EP2692149B1 - Casque acoustique avec rayonnement acoustique optimisé - Google Patents

Casque acoustique avec rayonnement acoustique optimisé Download PDF

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Publication number
EP2692149B1
EP2692149B1 EP12717224.5A EP12717224A EP2692149B1 EP 2692149 B1 EP2692149 B1 EP 2692149B1 EP 12717224 A EP12717224 A EP 12717224A EP 2692149 B1 EP2692149 B1 EP 2692149B1
Authority
EP
European Patent Office
Prior art keywords
sound
transducer
headphones
guide body
headphone
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
EP12717224.5A
Other languages
German (de)
English (en)
Other versions
EP2692149A1 (fr
Inventor
Michael Willberg
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.)
Ultrasone AG
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Ultrasone AG
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Publication date
Application filed by Ultrasone AG filed Critical Ultrasone AG
Publication of EP2692149A1 publication Critical patent/EP2692149A1/fr
Application granted granted Critical
Publication of EP2692149B1 publication Critical patent/EP2692149B1/fr
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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
    • H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
    • 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
    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1075—Mountings of transducers in earphones or headphones
    • 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure

Definitions

  • the invention relates to a headphone with left and right support elements for a sound transducer.
  • Headphones are known in supra-aural or circum-aural design in which the transducer is disposed in a baffle forming, among other things, its support member within left and right, half-open or closed earphone shells attached to and destined to the ends of a headband Headphone pads on the head of a headphone user either on its ears (supra-aural) or surrounding it (circum-aural).
  • each baffle carries a single sound transducer in its center, so that sound emitted by it is radiated essentially in the direction of the baffle normal.
  • a disadvantage of this classic centric arrangement of the transducer is that it favors the in-head localization of the sound event generated by the headphones.
  • US 2005/0238189 A1 shows a 3-way surround headphones with a woofer, a speaker for a center channel and a speaker for a surround channel, the latter two speakers are each mounted on a baffle horizontally and vertically flattened funnels.
  • a disadvantage of these known headphones with reduced in-head localization is that due to the largely predominantly by reflection on the skull of the headphone user and his outer ears fed into the ear canal sound and mid-tone losses occur individually depending on the head and ear shape of the User are more or less pronounced, which leads not least in practice to the fact that the sound level at the expense of hearing is chosen excessively loud.
  • An object of the present invention is therefore to provide a headphone of the type mentioned, which gently protects an improved out-of-head localization of sound events without significant high and mid-tone losses guaranteed.
  • An optimized suppression of the in-head localization of sound events in favor of an out-of-place localization with predominant sound events perceived by the front through the sound guide according to the invention is achieved in that the sound center of the sound transducer relative to the inlet the ear canal of a headphone user in addition to its tilting about two axes with respect to the support member down and predominantly comes to lie forward.
  • the sound guide body may have different shapes. Particularly preferred is a funnel-shaped and alternatively a tubular sound guide body. When funnel-shaped sound guide body of the transducer sits at the tip end of the funnel, which provides over its opposite, wide open end a large sound outlet opening, which allows to sonicate in addition to the entrance to the ear canal a large part of the outer ear.
  • the tubular sound guide body allows targeted sonication of a smaller ear area and also allows the use of several connected to the support element sound guide bodies by means of several tilted and staggered transducers.
  • each support element including the sound guide body or the sound guide bodies as a one-piece injection molded part, preferably made of plastic.
  • FIG. 1 and 2 Shown supporting element 9 for a sound transducer 11, of which in Fig. 1 and 2 only the back is visible with an electromagnetic drive, forms part of the right earphone shell of a stereo headset.
  • the left earphone shell is mirrored to that in Fig. 1 formed arrangement shown.
  • the support element 9 comprises a flat disc 10, at the circular edge of which an ear cushion (not shown) is arranged, and a hollow sound guide body 13 in the form of a tube with a circular cross section, the longitudinal axis 12 of which extends obliquely or tilted towards the disc 10.
  • the tubular sound guide body 13 opens with one end in an eccentric elliptical breakthrough in the disc 10 and carries at the other end of the transducer 11, which has a general circular disk shape and whose longitudinal center axis is aligned with the longitudinal axis 12 of the sound guide body 13.
  • the center Z of the support element disc 9 is located at the level of entry to the auditory canal of the right ear of the headphone user where conventional sound headphones the sound transducer is positioned. Starting from this central position, the center Z 'of the sound transducer 11 comes about the distance a on the horizontal axis H in Fig. 1 through the center Z to the right according to the viewing direction of the headphone user and to the distance b on the vertical axis V by the center Z offset down.
  • the sound transducer 11 with respect to the support element disc 9 resulting in a corresponding tilting of the tubular sound guide body 13 so tilted about a vertical axis parallel to the vertical axis V and a horizontal axis parallel to the horizontal axis H - which means that the sound transducer (11, 14, 20) assumes a position tilted about a horizontal axis in the viewing direction of a headphone user and a vertical axis intersecting the horizontal axis - that sound generated by it is aimed specifically at the right ear of the headphone user, in Fig. 1 and 2 Case shown on the entrance to the ear canal.
  • the tilting and the displacement of the sound transducer with respect to the center Z of the support element disc 9 may be selected such that a larger part of the outer ear is specifically sonicated.
  • the arrangement of the sound transducer 11 on the support element 9 according to Fig. 1 and 2 as well as the mirror-image configuration of this arrangement on the left ear ensures a significant reduction in the in-head localization of sound events found in conventional stereo headphones in favor of out-of-head localization, especially pre-head localization of sound events.
  • this type of sound for the headphone user produces an extremely clean, finely resolved and spatial sound based on the sound events reproduced by the headphones.
  • FIG. 3 and 4 show a modification of the support member / transducer assembly of Fig. 1 and 2 intended for sonication of the left ear of a headphone user, in addition to the sound transducer 11 'in the position mirror image of the transducer 11 in Fig. 1 and 2 another transducer 14 eccentrically and tilted on the support element disc 10 'of the support member 9' is arranged. Starting from the center of the support element disc 10 'comes the additional transducer 14 predominantly up and forward offset over the transducer 11' to lie.
  • the other transducer 14 is tilted on the support element disc 10' arranged so that the sound transducer 14 in Schallabstrahlraum centrally passing longitudinal center axis 15 as well as the longitudinal center axis 12 'of the transducer 11' in the direction of the entrance to the ear canal of the headphone user has.
  • a single transducer 20 is in a tilt / offset position mirror image of that in Fig. 1 and 2 used, sitting at the pointed end of a funnel-shaped sound guide body 21, and with his wide open end in an oval inner edge 23 of a support element disc 22 of a support member 19 opens. Accordingly, the sound center of the sound transducer 20, in relation to the entrance to the auditory canal of a headphone user, comes down on its left outer ear via a support element disc 22 of the stereo headphone not shown above.
  • the support element disc 22 and the funnel-shaped sound guide 21 form a one-piece injection molded part, preferably a plastic injection molded part, which at the outer edge of the support element disc 22 also includes a rearwardly projecting stabilizing collar 24 with a cable passage opening 25 and a circular arc-shaped flange 26 for connecting a headphone bracket, not shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Headphones And Earphones (AREA)
  • Stereophonic System (AREA)

