EP0895702A1 - Am körper eines benutzers lagerbare schallwiedergabevorrichtung - Google Patents
Am körper eines benutzers lagerbare schallwiedergabevorrichtungInfo
- Publication number
- EP0895702A1 EP0895702A1 EP97904409A EP97904409A EP0895702A1 EP 0895702 A1 EP0895702 A1 EP 0895702A1 EP 97904409 A EP97904409 A EP 97904409A EP 97904409 A EP97904409 A EP 97904409A EP 0895702 A1 EP0895702 A1 EP 0895702A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- user
- sound
- holder
- head
- transducer
- 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.)
- Granted
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
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
- H04R5/0335—Earpiece support, e.g. headbands or neckrests
-
- 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
- H04R2205/024—Positioning of loudspeaker enclosures for spatial sound reproduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/13—Hearing devices using bone conduction transducers
Definitions
- Sound reproduction device that can be stored on the body of a user
- the invention relates to a sound reproduction device with at least one sound transducer and a holder carrying the at least one sound transducer for mounting on the body of a user.
- Such a device has hitherto been known as headphones.
- the headphones have two ear cups, in each of which at least one sound transducer is arranged.
- the headphones are mounted on the body of the user in such a way that they are placed on the head, so that each ear shell lies with its open side directly on an ear of the user or surrounds it and thus the acoustic transducer (s) arranged in the ear shell Give signals directly to the ear (- the known headphones should therefore be more appropriately referred to as "earphones"). It is characteristic of the headphones that the left ear receives only the left audio signal and the right ear only the right audio signal of the headphones.
- a multi-channel sound reproduction with a better spatial allocation can be achieved with the aid of a corresponding number of loudspeakers placed discretely in a room; however, such loudspeakers require a higher installation effort and a larger space requirement, the room acoustics having a considerable influence on the reproduction quality, high volumes disturbing the surroundings and, last but not least, high-quality systems are particularly expensive.
- the holder is designed such that it can be stored on a part of the user's body which is different from the head and the at least one sound transducer can be placed adjacent to and at a distance from the user's head , so that the head of the user remains freely movable relative to the holder and thus relative to the at least one transducer.
- the left and right ear can record all the reproduced channels, so that the individual transfer function of a user's head is included in the reproduction.
- the direction of sound can clearly be heard be determined.
- a head rotation is made possible, which, like natural hearing, simplifies the location of a sound source.
- a so-called head-related sound reproduction device is created in that, when the holder is mounted on the body of the user, the sound transducer or transducers themselves do not lie directly on the head, but are arranged at a distance from the head and thus allow the head to rotate, the or do not move the transducers with your head.
- the sound transducer or transducers themselves do not lie directly on the head, but are arranged at a distance from the head and thus allow the head to rotate, the or do not move the transducers with your head.
- the overall transmission function of the head can be additionally utilized by the sound reproduction device according to the invention, while this is not possible with headphones because headphones are not “headphones” but rather “earphones", since their ear cups lie directly on the ear or enclose it and thus the sound transducers in it emit the acoustic signals directly to the ear.
- the sound reproduction device according to the invention due to the arrangement of the sound transducer or transducers at a distance from the ear, there is also a body sound transmission in addition to the acoustically direct radiation to the ear. Above all, however, due to the inclusion of the transfer function of the head of the user, the sound perception appears "more natural" to the listener.
- the invention allows sound reproduction even with a very high volume sensation, without the surroundings and in particular the neighbors being disturbed, because the sound transducers are arranged very close to the ears of the user and therefore relatively low sound pressures on the playback transducer are sufficient to satisfy the user to achieve a high volume impression.
- the holder can preferably be designed in such a way that it can be simply placed on the shoulder of the user and thus fixed.
- the sound reproduction device is suitable because of its advantage of improved spatial reproduction, in particular for multi-channel reproduction, for example in Dolby Surround mode, for which purpose a plurality of sound converters are then to be arranged on the holder.
- a pair of sound transducers should preferably each be arranged on the holder such that it lies in front of and / or behind the frontal plane of a coordinate system related to the head of the user when the holder is mounted on the body, expediently one transducer of a pair is arranged on one side and the other transducer is arranged on the other side of the median plane of the coordinate system related to the head of the user.
- At least one additional sound transducer can be arranged on the holder such that it lies in front of the head of the user when the holder is mounted on the body of the user and preferably between the two sound transducers and in particular in the median plane of the head of the user User-related coordinate system can be placed.
- This additional sound transducer should be provided as a center channel, particularly in the case of a Dolby Surround system.
