Sound Masking 101 - Cambridge Sound Management

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Next Generation Sound Masking cambridgesound.com

What is Sound Masking?

Sound Masking is a Critical Component of Acoustic Design When designing an optimal acoustic environment, architects consider a variety of elements to address noise control and speech privacy. Elements added either Absorb, Block, or Cover sound, and are collectively called the ABC's of acoustic design.

A

Absorb: Acoustic wall panels, carpet, and ceiling tiles help absorb excess sound

B

%ORFN Solid barriers, partitions, and walls help block excess sound

C

&RYHU Sound Masking helps cover up excess sound

All of the ABC's of acoustic design can be used together or individually to achieve the desired acoustic environment, but absorbing and blocking materials are costly and underused. Sound Masking, on the other hand, is a low-cost option for creating acoustical environments that both reduce noise distractions and increase speech privacy. cambridgesound.com | info@cambridgesound.com | 800.219.8199 | 2

Why Do You Need Sound Masking? Open Floor Plans are the New Normal Most workplaces today feature more open spaces and smaller, and often shared, workstations. Less sound absorptive materials are being used such as lower or non-existent partitions, hard or glass surfaces, and thinner walls and doors. This creates acoustical challenges that negatively impact workplace satisfaction, productivity, and speech privacy.

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Noise distractions are driving your employees FUD]\ WKDWĹ?V ZK\ WKH\ DUH wearing headphones)

The constant interruptions are making your employees less productive and costing you money

Sensitive data is being communicated and overheard in your work environment and you are legally bound to protect it

Sound Masking Increases Worker Satisfaction $SSUR[LPDWHO\ RIĆ“FH ZRUNHUV LQ SULYDWH RIĆ“FHV VKDUHG RIĆ“FHV FXELFOHV DQG RSHQ RIĆ“FHV ZHUH DVNHG WR UDWH WKHLU VDWLVIDFWLRQ ZLWK WKHLU QRLVH DQG VSHHFK SULYDF\ OHYHOV 7KRVH ZLWK SULYDWH RIĆ“FHV ZHUH WKH RQO\ RQHV VDWLVĆ“HG ZLWK their speech privacy, and even they only rated them a .55 out of 3 on average.

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1

MORE SATISFIED

2

Speech Privacy

0.94 0.55

0.50

0

-1

-2

LESS SATISFIED

Average Satisfaction Score

Noise Level

-0.54

-0.31

-1.57

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-0.04

-0.42

High Partition Cubicle

-1.27 -1.51

Low Partition Cubicle

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2IĆ“FH 7\SHV Source: U.S. General Services Administration Study

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Why Do You Need Sound Masking? Lack of Speech Privacy is the Number One Concern of Employees :KDWĹ?V VSHHFK SULYDF\" 6LPSO\ SXW LWĹ?V WKH LQDELOLW\ RI DQ XQLQWHQGHG OLVWHQHU WR XQGHUVWDQG RXWVLGH FRQYHUVDWLRQV 6R VRPHRQH ZLWK D ODFN RI VSHHFK SULYDF\ LV RYHUKHDULQJ ORWV RI FRQYHUVDWLRQV WKH\ VKRXOGQĹ?W EH DQG LV DOVR FRQFHUQHG that their conversation is being overheard by others. The chart below says it all. The Center for the Built Environment in Berkeley, California surveyed more than 25,000 workers in more than 2,000 buildings to determine what the key environmental issues were for workers. Of all of the factors workers encountered in their environment speech privacy was far and away the factor they were the most GLVVDWLVĆ“HG ZLWK

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60

3HUFHQWDJH 'LVVDWLVĆ“HG

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50

Enclosed shared 40

Cubicles with high partitions Cubicles with low partitions

30

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Building maintenance

Workspace cleanliness

Building cleanliness

Colors and textures

Adjustability of furniture

Comfort of furnishings

Ease of interaction

Visual privacy

Amount of space

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Noise level

Visual comfort

Amount of light

Air Quality

Temperature

Workspace overall

0

Source: Analysis of data from the Center for the Built Environment by Jungsoo Kim and Richard de Dear, University of Sydney

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Why Do You Need Sound Masking? Distractions Make Your Employees Less Productive Employees are interrupted once every 11 minutes according to research from UC Irvine, and it takes them up to 23 PLQXWHV WR JHW EDFN LQWR WKH Ĺ´RZ RI ZKDW WKH\ ZHUH GRLQJ EHIRUH WKH\ ZHUH LQWHUUXSWHG

