Meeting Room
AKUART Functional acoustic design solutions AK UART a re s o u n d ab s o r b i n g p an e l s spe c i f i c a l l y de si g ne d f or e l i mi na t i ng noi se di st ur ba nc es in o ffices, s c h o o l s , h o s p i tal s , r e s t aur a nt s a nd mor e . B y c ombi ni ng t he hi g he st a c oustic funct io na lity w i t h p r i n te d c h an g e ab l e t e xt i l e c ov e r s A K UA RT of f e r s a f unc t i ona l y e t e st he tic desig n solu t i o n t h at c an b e t ai l o r e d to f i t a ny i nt e r i or de si g n. T he desig n o p t i o n s ar e u n l i m i te d as i t i s possi bl e t o c hoose f r om a va r i e t y of vi sua l e x pr e ssi ons a s phot og ra p h y , g r ap h i c s , ar t , t e x tu r es a nd c or por a t e br a ndi ng .
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Introduction A guide to better acoustics in meeting rooms M eet ing ro o m s ar e o n e o f th e m o s t i mpor t a nt r oom t y pe s i n t he mode r n of f i c e spa ce. Ex cha ng e o f s e n s i t i v e i n f o r m at i o n , i mpor t a nt me e t i ng s, c onf e r e nc e c a l l s, pr oj e c t br i e f i ngs et c. a re a ll t y p i c al ac ti v i t i e s t h at t ak e p l a c e i n t he me e t i ng r oom a nd t he r e f or e a hi g h de g r ee o f speech in t e l l i g i b i l i ty an d l i s t e n i n g comf or t i s c r uc i a l f or use r sa t i sf a c t i on. Howev er we o f t e n e x p e r i e n c e t h at t h e a c oust i c a l c ondi t i ons i n t he se t y pe s of r ooms a r e f ar from suit a b l e f o r s u p p o r t i n g t h e s e t ype s of a c t i v i t i e s a nd i n some c a se s a l so c ount e r a c ts wit h t he AV s y s te m s th at ar e e q u i p p e d i n t he ma j or i t y of t he se r oom t ype s. I n t he fo llo w i n g p ag e s w e w i l l e x p l ai n why A K UA RT a c oust i c pa ne l s a r e t a i l or ma de f or o pt imiz ing m e e ti n g r o o m ac o u s ti c s a nd pr e se nt a si mpl e g ui de t o i mpl e me nt t he r i g ht so lut io ns.
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L o c a t i o n: Car ls ber g Gr oup R o o m: L a rge c o nf er enc e r o o m S o l ut i o n: A c o us t ic wall panels De s i gn: Co rp o ra t e b ra nd ing by e-Types
S olu t ion : Wa ll pa nels with a ch an g e ab l e co v e r an d m o ni t o r i nt e gra t i o n Desig n: Abs tr a ct photog r ap h y
Meeting room acoustics An acoustic ceiling is often not enough T he use of e f f e c ti v e ac o u s t i c c e i l i n g s in mode r n of f i c e bui l di ng s i s c ommon. D e spi t e t hi s, w e ex perience t h at m o s t m e e t i n g r o o m s suf f e r f r om a ba d a c oust i c a l e nvi r onme nt . Thi s i s due t o o ne o f t h e f u n d am e n tal e r r o r s , w h e n t r y i ng t o ma ke g ood a c oust i c a l e nvi r onme nt s: ha rd pa ra llel wa l l s th at ar e c l o s e l y s p ac e d . Thi s r e sul t s i n sound t r a v e l l i ng i n t he hor i zont a l pl a ne bet ween t w o h ar d s u r f ac e s c au s i n g f l ut t e r e c ho. B e si de s f l ut t e r e c ho me e t i ng r ooms a l so t end t o a mp l i f y s o m e f r e q u e n c i e s i n t he huma n voi c e , due t o t he na t ur e of me e t i ng r oom s g eomet ry , c au s i n g a r u m b l i n g i n th e l ow f r e que nc y a r e a , l owe r i ng t he spe e c h i nt e l l i g i bi l i t y. T his ma k es i t c r u c i al n o t to u s e t h i n a bsor be r s si nc e t he y pr i ma r i l y wor k i n t he hi gh frequency a r e a. T o i n c r e as e s p e e c h i n t e l l i g i bi l i t y a nd a c oust i c c omf or t i n me e t i ng r ooms, w e recommend c h o o s i n g ac o u s t i c al p an e l s a bsor bi ng f r e que nc i e s i n a br oa d f r e que nc y r a ng e.