- At least one additional low-frequency transducer can be arranged on the holder, preferably in such a way that it lies behind the head of the user when the holder is mounted on the body and in particular in the median plane of the coordinate system related to the head of the user. Since a low-requisite signal cannot be assigned a clear direction for psychoacoustic reasons, playback via a low-frequency transducer is sufficient. This measure also reduces the weight of the device.
- the transmission range of the low-frequency sound transducer should expediently be below 200 to 400 Hz.
- the holder can be acoustic lines have, which lead to the two ears of the user when the holder is mounted on the body of the bass transducer and preferably end below these. In this way, the low-frequency sound component generated by the low-frequency sound transducer is directed to both ears.
- a further construction which is particularly expedient in terms of construction is characterized in that the holder consists of a molded body in which the acoustic lines are contained.
- bracket itself should be made of sound-absorbing material, so that it is not stimulated to vibrate itself and thus contributes to sound reproduction in an uncontrolled manner.
- Figure 1 shows a first embodiment of the sound reproduction device in a perspective view.
- FIG. 2 shows the embodiment according to FIG. 1 (mounted on the shoulders of a user) in a top view
- FIG. 3 shows the embodiment according to FIG. 1 (mounted on the shoulders of a user) in a front view
- FIG. 5 shows the embodiment according to FIG. 4 (mounted on the shoulders of a user) in a top view
- FIG. 6 is a front view of the sound reproducing device
- Fig. 8 is a top view of the sound reproducing device.
- the first embodiment of the sound reproduction device shown in FIG. 1 has a frame 2 which consists of a rear part 4 and two curved side parts 5 and 6 adjoining it on both sides, which end in free end sections 7 and 8.
- the frame 2 is thus designed as a shaped body which, in plan view (see FIG. 2), essentially has the shape of an interrupted "O" or a "U” with free ends bent inwards.
- front first and second sound transducers 10 and 1 1, rear third and fourth sound transducers 1 2 and 1 3 and a rear woofer 14 are arranged. Accordingly, the frame 2 serves to hold the sound transducers 10 to 14.
- the sound transducers 10 to 14 form a multi-channel Dolby Surround playback system, the front first and second sound transducers 10 and 11 being the main transducers for reproducing the front right and left information and the rear third and fourth sound transducers 1 2 and 1 3 are provided as rear transducers for reproducing the additional spatial information (surround channel), while the rear woofer transducer 14 reproduces the low-frequency portion.
- two acoustic lines 1 5 and 1 6 are formed in the frame 2, of which one acoustic line 1 5 extends from the rear low-frequency transducer 14 into one side part 5 and there, adjacent to the rear third sound transducer 1 2, in an outlet opening 1 7 arranged on the inside ends and the other acoustic line 16 extends from the rear low-frequency transducer 14 into the other side part 6 and there also ends adjacent to the rear fourth transducer 1 3 in an inward opening 18.
- the sound transducers 10 to 14 are arranged recessed so that edges are avoided which would otherwise cause sound reflections and thus also interference with the sound radiated directly by the sound transducer.
- the first to fourth sound transducers 10 - 1 3 are aligned in such a way that they emit the sound through openings (not shown in more detail) formed on the inside of the frame 2 into the interior space enclosed by the frame 2, the frame 2 preferably at least at those openings however, is covered as a whole by a textile layer (not shown in any more detail), which is, however, not absolutely necessary.
- the Frame 2 itself consists of a highly damping material so that it does not itself contribute to the generation and conduction of sound.
- the rear low-frequency transducer 14 and the associated acoustic lines 1 5 and 1 6 are arranged and designed such that between the outlet openings 1 7 and 1 8 of the acoustic lines 1 5 and 1 6 and the rear exit opening of the low-frequency sound transducer 14 each essentially an acoustic short circuit for the low-frequency sound components results.
- the frame 2 is designed as a shaped body, but other constructions for holding the sound transducers 10 - 14 and forming the acoustic lines 15 and 16 are also conceivable. If desired, acoustic lines 15 and 16 can also be omitted; this naturally also applies in principle to the number and design of the individual sound transducers.
- FIGS. 2 and 3 now show how the embodiment of the sound reproduction device described above is mounted on the body of a user.
- the frame 2 is not only used to arrange the sound transducers 10-14, but also to support this arrangement on the body of a user by using the undersides 5a and 6a of the side parts 5 and 6 (see FIG. 1) on the shoulders 20 of the User rests, while it is supported with the underside 4a of the rear part 4 (see FIG. 1) on the back of the user (not designated).
- the frame 2 is designed and can be placed and fixed on the shoulders 2 and possibly on the back of the user so that the frame 2 is at a short distance from the head 22 of the user and thus the head 22 remains freely movable.