These Distractions Cost Money In a recent study presented to the International Congress of Noise as a Public Health Problem, researchers found that on average employees wasted 21.5 minutes per day due to conversational distractions, making lack of speech SULYDF\ WKH QXPEHU RQH FDXVH RI UHGXFHG SURGXFWLYLW\ $Q DGGLWLRQDO 6WHHOFDVH ,SVRV VWXG\ IRXQG WKDW employees lost as much as 86 minutes per day due to noise distractions. Even using conservative estimates, this loss of productivity adds up to big monetary losses for companies. 21.5 PLQXWHV GDLO\ LV URXJKO\ RI DQ DYHUDJH HPSOR\HHĹ?V ZRUN GD\ EDVHG RQ DQ KRXU GD\ 6RPH TXLFN PDWK VKRZV that a company with 100 employees and an average employee salary cost of $50,000 is losing $200,000 a year in lost productivity. Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ? Ĺ?

100

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avg salary cost

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6RXQG 0DVNLQJ +HOSV <RXU (PSOR\HHV &RQFHQWUDWH DQG :RUN 0RUH (IĆ“FLHQWO\ Researchers examined the effect of speech privacy on task performance in an RSHQ RIĆ“FH HQYLURQPHQW ZLWKRXW 6RXQG Masking and with Sound Masking. 3DUWLFLSDQWV LQ RIĆ“FHV ZLWK 6RXQG 0DVNLQJ had better short-term memory recall than those without it.

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Why Do You Need Sound Masking? 6RXQG 0DVNLQJ 3URWHFWV &RQĆ“GHQWLDOLW\ DQG 5HGXFHV /LDELOLW\ &ORVLQJ WKH GRRU WR DQ RIĆ“FH QR ORQJHU JXDUDQWHHV VSHHFK SULYDF\ LQ IDFW LWĹ?V SUREDEO\ ZRUVH EHFDXVH FORVLQJ that door provides the illusion of privacy. Many private conversations could be HR nightmares if overheard by the wrong people. 3URYLGLQJ VSHHFK SULYDF\ LV RIWHQ HQFRXUDJHG RU RXWULJKW PDQGDWHG E\ WKH OHJDO DQG UHJXODWRU\ HQYLURQPHQW

H PAA

GLBA

HIPAA – Mandates that all employers (not just hospitals) “take reasonable safeguards to protect the privacy of protected health information.�

GLBA – In many ways, the Gramm–Leach–Bliley Act */%$ LV WKH +,3$$ HTXLYDOHQW IRU WKH Ć“QDQFH LQGXVWU\ */%$ UHTXLUHV Ć“QDQFLDO LQVWLWXWLRQV WR SURWHFW WKHLU FOLHQWĹ?V QRQ SXEOLF Ć“QDQFLDO LQIRUPDWLRQ

LEED – Ensuring proper speech privacy and sound LVRODWLRQ LV D FRPSRQHQW RI /((' FHUWLƓFDWLRQ /((' LV D set of rating systems for the design, construction, operation, and maintenance of green buildings, homes and neighborhoods. Many U.S. federal agencies and VWDWH DQG ORFDO JRYHUQPHQWV UHTXLUH EXLOGLQJV WR DWWDLQ /((' FHUWLƓFDWLRQ

HCAHPS

Hospital Consumer Assessment of Healthcare Providers and Systems

FERPA

HCAHPS – In the healthcare industry, the Hospital Consumer Assessment of Healthcare Providers and Systems Survey (HCAHPS) provides scores to hospitals EDVHG RQ D YDULHW\ RI FULWHULD LQFOXGLQJ Ĺ?TXLHWQHVV RI patient environment.â€? Hospitals with low HCAHPS scores risk loss of government funding and damaged reputation.

FERPA – In the education industry, the Family Educational Rights and Privacy Act (FERPA) mandates that colleges and universities take all reasonable efforts to safeguard student information including how the information is collected and disseminated.