Claims (5)

  1. Casque acoustique comprenant des éléments support (19) gauche et droit pour un convertisseur acoustique (20), dans lequel la surface de rayonnement acoustique du convertisseur acoustique (20) occupe une position inclinée autour d'un axe horizontal la traversant dans la direction d'observation d'un utilisateur du casque et autour d'un axe vertical la traversant et coupant l'axe horizontal, et dans lequel chaque élément support (19) comprend un corps de guidage acoustique (21) creux qui débouche à une extrémité dans une traversée d'une paroi acoustique (22) en forme de disque reliée à l'élément support respectif, qui est orienté selon un angle par rapport à la paroi acoustique et qui porte le convertisseur acoustique (20) à son autre extrémité, caractérisé en ce que respectivement le corps de guidage acoustique (21) est un entonnoir qui débouche avec sa grande ouverture dans une traversée comportant un bord ovale et au niveau de la petite ouverture duquel est disposé le convertisseur acoustique (20), et en ce qu'un centre du convertisseur acoustique (20) vient se situer de manière décalée, par rapport à l'entrée du conduit auditif d'un utilisateur du casque, le long de l'axe horizontal dans la direction d'observation de l'utilisateur du casque vers l'avant ainsi que le long de l'axe vertical, le décalage le long de l'axe horizontal étant supérieur au décalage le long de l'axe vertical.
  2. Casque acoustique selon la revendication 1, dans lequel le point d'intersection des axes horizontal et vertical se situe au centre acoustique (Z') du convertisseur acoustique (20).
  3. Casque acoustique selon la revendication 1 dans lequel le corps de guidage acoustique (21) est réalisé de manière acoustiquement isolée.
  4. Casque acoustique selon la revendication 1, dans lequel la traversée dans la paroi acoustique (22) en forme de disque est aussi grande qu'elle permet, en plus de la sonorisation de l'entrée du conduit auditif de l'utilisateur du casque, la sonorisation d'une grande partie de son oreille externe.
  5. Casque acoustique selon l'une quelconque des revendications 1 à 4 dans lequel la paroi acoustique (22) en forme de disque et le corps de guidage acoustique (21) forment une pièce moulée par injection d'un seul tenant, de préférence en plastique.
EP12717224.5A 2011-03-29 2012-03-29 Casque acoustique avec rayonnement acoustique optimisé Active EP2692149B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202011004575 2011-03-29
PCT/EP2012/055737 WO2012131006A1 (fr) 2011-03-29 2012-03-29 Casque audio ayant une diffusion sonore optimisée

