WO2014207256A3 - Acoustic masking equipment - Google Patents

Acoustic masking equipment Download PDF

Info

Publication number
WO2014207256A3
WO2014207256A3 PCT/EP2014/063821 EP2014063821W WO2014207256A3 WO 2014207256 A3 WO2014207256 A3 WO 2014207256A3 EP 2014063821 W EP2014063821 W EP 2014063821W WO 2014207256 A3 WO2014207256 A3 WO 2014207256A3
Authority
WO
WIPO (PCT)
Prior art keywords
acoustic masking
masking equipment
equipment
acoustic
diffuser
Prior art date
Application number
PCT/EP2014/063821
Other languages
French (fr)
Other versions
WO2014207256A2 (en
Inventor
Frédéric Devinant
Original Assignee
Orfea Acoustique Developpement
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 Orfea Acoustique Developpement filed Critical Orfea Acoustique Developpement
Publication of WO2014207256A2 publication Critical patent/WO2014207256A2/en
Publication of WO2014207256A3 publication Critical patent/WO2014207256A3/en

Links

Classifications

    • 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
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
    • 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
    • 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
    • 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
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/43—Jamming having variable characteristics characterized by the control of the jamming power, signal-to-noise ratio or geographic coverage area
    • 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
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture

Abstract

The invention relates to acoustic masking equipment (10) for a room (18), comprising at least one diffuser (12) of a masking sound (B). The or each diffuser (12) is built into a piece of furniture (14) and is arranged in the upper half of the room (18).
PCT/EP2014/063821 2013-06-28 2014-06-30 Acoustic masking equipment WO2014207256A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1356291 2013-06-28
FR1356291A FR3007881B1 (en) 2013-06-28 2013-06-28 ACOUSTIC MASKING SYSTEM

Publications (2)

Publication Number Publication Date
WO2014207256A2 WO2014207256A2 (en) 2014-12-31
WO2014207256A3 true WO2014207256A3 (en) 2015-03-19

Family

ID=49293668

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/063821 WO2014207256A2 (en) 2013-06-28 2014-06-30 Acoustic masking equipment

Country Status (2)

Country Link
FR (1) FR3007881B1 (en)
WO (1) WO2014207256A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3459075A4 (en) 2016-05-20 2019-08-28 Cambridge Sound Management, Inc. Self-powered loudspeaker for sound masking

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485162A1 (en) * 1980-06-23 1981-12-24 Miller Herman Inc LIGHTING APPARATUS AND ACOUSTICAL GENERATOR COMBINED, IN PARTICULAR FOR OFFICES WITH INTEGRATED MODULAR ARRANGEMENT
US20030219133A1 (en) * 2001-10-24 2003-11-27 Acentech, Inc. Sound masking system
US20080089524A1 (en) * 2006-09-25 2008-04-17 Yamaha Corporation Audio Signal Processing System
DE202007007229U1 (en) * 2007-05-21 2008-10-02 Zumtobel Lighting Gmbh Illumination arrangement, in particular for illuminating a workstation
EP2025193A1 (en) * 2006-05-17 2009-02-18 Francesco Pellisari Acoustic correction device
US20090175484A1 (en) * 2008-01-07 2009-07-09 Stephen Saint Vincent Embedded audio system in distributed acoustic sources

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485162A1 (en) * 1980-06-23 1981-12-24 Miller Herman Inc LIGHTING APPARATUS AND ACOUSTICAL GENERATOR COMBINED, IN PARTICULAR FOR OFFICES WITH INTEGRATED MODULAR ARRANGEMENT
US20030219133A1 (en) * 2001-10-24 2003-11-27 Acentech, Inc. Sound masking system
EP2025193A1 (en) * 2006-05-17 2009-02-18 Francesco Pellisari Acoustic correction device
US20080089524A1 (en) * 2006-09-25 2008-04-17 Yamaha Corporation Audio Signal Processing System
DE202007007229U1 (en) * 2007-05-21 2008-10-02 Zumtobel Lighting Gmbh Illumination arrangement, in particular for illuminating a workstation
US20090175484A1 (en) * 2008-01-07 2009-07-09 Stephen Saint Vincent Embedded audio system in distributed acoustic sources

Also Published As

Publication number Publication date
FR3007881B1 (en) 2016-03-25
FR3007881A1 (en) 2015-01-02
WO2014207256A2 (en) 2014-12-31

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