EP2141691B1 - Dispositif adaptatif de production de bruit - Google Patents

Dispositif adaptatif de production de bruit Download PDF

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Publication number
EP2141691B1
EP2141691B1 EP08012021A EP08012021A EP2141691B1 EP 2141691 B1 EP2141691 B1 EP 2141691B1 EP 08012021 A EP08012021 A EP 08012021A EP 08012021 A EP08012021 A EP 08012021A EP 2141691 B1 EP2141691 B1 EP 2141691B1
Authority
EP
European Patent Office
Prior art keywords
generating device
control
actuator
noise generating
adaptive noise
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
EP08012021A
Other languages
German (de)
English (en)
Other versions
EP2141691A1 (fr
Inventor
Udo Borgmann
Hans-Rudolf Germann
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.)
Preform GmbH
Original Assignee
Preform GmbH
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
Priority to AT08012021T priority Critical patent/ATE481704T1/de
Priority to EP08012021A priority patent/EP2141691B1/fr
Priority to PL08012021T priority patent/PL2141691T3/pl
Priority to DK08012021.5T priority patent/DK2141691T3/da
Priority to ES08012021T priority patent/ES2352732T3/es
Priority to SI200830077T priority patent/SI2141691T1/sl
Priority to DE202008017352U priority patent/DE202008017352U1/de
Priority to PT08012021T priority patent/PT2141691E/pt
Application filed by Preform GmbH filed Critical Preform GmbH
Priority to DE502008001335T priority patent/DE502008001335D1/de
Priority to PCT/EP2009/004561 priority patent/WO2010000411A1/fr
Priority to CA2729692A priority patent/CA2729692C/fr
Priority to US13/002,215 priority patent/US8611576B2/en
Publication of EP2141691A1 publication Critical patent/EP2141691A1/fr
Application granted granted Critical
Publication of EP2141691B1 publication Critical patent/EP2141691B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/1752—Masking
    • G10K11/1754—Speech masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/05—Aspects relating to the positioning and way or means of mounting of exciters to resonant bending wave panels