Publications (2)

Publication Number Publication Date
EP2692149A1 EP2692149A1 (fr) 2014-02-05
EP2692149B1 true EP2692149B1 (fr) 2016-01-13

Family

ID=46017807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12717224.5A Active EP2692149B1 (fr) 2011-03-29 2012-03-29 Casque acoustique avec rayonnement acoustique optimisé

Country Status (6)

Country Link
US (1) US9392354B2 (fr)
EP (1) EP2692149B1 (fr)
JP (1) JP6002750B2 (fr)
KR (1) KR101641758B1 (fr)
CN (1) CN103733643B (fr)
WO (1) WO2012131006A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140314265A1 (en) * 2013-04-17 2014-10-23 Lsi Corporation Headphones with rotatable speaker arranged within housing of earpiece assembly
JP6222760B2 (ja) * 2014-08-22 2017-11-01 Ｎｅｃディスプレイソリューションズ株式会社 画像表示システム、表示制御装置、表示装置、および表示制御方法
JPWO2016092817A1 (ja) * 2014-12-09 2017-09-14 パナソニックＩｐマネジメント株式会社 ヘッドフォン
US9838787B1 (en) * 2016-06-06 2017-12-05 Bose Corporation Acoustic device
USD1003273S1 (en) * 2021-07-16 2023-10-31 Primer Studios, Corporation Headphone set
EP4207804A1 (fr) 2022-01-04 2023-07-05 Harman International Industries, Incorporated Agencement de casque d'écoute
USD1009826S1 (en) * 2022-11-02 2024-01-02 Austrian Audio Gmbh Headphones

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US3592978A (en) * 1969-04-21 1971-07-13 David H Hess Stereo earphones
GB1520319A (en) * 1974-10-31 1978-08-09 Sony Corp Stereo microphone assemblies
JPS57206196A (en) * 1981-06-13 1982-12-17 Shigetaro Fujikawa Stereo headphone
JPH01137691U (fr) * 1988-03-15 1989-09-20
DE4091279A1 (en) 1989-07-25 1992-01-30 Stereo headphones system providing forwards sound projection
US6038330A (en) * 1998-02-20 2000-03-14 Meucci, Jr.; Robert James Virtual sound headset and method for simulating spatial sound
DE10000666A1 (de) 2000-01-11 2001-07-12 Begere Oliver Außenrohrübertragungsfunktionsgemäßer Kopfhörer
KR200190070Y1 (ko) * 2000-02-26 2000-07-15 김성일 다채널헤드폰
US8482488B2 (en) * 2004-12-22 2013-07-09 Oakley, Inc. Data input management system for wearable electronically enabled interface
US20030103637A1 (en) * 2001-12-04 2003-06-05 Jui-Shu Huang Headphone
FR2854537A1 (fr) * 2003-04-29 2004-11-05 Hong Cong Tuyen Pham Casque acoustique pour la restitution spatiale d'un son.
JP4127235B2 (ja) * 2004-04-16 2008-07-30 ソニー株式会社 ヘッドホン装置
US20050238189A1 (en) * 2004-04-23 2005-10-27 Gamma Inc. Headphone device with surround sound effect
JP2005354560A (ja) * 2004-06-14 2005-12-22 Zuisho Ko 多チャンネルの指向を導く構造付きイヤホン
US8111854B2 (en) * 2006-11-29 2012-02-07 Yan-Ru Peng Methods and apparatus for sound production
KR100757462B1 (ko) * 2006-07-14 2007-09-11 삼성전자주식회사 이어폰
IL204811B (en) * 2009-04-20 2018-12-31 Omer Arye A stereophonic headphone system based on transferring the stereophonic sound from the speaker to the user's ear in a unique way
US8515103B2 (en) * 2009-12-29 2013-08-20 Cyber Group USA Inc. 3D stereo earphone with multiple speakers

Also Published As

Publication number Publication date
KR20140077129A (ko) 2014-06-23
EP2692149A1 (fr) 2014-02-05
JP6002750B2 (ja) 2016-10-05
US9392354B2 (en) 2016-07-12
KR101641758B1 (ko) 2016-07-21
WO2012131006A1 (fr) 2012-10-04
JP2014512751A (ja) 2014-05-22
CN103733643A (zh) 2014-04-16
CN103733643B (zh) 2016-11-09
US20140016812A1 (en) 2014-01-16

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