EP2546830A3 - Procédé et dispositif de masquage actif du son - Google Patents
Procédé et dispositif de masquage actif du son Download PDFInfo
- Publication number
- EP2546830A3 EP2546830A3 EP12174570.7A EP12174570A EP2546830A3 EP 2546830 A3 EP2546830 A3 EP 2546830A3 EP 12174570 A EP12174570 A EP 12174570A EP 2546830 A3 EP2546830 A3 EP 2546830A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- sound
- room
- masking
- suppression
- proposed
- 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- Withdrawn
Links
- 230000000873 masking effect Effects 0.000 title abstract 4
- 230000001629 suppression Effects 0.000 abstract 3
- 239000006096 absorbing agent Substances 0.000 abstract 2
- 239000006260 foam Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/8209—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only sound absorbing devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/14—Load-carrying floor structures formed substantially of prefabricated units with beams or girders laid in two directions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
-
- 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
-
- 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
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17857—Geometric disposition, e.g. placement of microphones
-
- 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
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
-
- 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
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/45—Jamming having variable characteristics characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/84—Jamming or countermeasure characterized by its function related to preventing electromagnetic interference in petrol station, hospital, plane or cinema
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/006—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with means for hanging lighting fixtures or other appliances to the framework of the ceiling
-
- 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
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/12—Rooms, e.g. ANC inside a room, office, concert hall or automobile cabin
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3046—Multiple acoustic inputs, multiple acoustic outputs
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/321—Physical
- G10K2210/3219—Geometry of the configuration
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/321—Physical
- G10K2210/3224—Passive absorbers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K2203/00—Jamming of communication; Countermeasures
- H04K2203/10—Jamming or countermeasure used for a particular application
- H04K2203/12—Jamming or countermeasure used for a particular application for acoustic communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K2203/00—Jamming of communication; Countermeasures
- H04K2203/30—Jamming or countermeasure characterized by the infrastructure components
- H04K2203/34—Jamming or countermeasure characterized by the infrastructure components involving multiple cooperating jammers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
- H04R2227/001—Adaptation of signal processing in PA systems in dependence of presence of noise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Architecture (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Public Health (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011051727A DE102011051727A1 (de) | 2011-07-11 | 2011-07-11 | Verfahren und Vorrichtung zur aktiven Schallmaskierung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2546830A2 EP2546830A2 (fr) | 2013-01-16 |
EP2546830A3 true EP2546830A3 (fr) | 2017-12-06 |
Family
ID=46851275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12174570.7A Withdrawn EP2546830A3 (fr) | 2011-07-11 | 2012-07-02 | Procédé et dispositif de masquage actif du son |
Country Status (3)
Country | Link |
---|---|
US (1) | US20130016847A1 (fr) |
EP (1) | EP2546830A3 (fr) |
DE (1) | DE102011051727A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110751936A (zh) * | 2019-10-14 | 2020-02-04 | 深圳市维业装饰集团股份有限公司 | 智能降噪吊顶 |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9294839B2 (en) | 2013-03-01 | 2016-03-22 | Clearone, Inc. | Augmentation of a beamforming microphone array with non-beamforming microphones |