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%XVLQHVV 2ZQHUV Protect speech privacy and increase productivity by reducing noise distractions

)DFLOLW\ 0DQDJHUV Help increase worker satisfaction and reduce operating costs

3URSHUW\ 0DQDJHUV Increase the value of your space

+5 0DQDJHUV DQG 3ULYDF\ DQG &RPSOLDQFH 0DQDJHUV Comply with the speech privacy UHTXLUHPHQWV RI +,3$$ and GLBA regulations

+HDOWKFDUH $GPLQLVWUDWRUV Increase HCAHPS scores and HIPAA compliance

(PSOR\HHV A more comfortable work environment with fewer distractions

$UFKLWHFWV Improve the acoustical environment RI QHZ RU UHWURƓWWHG VSDFHV

*HQHUDO &RQVXOWDQWV Create a collaborative work environment ZLWKRXW VDFULƓFLQJ DFRXVWLFV

Contractors Improve speech privacy and lessen the level of distraction without adding further absorptive and blocking materials

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Where Should Sound Masking Be Used?

Corporate

Healthcare

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Hospitals

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Private Clinics

Conference Rooms

Pharmacies

Technology Engineering Labs

Financial Services $

Retail Banks

Co-share Spaces

Call Centers

Huddle Rooms

Board Rooms

Education

Government & Law

Libraries

Secured Facilities

Research Labs

Courtrooms

Testing Centers

/DZ 2IƓFHV

Hospitality

Venues

Hotel Rooms

Airport Lounges

Reception Areas

Houses of Worship

Spas

Conference Centers

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How Does Sound Masking Work? Adding Sound Makes Speech Less Intelligible $GGLQJ VRXQG WR D VSDFH DFWXDOO\ PDNHV WKH VSDFH VHHP TXLHWHU ,W VRXQGV FRXQWHU LQWXLWLYH EXW LW V WUXH 7KLV LV because the added sound reduces the intelligibility of human speech. When you can't understand what someone is saying, their words are less distracting — in fact, you probably don't even notice them. Here's an example of Sound Masking in everyday life. Have you ever had a conversation with someone while you DUH ZDVKLQJ GLVKHV DQG WKH\ DUH RQ WKH RWKHU VLGH RI WKH NLWFKHQ" :KHQ WKH ZDWHU LVQĹ?W UXQQLQJ \RX FDQ KHDU WKH RWKHU SHUVRQĹ?V ZRUGV SHUIHFWO\ :KHQ \RX WXUQ WKH ZDWHU RQ LW EHFRPHV PXFK KDUGHU WR KHDU WKHP DQG XQGHUVWDQG ZKDW WKH\ DUH VD\LQJ 7KH SHUVRQ LVQĹ?W VSHDNLQJ PRUH VRIWO\ EXW WKH\ VRXQG DV LI WKH\ DUH 7KLV LV EHFDXVH WKH QRLVH RI the running water is “maskingâ€? the sound of the person speaking to you.

Sound Masking mimics this phenomenon on a much more sophisticated and effective scale. By adding ambient VRXQG WR DQ HQYLURQPHQW VXFK DV SURIHVVLRQDOO\ HQJLQHHUHG VRXQGV WKDW VRXQG VLPLODU WR ZDWHU Ĺ´RZLQJ RU DLUĹ´RZ \RX KHOS PDVN WKH RWKHU QRLVHV LQ WKH HQYLURQPHQW PDNLQJ WKHP OHVV GLVWUDFWLQJ 6RXQG 0DVNLQJ GRHVQĹ?W HOLPLQDWH all noises in an environment; it simply reduces the area where human speech is intelligible and distracting. We call this area the radius of distraction.

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Once masking is added, it becomes more challenging to understand conversations from across the room, and thus makes it less likely that conversations will distract you.

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The QtPro™ Sound Masking System A Cost-effective Solution to the Noise Problem The patented QtPro system is a cost-effective solution to protecting speech privacy and reducing distractions. It consists of three simple components; HPLWWHUV (i.e. loudspeakers), FRQWURO PRGXOHV, and FDEOHV that connect the emitters to the control modules. The QtŽ control modules come in three different sizes depending on the size of the space they cover.

QtÂŽ Emitters Qt Emitters are the backbone of the Qt Quiet Technology Sound Masking System. Qt emitters DUH ZLGH GLVSHUVLRQ GLUHFW Ć“HOG VSHDNHUV ZLWK Ĺ? (3.17 cm) drivers and are smaller than a coffee mug. These emitters deliver four uncorrelated audio channels, which provide uniform, unobtrusive Sound 0DVNLQJ 7KLV IHDWXUH DORQJ ZLWK HDV\ FRQĆ“JXUDWLRQ capability, makes QtPro the most intelligently engineered and most effective Sound Masking system available.

