WO2016135032A1 - Unité microphone - Google Patents

Unité microphone Download PDF

Info

Publication number
WO2016135032A1
WO2016135032A1 PCT/EP2016/053423 EP2016053423W WO2016135032A1 WO 2016135032 A1 WO2016135032 A1 WO 2016135032A1 EP 2016053423 W EP2016053423 W EP 2016053423W WO 2016135032 A1 WO2016135032 A1 WO 2016135032A1
Authority
WO
WIPO (PCT)
Prior art keywords
microphone
unit
adapter unit
funnel
adapter
Prior art date
Application number
PCT/EP2016/053423
Other languages
German (de)
English (en)
Inventor
Jan Peter Kuhtz
David Schunack
Olaf OLAF LESKE
Axel RIETDORF
Original Assignee
Sennheiser Electronic Gmbh & Co. Kg
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 Sennheiser Electronic Gmbh & Co. Kg filed Critical Sennheiser Electronic Gmbh & Co. Kg
Priority to DE112016000942.9T priority Critical patent/DE112016000942A5/de
Publication of WO2016135032A1 publication Critical patent/WO2016135032A1/fr

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
    • 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
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast

Definitions

  • the present invention relates to a microphone unit.
  • a microphone which can be used as a microphone in a headset and in particular as a boom microphone.
  • a headset with a microphone holder or a boom arm and a microphone and a microphone capsule is provided at the end of the boom arm.
  • the microphone or the microphone capsule is in particular designed such that it has a lateral objection, d. H.
  • the directional characteristic of the microphone is in particular designed such that, when the headset is worn, it points in the direction of a user's mouth.
  • German Patent and Trademark Office has the following documents: JP S56-019 987 U, JP 2001-218 290 A, DE 103 17 264 B3, JP S51-904 Y1, DE 486 183 A, JP 201 1-166 414 A, US 2014/0198932 A1, JP 2009-49 947 A.
  • a microphone unit with a microphone holder, a microphone with a microphone capsule, which is arranged at a free end of the microphone holder and a removable first adapter unit for alternative placement over the free end of the microphone holder is provided.
  • the first adapter unit has a funnel for improved detection of one-way signals.
  • the first adapter unit has an opening in an opposite side of the hopper of the adapter unit.
  • the first adapter unit has a first acoustically effective volume to which the funnel is connected and a second acoustically effective volume between the microphone capsule and the opening.
  • a damping unit is provided in the first volume.
  • the free end of the microphone holder has a positioning index, so that a positionally correct position of the adapter unit placed on the free end is ensured.
  • the invention also relates to an adapter unit for a microphone unit.
  • the adapter unit includes a housing having a first end for uncovering a free end of a microphone holder, a one-way hopper, and an acoustically-effective opening opposite the one-way hopper in the housing.
  • the invention also relates to a headset or a microphone with a microphone unit described above.
  • a microphone unit with a microphone capsule and a removable microphone cap or adapter is provided.
  • the cap or adapter has a funnel on a first side and an acoustically effective hole on a second side, the second side being opposite the first.
  • the funnel is used, in particular, to better receive a speech signal from a speaker.
  • the microphone unit has a microphone holder, for example in the form of a boom arm.
  • the boom-arm microphone unit may be used on a headset or in a hand-held or stationary microphone.
  • the first cap or adapter is detachable and has an end that can be placed on a microphone holder with a microphone capsule.
  • the noise can be reduced while the sound level of a speech signal can be increased. Furthermore, the frequency response of the microphone unit is not significantly affected by the cap or the adapter unit. Thus, by increasing the sensitivity, the signal-to-noise ratio can also be increased.
  • an objection to a microphone capsule can be bundled. Further, a renal directivity can be maintained by a back opening.
  • the microphone unit according to the invention with the removable adapter, which has a funnel, is advantageous because an improved objection as well as an improved signal-to-noise ratio are made possible by a simply constructed adapter unit.
  • the adapter unit according to the invention can also be used with already existing headsets with a boom microphone.
  • Fig. 1 shows a schematic representation of a user with a
  • FIG. 2 is a schematic sectional view of a first adapter unit and a microphone holder for a headset according to the first embodiment
  • FIG. 3 shows a schematic sectional view of the first adapter unit and the microphone holder of FIG. 2, FIG.
  • FIG. 5 shows a schematic sectional view of a first adapter unit
  • 6 shows a schematic sectional view of a second adapter unit and a microphone holder according to a second exemplary embodiment
  • Fig. 7 shows a plan view of a second adapter unit according to the invention.
  • Fig. 8 shows a schematic sectional view of the second adapter unit according to the invention.
  • FIG. 1 shows a schematic representation of a user with a headset according to a first embodiment.
  • FIG. 1 shows a user 1 with a headset 10, which has a microphone holder 11 and a microphone 12 with a microphone capsule 12a at a free end of the microphone holder 11.
  • the microphone holder 1 1 can also be referred to as a boom arm.
  • the microphone 12 at the free end of the boom arm is also referred to as a boom microphone.
  • An adapter unit or cap 100 can be placed over the microphone 12.