DE102013007481B4 (de) * | 2013-04-29 | 2014-12-04 | DELUXE MCB UG (haftungsbeschränkt) | Vorrichtung zur Schallreduzierung in Gasträumen |
DE202013104545U1 (de) * | 2013-10-08 | 2013-11-14 | Sonus Gmbh | Einrichtung zur aktiven und/oder passiven Beeinflussung der Raumakustik |
USD917079S1 (en) | 2013-11-15 | 2021-04-20 | 3Form, Llc | Thin baffle |
USD916348S1 (en) | 2013-11-15 | 2021-04-13 | 3Form, Llc | Light-weight lighting fixture |
USD915632S1 (en) | 2013-11-15 | 2021-04-06 | 3Form, Llc | Baffle with reduced height |
USD959030S1 (en) | 2013-11-15 | 2022-07-26 | 3Form, Llc | Baffle with slit end |
US10889987B2 (en) | 2017-05-19 | 2021-01-12 | 3Form, Llc | Felt baffle with snap ends |
USD915631S1 (en) | 2014-11-14 | 2021-04-06 | 3Form, Llc | Baffle with closed ends |
US20160196832A1 (en) * | 2015-01-06 | 2016-07-07 | Gulfstream Aerospace Corporation | System enabling a person to speak privately in a confined space |
WO2016172446A1 (fr) | 2015-04-24 | 2016-10-27 | Rensselaer Polytechnic Institute | Masquage sonore dans des espaces décloisonnés à l'aide de sons naturels |
US9554207B2 (en) | 2015-04-30 | 2017-01-24 | Shure Acquisition Holdings, Inc. | Offset cartridge microphones |
US9565493B2 (en) | 2015-04-30 | 2017-02-07 | Shure Acquisition Holdings, Inc. | Array microphone system and method of assembling the same |
USD915634S1 (en) | 2015-05-28 | 2021-04-06 | 3Form, Llc | Tall baffle |
EP3185240A1 (fr) * | 2015-12-22 | 2017-06-28 | Helmut-Schmidt-Universität | Système et procédé permettant de réduire activement le bruit passant à travers une ouverture dans une barrière sonore |
US10354638B2 (en) | 2016-03-01 | 2019-07-16 | Guardian Glass, LLC | Acoustic wall assembly having active noise-disruptive properties, and/or method of making and/or using the same |
WO2017201269A1 (fr) | 2016-05-20 | 2017-11-23 | Cambridge Sound Management, Inc. | Haut-parleur auto-alimenté pour masquage sonore |
DE102016007391A1 (de) * | 2016-06-17 | 2017-12-21 | Oaswiss AG (i. G.) | Antischallanordnung |
US10367948B2 (en) | 2017-01-13 | 2019-07-30 | Shure Acquisition Holdings, Inc. | Post-mixing acoustic echo cancellation systems and methods |
US10726855B2 (en) * | 2017-03-15 | 2020-07-28 | Guardian Glass, Llc. | Speech privacy system and/or associated method |
US10304473B2 (en) | 2017-03-15 | 2019-05-28 | Guardian Glass, LLC | Speech privacy system and/or associated method |
US10373626B2 (en) | 2017-03-15 | 2019-08-06 | Guardian Glass, LLC | Speech privacy system and/or associated method |
RU2683193C1 (ru) * | 2018-05-18 | 2019-03-26 | Никита Сергеевич Медвехкв | Звукорассеивающая конструкция, оснащенная источником света |
WO2019231632A1 (fr) | 2018-06-01 | 2019-12-05 | Shure Acquisition Holdings, Inc. | Réseau de microphones à formation de motifs |
US11297423B2 (en) | 2018-06-15 | 2022-04-05 | Shure Acquisition Holdings, Inc. | Endfire linear array microphone |
WO2020061353A1 (fr) | 2018-09-20 | 2020-03-26 | Shure Acquisition Holdings, Inc. | Forme de lobe réglable pour microphones en réseau |
WO2020191380A1 (fr) | 2019-03-21 | 2020-09-24 | Shure Acquisition Holdings,Inc. | Focalisation automatique, focalisation automatique à l'intérieur de régions, et focalisation automatique de lobes de microphone ayant fait l'objet d'une formation de faisceau à fonctionnalité d'inhibition |
CN113841419A (zh) | 2019-03-21 | 2021-12-24 | 舒尔获得控股公司 | 天花板阵列麦克风的外壳及相关联设计特征 |
US11558693B2 (en) | 2019-03-21 | 2023-01-17 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality |
TW202101422A (zh) | 2019-05-23 | 2021-01-01 | 美商舒爾獲得控股公司 | 可操縱揚聲器陣列、系統及其方法 |
EP3977449A1 (fr) | 2019-05-31 | 2022-04-06 | Shure Acquisition Holdings, Inc. | Automélangeur à faible latence, à détection d'activité vocale et de bruit intégrée |
JP2022545113A (ja) | 2019-08-23 | 2022-10-25 | シュアー アクイジッション ホールディングス インコーポレイテッド | 指向性が改善された一次元アレイマイクロホン |
US11552611B2 (en) | 2020-02-07 | 2023-01-10 | Shure Acquisition Holdings, Inc. | System and method for automatic adjustment of reference gain |
USD944776S1 (en) | 2020-05-05 | 2022-03-01 | Shure Acquisition Holdings, Inc. | Audio device |