Definitions

  • the present invention relates to an acoustic, adaptive noise generating device which is capable of increasing the concentration ability of humans in acoustically difficult environments.
  • Area loudspeakers are long as such, for example from the DE 484 872 known.
  • a voice coil functioning according to the electrodynamic principle is used, which is placed directly on a surface, initially of any size and thickness and made of a selected material, and mechanically fixed there. If the voice coil is electrically excited by a sound generator, then their vibrations are transmitted to the surface acting as a membrane and thus used themselves as a sound radiating surface.
  • an electroacoustic transducer of this type would be a variety given of uses. However, apart from a few exceptions, it has not been widely accepted until now, and this is due to its electro-acoustic properties, in particular its transfer function.
  • an adaptive noise generation device in the form of a planar loudspeaker, which comprises at least one actuator arranged on a support plate that can be excited by vibrations whose emitted noise signals can be adjusted via at least one control device connected to the actuator.
  • an amplifier for amplifying the signals coming from the control / regulating device is arranged between the control / regulating device and the actuator.
  • control / regulating device comprises at least one manually adjustable switch.
  • a noise preset can be switched on the user request, the amplitude is randomly adjustable.
  • control device comprises a computer in whose memory different noise sound characteristics, which are variable via a predetermined program or freely selectable stored.
  • the computer is preceded by a microphone which records the prevailing acoustic signals and forwards them to the computer.
  • a microphone which records the prevailing acoustic signals and forwards them to the computer.
  • the outgoing noise signal is adjustable according to a predetermined algorithm.
  • the noise signals may be provided from a database.
  • This database can also be arranged externally, so that a large number of adaptive noise generation devices can be supplied with the necessary signal by means of a database.
  • the noise signals are transmitted from the database to the control unit.
  • control unit is controllable via radio or via infrared.
  • the control unit is equipped with a transmitter / receiver.
  • the counterpart from which the control signals emanate may be a remote control or else a database or a computer.
  • the carrier plate is connected to an acoustic insulating material.
  • the acoustic insulation material is selected from mineral wool, gypsum foam, melamine resin foam, PU foam, aluminum foam, hemp wool, nonwovens and / or felting materials.
  • the acoustic insulating material is covered with a fabric which can be excited electronically, so that the bespannstoff lights up, via which an illumination of the fabric is made possible.
  • the lighting of the fabric can be varied over the entire color spectrum.
  • the color of the light is controllable via a central processing unit, so that specific colors can be set separately or a continuous change over the entire color spectrum is possible.
  • the carrier plate according to the invention is designed as a wall plate, base plate, furniture plate, room divider, cabinet plate and / or partition.
  • an adaptive optical noise generating device 1 which consists of an excitable by vibration carrier 2 and a two-dimensionally connected to the support 2 acoustic insulation material.
  • the insulating material 9 has certain acoustic properties, such as sound-absorbing properties, which makes the acoustics in rooms, whereby the reverberation time of a room is reduced by sound absorption.
  • an acoustic actuator 3 is integrated in the middle of the carrier 2, which is integrated.
  • the properties of the sound-emitting carrier 2, its shape, the size of its surface, its thickness and above all its mechanical properties, but also the design of the actuator 3 and its local arrangement on the sound-emitting carrier 2 determine the acoustic properties of the flat-panel loudspeaker 1. Since, for example, completely different materials can be used for the sound-emitting carrier 2, a selection of materials already results Difficulty. Because it depends on whether the flat speaker 1, as in the case of wood materials, especially in the higher frequency range or on the other hand, such as glass, and plastics in the low-frequency range has a large attenuation, in the latter case, high frequency components excessive and thus rattles inclines. Because of this problem, area speakers, although the principles have long been known in a variety of per se possible applications not enforced because other electro-acoustic transducers are known whose frequency response is easier to correct.
  • the actuator 3 is in connection with an audio amplifier 5, which receives its audio signals, such as noise signals, from a control or regulating device 4.
  • This control device may have, for example, a storage medium 10, which may be a CD player, for example.
  • the different noise signals can locally be switched over at the oscillating panel 2, for example via suitable switches 4a, the same sound characteristic always being able to be generated taking into account and correcting the acoustic damping properties of the material 9 applied to the panel 2 or the same subjective for all embodiments Sound perception is perceptible.
  • the amplitude of the acoustic signals via the switch 4a is adjustable.
  • control device 4 is connected, for example via a stationary USB port 8 with a computing unit or a database 6, via which a control of the control unit 4 and / or the amplifier 5 can take place.
  • a control of the control unit 4 and / or the amplifier 5 can take place.
  • an injection of acoustic signals, such as noise signals, which may be stored in the arithmetic unit or the database 6, in the control device 4 is possible.
  • the control device 4 is preferably a microcontroller.
  • Fig. 1 presented the possibility to provide the insulation board with a fabric 11. This can possibly be excited to shine by corresponding lighting sources are available.
  • FIG. 2 Another preferred embodiment of the acoustic adaptive noise generating device 1 is shown.
  • the carrier 2 is provided with an acoustic insulating material 9 and equipped with an acoustic actuator 3.
  • a microphone 7 which detects the ambient volume
  • the microphone 7 is in communication with a rating device 4b, which may be, for example, an electronic analysis unit, such as a computer.
  • the computer unit 4b analyzes the frequency spectrum and / or the volume of the ambient acoustics detected by the microphone 7 and converts the detected information into control signals for the control or regulating device 4.
  • the acoustic signals to be output by the actuator are actively controlled in terms of their frequency spectrum and their volume as a function of the ambient acoustics recorded by the microphone. This is done as already in FIG. 1 nor an amplification of the output from the micro-controller 4 signals via an amplifier 5.
  • a further active control of the micro-controller 4 is possible via an external computer 6, for example, preferably with the micro-controller 4 via a radio network 8 ', 8th
  • the acoustic signals to be generated such as noise signals, can be transmitted by radio from the computer center or database 6.
  • the acoustic signals transmitted by the computer unit 6 can be present in a database stored on the computer unit 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Exhaust Silencers (AREA)
  • Noise Elimination (AREA)
  • Radar Systems Or Details Thereof (AREA)