- the frame can also be designed so that it can be stored on another part of the body. It is only important that it can be stored on a different body part of the user's head, so that the head 22 relative to the frame 2 and thus against the sound transducers 10 - 14 and outlet openings 17 and 18 of the acoustic lines 1 5 and 1 6 remains freely movable.
- the frame 2 of the embodiment shown there has the shape of a collar when it rests on the shoulders 20 of the user. Therefore, the described sound reproduction device can also be referred to as an "auditory collar".
- the storage is preferably designed so that the focus of the Storage forms centrally in the contact surface between the shoulders of the user. If necessary, weights 7 and 8 can be accommodated for this purpose (not shown in more detail).
- the sound transducers 10 - 14 and the outlet openings 1 7 and 1 8 of the acoustic lines 1 5 and 16 in the frame 2 are arranged such that when the frame 2 is mounted on the body of the user, the front first and second sound transducers 10 and 1 1 in front of the frontal plane F of a coordinate system related to the head 22 of the user in the area of the chin below the ear level and the rear third and fourth sound transducers 12 and 13 behind the frontal plane F and the outlet openings 17 and 18 of the acoustic lines 15 and 16 somewhat below the ears 24 and 25 are arranged, while the rear bass transducer 14 is behind the head 22, as can be seen in FIGS. 2 and 3.
- the front first and second sound transducers 10 and 1 1 and the rear third and fourth sound transducers 1 2 and 13 are each arranged symmetrically to the median plane M of the coordinate system relating to the head 22 of the user, while the rear woofer 14 in the median plane M lies, as Fig. 2 also shows.
- the described sound reproduction device accordingly forms a head-related, multi-channel reproduction system.
- the sound transducers 10 - 14 are arranged around the head 22, whereby they themselves do not lie directly against the head 22, but are arranged at least at a small distance from the head 22 and thus do not move when the head 22 rotates.
- the head 22 of the user is himself free, which leads to the fact that a spatial reproduction is made possible as with loudspeakers set up in the room. Due to the spatial distance of the transducers from the ears 24 and 25, the transmission function of the user head is included in the sound field and there is also a body sound transmission, so that the perception of the reproduced sound sounds "more natural" to the user.
- FIGS. 4 and 5 show a second embodiment of the sound reproduction device, which differs from the first embodiment according to FIGS. 1 to 3 in that a front sound transducer 30 is also arranged, which is placed on the shoulders 20 of the user Frame 2 lies approximately in the median plane M in the area of the chin of the user.
- a front sound transducer 30 is also arranged, which is placed on the shoulders 20 of the user Frame 2 lies approximately in the median plane M in the area of the chin of the user.
- one end section 7 is provided with an extension 7a compared to the first embodiment and is accordingly extended, or else the device is closed towards the front (O-shaped).
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Stereophonic Arrangements (AREA)
- Stereophonic System (AREA)
- Pens And Brushes (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Electrophonic Musical Instruments (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19616870 | 1996-04-26 | ||
DE19616870A DE19616870A1 (de) | 1996-04-26 | 1996-04-26 | Am Körper eines Benutzers lagerbare Schallwiedergabevorrichtung |
PCT/EP1997/000605 WO1997041709A1 (de) | 1996-04-26 | 1997-02-10 | Am körper eines benutzers lagerbare schallwiedergabevorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0895702A1 true EP0895702A1 (de) | 1999-02-10 |
EP0895702B1 EP0895702B1 (de) | 2000-03-29 |
Family
ID=7792611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97904409A Expired - Lifetime EP0895702B1 (de) | 1996-04-26 | 1997-02-10 | Am körper eines benutzers lagerbare schallwiedergabevorrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US6062337A (de) |
EP (1) | EP0895702B1 (de) |
JP (1) | JP2000509226A (de) |
AT (1) | ATE191308T1 (de) |
AU (1) | AU709695B2 (de) |
DE (2) | DE19616870A1 (de) |
ES (1) | ES2146081T3 (de) |