  • the cap or the adapter unit 100 may be designed to be removable.
  • the bore 14 can be potted or glued after a connection cable is connected to the microphone capsule 12a.
  • a slot or channel may be provided between the portion 13 and the housing 101.
  • Fig. 2 shows a schematic sectional view of a first adapter unit for a headset according to the first embodiment.
  • the microphone holder 1 1 has at its free end a portion 13 with a bore 14.
  • the section 13 serves to receive a microphone capsule 12a.
  • the section 13 and the microphone capsule 12 a are coupled to the microphone holder 1 1.
  • the bore 14 is used in particular for receiving a connection cable for the microphone capsule 12a.
  • the first adapter unit 100 has a housing 101 and an open end 102, which can be placed over the section 13 or placed. Thus, the first end 102 of the adapter unit 100 is open.
  • the adapter unit 100 further includes a second end 103 opposite the first end 102 and closed.
  • the first adapter unit 100 further has an upper or first side 104 with a (one-way) funnel 110.
  • the housing 101 of the adapter unit 100 further has a lower or second side 105 with an opening or a rearward opening 130.
  • the funnel 1 10 has a first end 1 1 1 and a second end 1 12, wherein the diameter of the second end 1 12 is greater than the diameter of the first end 1 1 1.
  • At the first end 1 1 1 of the funnel 1 10th connects an acoustically effective first volume 120 within the housing 101. In this volume 120 may optionally be provided a damping unit 121.
  • the microphone capsule 12a has first holes 12b and an opening 12c.
  • the first holes 12b point in the direction of the acoustically effective first volume 120.
  • the opening 12c of the microphone capsule 12a faces the opening 130.
  • a second acoustically effective volume 160 is provided which cooperates with the opening 130.
  • the funnel 1 10 serves in particular as a Einippotrichter.
  • the hopper 110 optionally has steep walls 100a. These steep walls 100a may cause a large elevation of the high frequencies of the speech signal to be detected. This cant can be partially compensated by the damped first volume 120.
  • the attachment of the funnel 1 10 or of the adapter 100 can take place via a Einopt gazee the microphone capsule. However, it may happen that the orientation of the funnel towards the capsule is susceptible to interference.
  • the section 13 has a positioning index (here embodied as a surface), which ensures a positionally correct position of the housing 101. If a housing without a positioning index is used, the orientation may be incorrect.
  • a positioning index here embodied as a surface
  • the gap between the funnel housing and the capsule receptacle can be tuned to optimize Popp s.
  • FIG. 3 shows a further schematic sectional view of the first adapter unit and the microphone holder of FIG. 2.
  • FIG. 3 shows the housing 101 of the first adapter unit 100 with the first and second sides 104, 105 and the opening 130. Further, the area 13 and the microphone capsule 12a with the holes 12b and the opening 12c are shown. Between the microphone capsule 12a and the opening 13, the second volume 160 is provided.
  • FIG. 4 shows a frequency response of a microphone unit with and without funnel.
  • FIG. 4 shows a frequency response 200 of a microphone unit without a funnel and a frequency response 300 of a microphone unit with a funnel 110.
  • d. H. with the adapter unit according to the invention, a significant increase can be seen. For example, at 1000 Hz, a gain of about 7 dB is available.
  • Fig. 5 shows a schematic sectional view of the first adapter unit according to the first embodiment.
  • the adapter unit 100 has a housing 101 with an open end 102.
  • the adapter unit 100 has a second closed end 103.
  • the adapter unit 100 furthermore has a first side 104 with an input speech funnel 110 and a second side 104 with an opening 130.
  • the hopper 1 10 has a first end 1 1 1 with a first diameter and a second end 1 12 having a second diameter.
  • the diameter of the second end 1 12 is greater than the diameter of the first end 1 1 1.
  • At the first end 1 1 1 of the funnel 1 10 is followed by an acoustically effective first volume 120 within the housing.
  • FIG. 6 shows a schematic sectional view of a second adapter unit and a microphone holder according to a second exemplary embodiment.
  • the microphone holder 1 1 has at its free end a portion 13 with a bore 14.
  • the section 13 serves to receive a microphone capsule 12a.
  • the section 13 and the microphone capsule 12 a are coupled to the microphone holder 1 1.
  • the bore 14 serves to receive the connection cable of the microphone capsule 12a.
  • a second adapter unit 200 is provided, which essentially corresponds to the first adapter unit 100, but has no funnel.
  • the second adapter unit 200 has a housing 201, an open end 202, a closed end 203, a lower side 205 with an opening 230.
  • the second adapter unit 200 may be placed over the transducer 12 a and the portion 13.
  • FIG. 7 shows a plan view of the first adapter unit 200
  • FIG. 8 shows a cross section of the second adapter unit 200
  • the adapter unit 200 has a housing 201 with an open end 202 and a closed end 203 on. In the housing 201, an opening 21 1 and on the opposite side, an opening 230 is provided.
  • the second adapter unit 200 or the first adapter unit 100 can be pushed over the microphone capsule 12a. This allows the user to choose which of the adapter units to use and place over the microphone holder.
  • the first adapter unit 100 is particularly useful in a noisy environment. Otherwise, the second adapter unit 200 may be used.