Claims (11)

  1. Dispositif adaptatif de production de bruit sous la forme d'un baffle plan (1) comprenant :
    - une plaque support excitable par des oscillations (2), avec une première face et une deuxième face opposée à la première,
    - au moins un actionneur (3) disposé sur la première face,
    - un matériau isolant acoustique disposé sur la deuxième face et relié en nappe à la plaque support (2),
    - au moins un dispositif de commande/réglage (4) relié à l'actionneur (3),
    - au moins un amplificateur (5) disposé entre le dispositif de commande/ réglage (4) et l'actionneur (3),
    dans lequel les signaux de bruit à envoyer de l'actionneur (3) peuvent être ajustés au moyen du dispositif de commande/réglage (4) et dans lequel la plaque support (2) est un panneau mural, un panneau de plafond, une dalle de sol, un panneau de meuble, un mur d'allège, un panneau d'armoire et/ou une cloison.
  2. Dispositif adaptatif de production de bruit (1) selon la revendication 1, caractérisé en ce que le dispositif de commande/réglage (4) est réalisé par un microcontrôleur.
  3. Dispositif adaptatif de production de bruit (1) selon la revendication 1, caractérisé en ce que le dispositif de commande (4) comprend au moins un commutateur réglable manuellement (4a) (préréglage du bruit).
  4. Dispositif adaptatif de production de bruit (1) selon la revendication 1, caractérisé en ce que le dispositif de commande (4) comprend un calculateur (4b) dans la mémoire duquel sont stockées différentes caractéristiques de tonalité du bruit qui peuvent être modifiées par le biais d'un programme prédéfini ou de manière librement choisie.
  5. Dispositif adaptatif de production de bruit (1) selon la revendication 1, caractérisé en ce que le dispositif de réglage (4) comprend un calculateur (4b) et un microphone (7) et en ce que le bruit généré peut être adapté selon un algorithme prédéfini en fonction du niveau sonore ambiant.
  6. Dispositif adaptatif de production de bruit (1) selon l'une des revendications 1 à 5, caractérisé en ce que les signaux de bruit sont fournis à partir d'une banque de données (6).
  7. Dispositif adaptatif de production de bruit (1) selon l'une au moins des revendications précédentes, caractérisé en ce que le module de commande/réglage (4) peut être piloté par radio (8, 8").
  8. Dispositif adaptatif de production de bruit (1) selon la revendication précédente, caractérisé en ce que le module de commande/ réglage (4) est regroupé avec une antenne (8') pour émettre et/ou recevoir des signaux de bruit et une antenne (8") pour émettre et/ou recevoir des signaux de bruit avec un module calculateur (4b) et/ou une banque de données (6), respectivement, afin de former des modules fonctionnels, chacun de ces groupes pouvant être commandé par le biais du module calculateur (4b) et/ou de la banque de données (6).
  9. Dispositif adaptatif de production de bruit (1) selon l'une au moins des revendications 1 à 8, caractérisé en ce que le matériau isolant acoustique (9) est choisi parmi la laine minérale, la mousse de plâtre, la mousse de résine mélaminique, la mousse d'aluminium, la mousse de polyuréthane, la laine de chanvre, les nappes de fibres et/ou les isolants de type feutre.
  10. Dispositif adaptatif de production de bruit (1) selon l'une au moins des revendications 1 à 9, caractérisé en ce que le matériau isolant acoustique (9) est doté d'un tissu décoratif (11) et en ce que ledit tissu décoratif peut lui-même être excité pour le rendre luminescent, de façon à pouvoir ajuster la luminescence du tissu décoratif.
  11. Dispositif adaptatif de production de bruit (1) selon la revendication 10, caractérisé en ce que la couleur de la luminescence peut être commandée par un module calculateur central.
EP08012021A 2008-07-03 2008-07-03 Dispositif adaptatif de production de bruit Active EP2141691B1 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
EP08012021A EP2141691B1 (fr) 2008-07-03 2008-07-03 Dispositif adaptatif de production de bruit
DE502008001335T DE502008001335D1 (de) 2008-07-03 2008-07-03 Adaptive Rauscherzeugungsvorrichtung
ES08012021T ES2352732T3 (es) 2008-07-03 2008-07-03 Dispositivo adaptativo generador de ruido.
SI200830077T SI2141691T1 (sl) 2008-07-03 2008-07-03 Adaptivna naprava za generiranje hrupa
DE202008017352U DE202008017352U1 (de) 2008-07-03 2008-07-03 Adaptive Rauscherzeugungsvorrichtung
PT08012021T PT2141691E (pt) 2008-07-03 2008-07-03 Dispositivo de criação de ruído adaptável
AT08012021T ATE481704T1 (de) 2008-07-03 2008-07-03 Adaptive rauscherzeugungsvorrichtung
PL08012021T PL2141691T3 (pl) 2008-07-03 2008-07-03 Adaptacyjne urządzenie do wytwarzania szumów
DK08012021.5T DK2141691T3 (da) 2008-07-03 2008-07-03 Adaptiv støjgenererende indretning
PCT/EP2009/004561 WO2010000411A1 (fr) 2008-07-03 2009-06-24 Dispositif de production de bruit adaptatif
CA2729692A CA2729692C (fr) 2008-07-03 2009-06-24 Dispositif de production de bruit adaptatif
US13/002,215 US8611576B2 (en) 2008-07-03 2009-06-24 Adaptive noise generating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08012021A EP2141691B1 (fr) 2008-07-03 2008-07-03 Dispositif adaptatif de production de bruit