US11706562B2 (en) | 2020-05-29 | 2023-07-18 | Shure Acquisition Holdings, Inc. | Transducer steering and configuration systems and methods using a local positioning system |
CN116918351A (zh) | 2021-01-28 | 2023-10-20 | 舒尔获得控股公司 | 混合音频波束成形系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4052720A (en) * | 1976-03-16 | 1977-10-04 | Mcgregor Howard Norman | Dynamic sound controller and method therefor |
US4330691A (en) * | 1980-01-31 | 1982-05-18 | The Futures Group, Inc. | Integral ceiling tile-loudspeaker system |
EP1249828A2 (fr) * | 2001-04-11 | 2002-10-16 | Siemens Aktiengesellschaft | Dispositif pour adjuster l'acoustique d'une chambre |
US20050226434A1 (en) * | 2004-04-01 | 2005-10-13 | Franz John P | Noise reduction systems and methods |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0944168A (ja) * | 1995-08-03 | 1997-02-14 | Taisei Denki Kogyo:Kk | 複数階建築物における床衝撃音消音装置 |
DE19722436B4 (de) * | 1997-05-28 | 2007-11-15 | Siemens Ag | Rechnergesteuerte Alarmeinrichtung |
DE10051658C1 (de) * | 2000-10-18 | 2002-02-21 | Fraunhofer Ges Forschung | Schalldämmende Glaswand und -kabine |
DE10063796B4 (de) * | 2000-12-21 | 2005-06-09 | Daimlerchrysler Ag | Verfahren zur Sprechererkennung für Sicherheitssysteme in Kombination mit Spracherkennung |
US7272234B2 (en) | 2002-04-04 | 2007-09-18 | Brigham Young University | Multi-channel active control system and method for the reduction of tonal noise from an axial fan |
US20050211500A1 (en) * | 2004-03-26 | 2005-09-29 | Wendt Alan C | Fibrous faced ceiling panel |
US8186262B2 (en) * | 2006-05-01 | 2012-05-29 | The University of Maryland at Baltimore County | Methods and structures for sandwich panels with improved resistance to ballistic penetration |
DE102006051567A1 (de) | 2006-11-02 | 2008-05-08 | Illbruck Acoustic Gmbh | Ein dekoratives Wandelement bildender Akustikabsorber |
US8855329B2 (en) * | 2007-01-22 | 2014-10-07 | Silentium Ltd. | Quiet fan incorporating active noise control (ANC) |
JP4245060B2 (ja) * | 2007-03-22 | 2009-03-25 | ヤマハ株式会社 | サウンドマスキングシステム、マスキングサウンド生成方法およびプログラム |
FR2918636B1 (fr) * | 2007-07-10 | 2009-10-23 | Eads Europ Aeronautic Defence | Avion a confort acoustique ameliore |
DE202007016382U1 (de) | 2007-11-22 | 2009-04-02 | Pinta Acoustic Gmbh | Decken-Absorberelement |
DE102008035181A1 (de) * | 2008-06-26 | 2009-12-31 | Zumtobel Lighting Gmbh | Verfahren und System zur Reduzierung akustischer Störungen |
JP5266917B2 (ja) * | 2008-07-09 | 2013-08-21 | 国立大学法人九州工業大学 | アクティブ消音装置 |
JP2010023534A (ja) * | 2008-07-15 | 2010-02-04 | Panasonic Corp | 騒音低減装置 |
DE202008008896U1 (de) | 2008-10-27 | 2010-03-18 | Pinta Acoustic Gmbh | Schaumstoffteil sowie hängend befestigter Schallabsorber |
US8154588B2 (en) * | 2009-01-14 | 2012-04-10 | Alan Alexander Burns | Participant audio enhancement system |
DE102009007891A1 (de) * | 2009-02-07 | 2010-08-12 | Willsingh Wilson | Resonanz-Schallabsorber in mehrschichtiger Ausführung |
DE202009013052U1 (de) | 2009-10-08 | 2011-02-24 | Pinta Acoustic Gmbh | Schallabsorber und Zusatz-Rahmenteil für einen Schallabsorber |
-
2011
- 2011-07-11 DE DE102011051727A patent/DE102011051727A1/de not_active Withdrawn
-
2012
- 2012-07-02 EP EP12174570.7A patent/EP2546830A3/fr not_active Withdrawn
- 2012-07-10 US US13/545,142 patent/US20130016847A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4052720A (en) * | 1976-03-16 | 1977-10-04 | Mcgregor Howard Norman | Dynamic sound controller and method therefor |
US4330691A (en) * | 1980-01-31 | 1982-05-18 | The Futures Group, Inc. | Integral ceiling tile-loudspeaker system |
EP1249828A2 (fr) * | 2001-04-11 | 2002-10-16 | Siemens Aktiengesellschaft | Dispositif pour adjuster l'acoustique d'une chambre |
US20050226434A1 (en) * | 2004-04-01 | 2005-10-13 | Franz John P | Noise reduction systems and methods |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110751936A (zh) * | 2019-10-14 | 2020-02-04 | 深圳市维业装饰集团股份有限公司 | 智能降噪吊顶 |
CN110751936B (zh) * | 2019-10-14 | 2020-09-08 | 深圳市维业装饰集团股份有限公司 | 智能降噪吊顶 |
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DE102011051727A1 (de) | 2013-01-17 |
US20130016847A1 (en) | 2013-01-17 |
EP2546830A2 (fr) | 2013-01-16 |
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