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

L'invention concerne une unité microphone comprenant une tige porte-microphone (11), un microphone (12) pourvu d'une capsule de microphone (12a), qui est disposée à une extrémité libre (13) de la tige porte-microphone (11), et un ensemble adaptateur amovible (100) à placer au-dessus de l'extrémité libre (13) de la tige porte-microphone (11). L'ensemble adaptateur (100) comporte un entonnoir (110) destiné à améliorer l'acquisition de signaux de parole.
PCT/EP2016/053423 2015-02-27 2016-02-18 Unité microphone WO2016135032A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112016000942.9T DE112016000942A5 (de) 2015-02-27 2016-02-18 Mikrofoneinheit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015203542.5 2015-02-27
DE102015203542.5A DE102015203542A1 (de) 2015-02-27 2015-02-27 Mikrofoneinheit

Publications (1)

Publication Number Publication Date
WO2016135032A1 true WO2016135032A1 (fr) 2016-09-01

Family

ID=55361507

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/053423 WO2016135032A1 (fr) 2015-02-27 2016-02-18 Unité microphone

Country Status (2)

Country Link
DE (2) DE102015203542A1 (fr)
WO (1) WO2016135032A1 (fr)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE486183C (de) 1926-10-25 1929-11-14 Douglas Stuart Spens Steuart Kopfhoerer mit einem biegsamen Band
DE959376C (de) * 1952-06-13 1957-03-07 Int Standard Electric Corp Kohlemikrophon mit Schalltrichter
DE7006215U (de) * 1969-02-21 1970-07-30 Akg Akustische Kino Geraete Mundstueck fuer mikrophone.
DE2138750A1 (de) * 1971-08-03 1973-02-15 Sennheiser Electronic Modultechnik fuer ein mikrofon
JPS51904Y1 (fr) 1970-05-07 1976-01-12
JPS5619987U (fr) 1979-07-23 1981-02-21
DE3044138A1 (de) * 1979-11-29 1981-09-10 AKG Akustische u. Kino-Geräte GmbH, Wien Schalleinlass fuer mikrophone
JP2001218290A (ja) 1999-12-28 2001-08-10 Deutsche Thomson Brandt Gmbh 差動音圧マイクロフォン
DE10317264B3 (de) 2003-04-14 2005-02-10 Sennheiser Electronic Gmbh & Co. Kg Mikrofon
JP2009049947A (ja) 2007-08-23 2009-03-05 Sharp Corp バイノーラル録音兼ノイズキャンセルヘッドフォン
JP2011166414A (ja) 2010-02-09 2011-08-25 Toa Corp マイクロホン用カバーおよびこれを備えたマイクロホン
US20140198932A1 (en) 2013-01-11 2014-07-17 Red Tail Hawk Corporation Microphone Environmental Protection Device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE486183C (de) 1926-10-25 1929-11-14 Douglas Stuart Spens Steuart Kopfhoerer mit einem biegsamen Band
DE959376C (de) * 1952-06-13 1957-03-07 Int Standard Electric Corp Kohlemikrophon mit Schalltrichter
DE7006215U (de) * 1969-02-21 1970-07-30 Akg Akustische Kino Geraete Mundstueck fuer mikrophone.
JPS51904Y1 (fr) 1970-05-07 1976-01-12
DE2138750A1 (de) * 1971-08-03 1973-02-15 Sennheiser Electronic Modultechnik fuer ein mikrofon
JPS5619987U (fr) 1979-07-23 1981-02-21
DE3044138A1 (de) * 1979-11-29 1981-09-10 AKG Akustische u. Kino-Geräte GmbH, Wien Schalleinlass fuer mikrophone
JP2001218290A (ja) 1999-12-28 2001-08-10 Deutsche Thomson Brandt Gmbh 差動音圧マイクロフォン
DE10317264B3 (de) 2003-04-14 2005-02-10 Sennheiser Electronic Gmbh & Co. Kg Mikrofon
JP2009049947A (ja) 2007-08-23 2009-03-05 Sharp Corp バイノーラル録音兼ノイズキャンセルヘッドフォン
JP2011166414A (ja) 2010-02-09 2011-08-25 Toa Corp マイクロホン用カバーおよびこれを備えたマイクロホン
US20140198932A1 (en) 2013-01-11 2014-07-17 Red Tail Hawk Corporation Microphone Environmental Protection Device

Also Published As

Publication number Publication date
DE112016000942A5 (de) 2017-11-23
DE102015203542A1 (de) 2016-09-01

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