Publications (2)

Publication Number Publication Date
EP2141691A1 EP2141691A1 (fr) 2010-01-06
EP2141691B1 true EP2141691B1 (fr) 2010-09-15

Family

ID=39739544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08012021A Active EP2141691B1 (fr) 2008-07-03 2008-07-03 Dispositif adaptatif de production de bruit

Country Status (11)

Country Link
US (1) US8611576B2 (fr)
EP (1) EP2141691B1 (fr)
AT (1) ATE481704T1 (fr)
CA (1) CA2729692C (fr)
DE (2) DE202008017352U1 (fr)
DK (1) DK2141691T3 (fr)
ES (1) ES2352732T3 (fr)
PL (1) PL2141691T3 (fr)
PT (1) PT2141691E (fr)
SI (1) SI2141691T1 (fr)
WO (1) WO2010000411A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2020251740A1 (en) * 2019-03-29 2021-10-14 Bae Systems Plc Structural damper
CN111683332B (zh) * 2020-06-08 2021-11-09 荣成歌尔电子科技有限公司 光噪测试系统、光噪测试方法及存储介质
AT525365B1 (de) * 2022-05-25 2023-03-15 Cale3D Prime Gmbh Elektroakustischer Wandler
EP4344997A1 (fr) * 2022-09-29 2024-04-03 Airbus Operations GmbH Système d'isolation thermique et acoustique multifonction pour aéronef

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WO1997009842A2 (fr) * 1995-09-02 1997-03-13 New Transducers Limited Dispositif acoustique
JP2005280546A (ja) * 2004-03-30 2005-10-13 Jamco Corp 遮音パネルと遮音パネルを備える旅客機の壁構造

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WO1997009842A2 (fr) * 1995-09-02 1997-03-13 New Transducers Limited Dispositif acoustique
JP2005280546A (ja) * 2004-03-30 2005-10-13 Jamco Corp 遮音パネルと遮音パネルを備える旅客機の壁構造

Also Published As

Publication number Publication date
US20110211721A1 (en) 2011-09-01
WO2010000411A1 (fr) 2010-01-07
SI2141691T1 (sl) 2010-11-30
DK2141691T3 (da) 2011-01-03
PL2141691T3 (pl) 2011-03-31
CA2729692A1 (fr) 2010-01-07
DE202008017352U1 (de) 2009-07-09
CA2729692C (fr) 2016-08-09
US8611576B2 (en) 2013-12-17
ATE481704T1 (de) 2010-10-15
DE502008001335D1 (de) 2010-10-28
EP2141691A1 (fr) 2010-01-06
ES2352732T3 (es) 2011-02-22
PT2141691E (pt) 2010-12-16

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