound recording microphone) near the transducer or the ear area of the User.
  • microphones are miniaturized to the extent that this microphone without further ado into the possibly small, on-ear PA system of the headset can be integrated, which the: sound transducer for sound reinforcement of the Contains a user's ear.
  • both the Surround microphone associated with the network microphone such as that of the ear of a
  • these microphones that are associated with user ambient sound recording microphones adjustable, in particular pivotable and in the case of that arranged on the microphone bracket Ambient sound recording microphones slidably arranged along this bracket.
  • the optimal location of the respective microphone is determined on site by trial and error secured by, for example, locking the respective microphone.
  • Means of solvable A large variety of latching of lightweight, small components is known.
  • the headset according to the invention both speech and hearing intelligibility when there is background noise is greatly improved by possibly including the location of the background noise source in the Signal processing is included.
  • the respective subtraction process is preferred through digital signal processing, since corresponding DSP components nowadays are available inexpensively.
  • the headset shown in the figure includes a skull-encompassing Support bracket 10 and a microphone bracket 11.
  • a sound reinforcement housing 12 is provided, preferably articulated, which has at least one sound transducer 13, around the one left ear in the figure To sonicate users with a useful signal.
  • the microphone bracket 11 is articulated on the outside of the sound housing 12.
  • the this joint is designated by the reference numeral 14 and this joint 14 also the exit point for a connecting cable 15, via which the Sound converter 13 is supplied with a useful signal, and also via which a Useful speech signal is derived from a speech microphone 16, which is at the free end of the Microphone bracket 11 is arranged in front of the mouth of a user.
  • the headset shown in the figure is of the type that a Public address housing only at one end of the bracket 10, the other End of a temple support element 17 with a padded interior Skull support side is formed.
  • a first ambient sound recording microphone 18 arranged on the microphone bracket 11.
  • the speech microphone 18 is adjustable on the microphone bracket 11 articulated, namely displaceable in its direction of extension and pivotable about this. This ensures that the ambient sound detection microphone 18 as Function of the location of the user and as a function of Background noise sources can be positioned in an optimal location to a to provide effective compensation signal by the speech microphone useful signal can be subtracted with the greatest effect.
  • a design equivalent to the speech side with regard to ambient sound recording microphones is in relation to the ears of the user or the sound housing 12 met. So there is a second ambient sound recording microphone in the Public address housing 12 arranged and generally designated by the reference numeral 21. On Another second ambient sound recording microphone is in the area of the other end the support bracket provided, namely directly on the temple support element 17. This additional second ambient sound recording microphone is with the reference number 22 designated.
  • the two ambient sound detection microphones 21 and 22 are also adjustable, in particular pivotally attached and thus also allow one optimal detection of background noise, their output signals from a Hearing useful signal are subtracted, which is supplied via the connecting line 15.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Headphones And Earphones (AREA)
EP01122029A 2000-09-14 2001-09-13 Combiné pourvu d'un écouteur et d'un microphone Withdrawn EP1189480A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10045569 2000-09-14
DE2000145569 DE10045569A1 (de) 2000-09-14 2000-09-14 Hör-/Sprechgarnitur

Publications (2)

Publication Number Publication Date
EP1189480A2 true EP1189480A2 (fr) 2002-03-20
EP1189480A3 EP1189480A3 (fr) 2003-11-05

Family

ID=7656244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01122029A Withdrawn EP1189480A3 (fr) 2000-09-14 2001-09-13 Combiné pourvu d'un écouteur et d'un microphone

Country Status (2)

Country Link
EP (1) EP1189480A3 (fr)
DE (1) DE10045569A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2011367A4 (fr) * 2006-03-22 2011-09-07 Bone Tone Comm Ltd Procede et systeme de propagation du son par conduction osseuse
US8983552B2 (en) 2011-09-02 2015-03-17 Gn Netcom A/S Battery powered electronic device comprising a movable part and adapted to be set into shipping mode
US10237654B1 (en) * 2017-02-09 2019-03-19 Hm Electronics, Inc. Spatial low-crosstalk headset

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4771454A (en) * 1987-04-14 1988-09-13 Wilcox Jr Edward R Ruggedized ear protector and communications headset
GB2234881B (en) * 1989-08-03 1993-09-15 Plessey Co Plc Noise reduction system
US5732143A (en) * 1992-10-29 1998-03-24 Andrea Electronics Corp. Noise cancellation apparatus
JPH07303135A (ja) * 1994-05-09 1995-11-14 Nippon Telegr & Teleph Corp <Ntt> 受話装置と送話装置及びこれ等を組合せた騒音制御ヘッドセット

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2011367A4 (fr) * 2006-03-22 2011-09-07 Bone Tone Comm Ltd Procede et systeme de propagation du son par conduction osseuse
CN101536549B (zh) * 2006-03-22 2013-04-24 骨声通信有限公司 用于骨导声音传播的方法和系统
US8983552B2 (en) 2011-09-02 2015-03-17 Gn Netcom A/S Battery powered electronic device comprising a movable part and adapted to be set into shipping mode
US10237654B1 (en) * 2017-02-09 2019-03-19 Hm Electronics, Inc. Spatial low-crosstalk headset
US10735861B2 (en) 2017-02-09 2020-08-04 Hm Electronics, Inc. Spatial low-crosstalk headset
US11102579B2 (en) 2017-02-09 2021-08-24 H.M. Electronics, Inc. Spatial low-crosstalk headset

Also Published As

Publication number Publication date
DE10045569A1 (de) 2002-03-28
EP1189480A3 (fr) 2003-11-05

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