Control Modules

Actual size

Qt Emitters are powered and controlled by intuitive Qt Control rol Modules. The modules come in three different sizes depending ing on the size of the space being masked. A single Qt 600 for example can connect to up to 720 emitters — covering up to VTXDUH IHHW (6,690 m2) of space.

QtPro

™

Modules can be walll or rack mounted and are made in the USA. SA.

Cables Qt Emitters connect to control modules via pre-terminated, pre-test, plenum-rated category cables.

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The QtProâ„¢ Sound Masking System Simple Layout, Zoning, and Installation 7KH 4W3UR V\VWHP LV GHVLJQHG WR PHHW WKH XQLTXH DFRXVWLF UHTXLUHPHQWV RI D VSDFH ZKHWKHU ODUJH RU VPDOO 4W HPLWWHUV DUH HDVLO\ LQVWDOOHG E\ FHUWLÆ“HG PDVNLQJ SURIHVVLRQDOV LQ D VLPSOH JULG SDWWHUQ GHWHUPLQHG E\ FHLOLQJ KHLJKW 'XULQJ WKH OD\RXW DQG GHVLJQ SKDVH WKH VSDFH LV GLYLGHG LQWR ]RQHV EDVHG RQ DFRXVWLF UHTXLUHPHQWV RI WKH VSDFH =RQHV FDQ UDQJH IURP VTXDUH IHHW P2 WR VTXDUH IHHW P2). In the example below, the RIÆ“FH VSDFH LV VHSDUDWHG LQWR VL[ ]RQHV DOORZLQJ IRU GLIIHUHQW YROXPH OHYHOV IRU HDFK XQLTXH VSDFH

=RQH 2SHQ 2IÆ“FH $UHD Zone 2: Conference Room Zone 3: Kitchen =RQH 3ULYDWH 2IÆ“FH Zone 5: Lab =RQH /REE\ 0XVLF 3DJLQJ

The versatile Qt Emitters are capable of being mounted in any ceiling type.

Universal Bracket

Beam Bracket

Conduit Mount

Drywall Mount

Plenum Back Can

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The QtPro™ Sound Masking System ,QGLUHFW YV 'LUHFW ƓHOG 6RXQG 0DVNLQJ ,QGLUHFW 6RXQG 0DVNLQJ Before QtPro, Sound Masking was done using “in-plenum” or “indirect” systems. Large paint can-like speakers were installed above the ceiling tiles. The speakers pointed upwards, towards the ceiling deck. The masking noise emitted hit the deck and then reverberated back down through the ceiling material indirectly into the workplace below. Indirect Sound Masking systems are still manufactured today. The sound emitted from these systems can be unpredictable and creates “hot” and “cold” spots. Additionally, installing and tuning these systems is invasive, time-consuming, and rarely done correctly. Traditional Plenum Loudspeakers

Optimal Sound Masking Level

Suboptimal Sound Masking Levels

7KH 'LUHFW ƓHOG 'LIIHUHQFH QtPro uniformly disperses a pre-tuned Sound Masking signal directly into the workspace. The result is a consistent VRXQG WKURXJKRXW WKH VSDFH WKDW LV HDVLO\ DFKLHYDEOH ZLWKRXW WKH FRPSOH[ WXQLQJ UHTXLUHG E\ LQGLUHFW V\VWHPV Qt® Emitters

Optimal Sound Masking Level

No Sound Masking Required

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The QtProâ„¢ Sound Masking System Advantages of QtPro Sound Masking Systems QtPro is the most effective, least expensive, and fastest to install Sound Masking system 3RZHUHG E\ SDWHQWHG GLUHFW Æ“HOG 4XLHW 7HFKQRORJ\ GHYHORSHG WR UHGXFH DFRXVWLF LQWHUIHUHQFH Patented four channel distribution ensures uniform spatial coverage and eliminates the need for complicated design and tuning Offers a completely scalable solution that's suitable for any size space Modules can be networked for easy control and system integration Delivers uniform Sound Masking by projecting sound from not through the ceiling Reduces the need for expensive construction or sound blocking materials The only Sound Masking system that can be installed in existing space and in hard ceilings 'HSOR\HG LQ KXQGUHGV RI PLOOLRQV RI VTXDUH IHHW DQG WUXVWHG E\ RYHU RI WKH )RUWXQH *UHHQ6SHF OLVWHG DQG WKH PRVW HQHUJ\ HIÆ“FLHQW 6RXQG 0DVNLQJ V\VWHP DYDLODEOH FRQVXPLQJ OHVV WKDQ ZDWWV RI SRZHU SHU VTXDUH IHHW P2) of space +HOSV FRQWULEXWH WR /((' &HUWLÆ“FDWLRQV