WO (1) | WO1997041709A1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6234446B1 (en) * | 1997-01-16 | 2001-05-22 | John W. Patterson | Personal audio/video entertainment system |
AU9628498A (en) * | 1997-10-15 | 1999-05-03 | Sennheiser Electronic Gmbh & Co. Kg | Sound-reproducing device mountable on the body of a user |
CA2432832A1 (en) * | 2003-06-16 | 2004-12-16 | James G. Hildebrandt | Headphones for 3d sound |
CN1697564A (zh) * | 2005-05-13 | 2005-11-16 | 陈汝健 | 一种贴身式立体声便携音箱 |
US8111854B2 (en) * | 2006-11-29 | 2012-02-07 | Yan-Ru Peng | Methods and apparatus for sound production |
US7861821B2 (en) * | 2007-11-17 | 2011-01-04 | Connor Robert A | Acoustically transmissive blanket system |
KR20110009678A (ko) | 2008-04-22 | 2011-01-28 | 카르도 시스템즈, 인코퍼레이티드. | 헬멧용 넥패드 통신 시스템 |
KR101218027B1 (ko) * | 2009-08-31 | 2013-01-02 | 최해용 | 서클라인 다채널 스피커 장치 |
US11641551B2 (en) | 2011-12-23 | 2023-05-02 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and compound vibration device thereof |
US11716575B2 (en) | 2011-12-23 | 2023-08-01 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and compound vibration device thereof |
US8761431B1 (en) | 2013-08-15 | 2014-06-24 | Joelise, LLC | Adjustable headphones |
US11706574B2 (en) | 2014-01-06 | 2023-07-18 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11582564B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11617045B2 (en) | 2014-01-06 | 2023-03-28 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11582563B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11832060B2 (en) | 2014-01-06 | 2023-11-28 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11570556B2 (en) | 2014-01-06 | 2023-01-31 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
WO2020220719A1 (zh) | 2019-04-30 | 2020-11-05 | 深圳市韶音科技有限公司 | 一种声学输出装置 |
EP2999237B1 (de) * | 2014-09-18 | 2019-01-16 | Jazz Hipster Corporation | Tragbare Schalldosenvorrichtung |
EP3010252A1 (de) * | 2014-10-16 | 2016-04-20 | Nokia Technologies OY | Halsbandvorrichtung |
JP6598359B2 (ja) * | 2015-09-03 | 2019-10-30 | シャープ株式会社 | ウェアラブルスピーカ装置 |
EP3351012B1 (de) * | 2015-09-17 | 2020-07-15 | Bose Corporation | Akustisches gerät |
US9838787B1 (en) * | 2016-06-06 | 2017-12-05 | Bose Corporation | Acoustic device |
EP3280154B1 (de) * | 2016-08-04 | 2019-10-02 | Harman Becker Automotive Systems GmbH | System und verfahren zum betrieb einer tragbaren lautsprechervorrichtung |
KR101830246B1 (ko) * | 2016-08-09 | 2018-03-29 | 주식회사 이엠텍 | 넥밴드형 무선 음향 변환 장치 |
USD826893S1 (en) * | 2017-02-03 | 2018-08-28 | Onvocal, Inc. | Wearable electronic device accessory |
JP2019220996A (ja) * | 2019-10-02 | 2019-12-26 | シャープ株式会社 | ウェアラブルスピーカ装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3237713A (en) * | 1964-07-16 | 1966-03-01 | Educational Res Associates Inc | Acoustical chamber |
US3900707A (en) * | 1973-06-06 | 1975-08-19 | Hear Muffs | Speaker apparatus |
US4110583A (en) * | 1975-02-03 | 1978-08-29 | Wilhelm Lepper | Earphone construction |
DE3214080C2 (de) * | 1982-04-16 | 1984-02-09 | Institut für Rundfunktechnik GmbH, 8000 München | Vorrichtung zum Wiedergeben stereofoner Signale |
GB9419678D0 (en) * | 1994-09-28 | 1994-11-16 | Marikon Resources Inc | Improvements in and relating to headphones |
-
1996
- 1996-04-26 DE DE19616870A patent/DE19616870A1/de not_active Withdrawn
-
1997
- 1997-02-10 AT AT97904409T patent/ATE191308T1/de not_active IP Right Cessation
- 1997-02-10 JP JP9538481A patent/JP2000509226A/ja active Pending
- 1997-02-10 ES ES97904409T patent/ES2146081T3/es not_active Expired - Lifetime
- 1997-02-10 DE DE59701365T patent/DE59701365D1/de not_active Expired - Fee Related
- 1997-02-10 AU AU17234/97A patent/AU709695B2/en not_active Ceased
- 1997-02-10 US US09/171,727 patent/US6062337A/en not_active Expired - Fee Related
- 1997-02-10 EP EP97904409A patent/EP0895702B1/de not_active Expired - Lifetime
- 1997-02-10 WO PCT/EP1997/000605 patent/WO1997041709A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9741709A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE59701365D1 (de) | 2000-05-04 |
AU709695B2 (en) | 1999-09-02 |
JP2000509226A (ja) | 2000-07-18 |
ES2146081T3 (es) | 2000-07-16 |
EP0895702B1 (de) | 2000-03-29 |
AU1723497A (en) | 1997-11-19 |
WO1997041709A1 (de) | 1997-11-06 |
US6062337A (en) | 2000-05-16 |
DE19616870A1 (de) | 1997-10-30 |
ATE191308T1 (de) | 2000-04-15 |
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