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The QtProâ„¢ Sound Masking System How Do I Get QtPro? 'HVLJQ TXRWDWLRQ DQG LQVWDOODWLRQ RI 4W3UR LV KDQGOHG E\ &DPEULGJH 6RXQG 0DQDJHPHQW VWDII DQG RXU LQWHUQDWLRQDO QHWZRUN RI FHUWLÆ“HG 6RXQG 0DVNLQJ SURIHVVLRQDOV &HUWLÆ“HG 6RXQG 0DVNLQJ SURIHVVLRQDOV LQFOXGH VHUYLFH SURYLGHUV \RXU EXVLQHVV PD\ KDYH DOUHDG\ XVHG EHIRUH VXFK DV

Data, voice, and video cablers

Low-voltage cablers

Audiovisual integrators

Security integrators

Telecom integrators

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Acoustical consultants

Architects and designers

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The QtPro™ Sound Masking System Praise for QtPro

“

“

The employees were being distracted by conversations 60 IHHW DZD\ :KHQ WKH V\VWHPĹ?V on, speech becomes unintelligible at a distance of about 20 feet.

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Steve Shanks, Manager of Audio, Video, Surveillance and Security Denbury Resources, Inc.

“

“

Alison Brisson, Plant Operations Manager Wentworth Douglas Hospital

Libraries are supposed to be TXLHW EXW ZKLVSHUV FRXOG EH heard 40 feet away. With the help of Cambridge Sound Management, we now have a OLEUDU\ WKDW VHHPV TXLHWHU DQG LV still beautiful. We are delighted. Bob Jarvis, Buildings and Grounds Manager Williams College

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The Bank of America National Helpline site in Boston houses over 200 associates. Even with all that talking, our work environment is private and productive, thanks to Sound Masking from Cambridge Sound Management. Their solution is straightforward DQG HIIHFWLYH , ZRXOGQĹ?W RSHQ D call center without it. Edward Klemm, Vice President Bank of America National Helpline

:LWK &60Ĺ?V 4W LQ SODFH WKHUH LV OHVV distraction from unwanted sounds and conversations. Patients and staff can now experience the positive ambiance we wanted to achieve through the open design concept, and we gained a greater level of patient satisfaction.

Utilizing Sound Masking from Cambridge Sound Management keeps the cross talk EHWZHHQ WKH RIĆ“FHV DQG FRUULGRUV GRZQ VR \RX GRQĹ?W KHDU LQWHU RIĆ“FH FRQYHUVDWLRQV , highly recommend Sound Masking as a VROXWLRQ IRU RSHQ FRQFHSW RIĆ“FH VSDFHV Charles Rechtsteiner, Regional Facilities Manager Autodesk

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We installed QtPro in one of our branches years ago to cut down on overheard cross-talk and also to prevent conversations in private RIĆ“FHV IURP EHLQJ KHDUG LQ WKH RSHQ RIĆ“FH DUHD :HĹ?YH EHHQ VR LPSUHVVHG ZLWK WKH UHVXOWV that QtPro is now installed every time we UHQRYDWH RU UHORFDWH D EUDQFK ,WĹ?V QRZ LQ PRVW of our locations.

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Ron Rivet, Network Operations Section Manager Amica Mutual Insurance Company

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Learn how Sound Masking can benefit your facility, workforce, and customers by reducing noise distractions, protecting speech privacy, and increasing workplace productivity. Visit cambridgesound.com or call 800.219.8199 and request a quote today.

Š2015 Cambridge Sound Management, Inc. All rights reserved. Qt and QtPro are trademarks of Cambridge Sound Management, Inc.

Next Generation Sound Masking cambridgesound.com

Sales Enquiries 1800 00 77 80 www.madisontech.com.au

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