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Choosing the correct type of sound absorption Why effective wall panels is a need to have in meeting rooms AK UART ’s a c o u s ti c p an e l s ar e t ai l o r ma de t o se c ur e t he opt i ma l sur r oundi ng s f or spe a ki ng a nd list enin g . To t h e r i g h t ( r e d ar e a) you se e t he f r e que nc y r a ng e of huma n spe e c h. We ha ve desig ned a l l o u r p r o d u c t s t o o p t i m i z e t he a bsor pt i on of r e ve r be r a nt spe e c h e nha nc i ng t h e direct spee c h an d o p t i m i z i n g t h e s p e e c h i nt e l l i g i bi l i t y . F ol l owi ng f e a t ur e s suppor t t hi s: Lo w frequen c y ai r c av i t y F ull ra ng e p o r o u s ab s o r b e r ( 40 m m / 1,57”) Lo w frequen c y t i g h t m e m b r an e ab s o rbe r C hoo sing t h i n n e r ac o u s t i c p an e l s ( l e s s t ha n 40 mm / 1,57”) r e duc e s i t s c l a ss. Thi nne r pa nels a bsorb in th e h i g h f r e q u e n c i e s b u t l e a ve t he mi d a nd l ow f r e que nc i e s una t t e nua t e d, whi ch cha ng es t he h u m an s p e e c h an d h o w i t i s pe r c e i ve d by t he e a r a nd ul t i ma t e l y r e duc e s spe e ch int ellig ibilit y .
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Ful l rang e po ro us abso rber
Ai r cavi ty fo r l o w frequency absorption
L o w fre quency ti g ht membrane absorber
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Perfectly tailored acoustic panels for meeting rooms Different types of panels for different scenarios One of t he b i g g e s t c h al l e n g e s w h e n se c ur i ng opt i ma l a c oust i c c ondi t i ons i n me e t i ng r oom s is t o find t h e n e c e s s ar y w al l s p ac e to pl a c e a c oust i c pa ne l s. Gl a ss sur f a c e s, t v moni t ors , whit e bo a rd s e tc . al l t ak e u p w al l s p a c e . To a ddr e ss t hi s c ha l l e ng e A K UA RT ha s de ve l oped specific so lu t i o n s t h at ac c o m m o d at e di f f e r e nt t ype s of me e t i ng r oom sc e na r i os. Opt ima l a co u s ti c p an e l s f o r m e e ti n g rooms a r e :
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Aco ust ic w al l p an e l s
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Wire su s p e n d e d ac o u s t i c p an e l s f or g l a ss wa l l s
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Aco ust ic w al l p an e l s f o r m o n i t o r i nt e g r a t i on
Acoustic wall panels R e c o mme nde d f or me e t i ng r ooms wi t h r e g ul a r wa l l s
Wire suspended acoustic panels for glass walls R e c o mme nde d f or me e t i ng r ooms wi t h g l a ss wa l l s
Acoustic wall panels for monitor integration R e c o mme nde d f or me e t i ng r ooms wi t h l i mi t e d wa l l spa c e
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Acoustic wall panel Description
Specifications
AKU ART a cou sti c w al l p an e l i s an e ffe cti v e f ul l
P ro d uc t :
fr equency r an g e w al l ab so r b e r th at p r e v ent s
Co re ma t e ri a l : 4 0 mm / 1 . 5 7 ” gl a s s w o o l abs or ber
unwa nted s ou n d fr o m b o u n ci n g o ff th e w a l l s .
T e x t i l e Co ve rs : Cha nge a b l e - p o l ye s t e r mi xt ur e
It is a s flex ibl e as i t i s fu n cti o n al an d stand s
Fra me :
6 0 mm / 2 . 3 6 ” a l umi num pr o f ile
out by its r ep l ace ab l e p r i n te d te xti l e co v e r.
We i ght :
5 ,6 k g p r. m 2 / 1 ,1 5 l b s p e r s q f t
AKU ART a co u sti c w al l p an e l i s av ai l ab l e i n
M o unt i ng:
M o unt e d w i t h w a l l b ra c k e t s
A b s o rp t i o n:
αw = 0.95
Fra me d a c o us t i c p a ne l
8 s ta nda r d si z e s b u t can j u st as e asi l y b e or de r e d in custo m si z e s.
Frame Colors / Finish White RAL 9016 Gloss 30 %
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Black RAL 9005 Gloss 05 %
Grey RAL 7040 Gloss 30 %
Custom colors All colors from RAL chart
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Wire suspended acoustic panels Specifications
Description AKU ART wir e su sp e n d e d aco u sti c p an e l s a re
P ro d uc t :
Wi re s us p e nd e d a c o us t i c panels
cha r a cte r ize d
Co re M a t e ri a l :
4 0 mm / 1 . 5 7 ” gl a s s w o o l abs or ber
by
co m b i n i n g
high
aco us t i c
functiona lity w i th a si m p l e b u t str o n g g r ap hi c
T e x t i l e c o ve rs : Cha nge a b l e - p o l ye s t e r mi xt ur e
de s ign outline . I t i s p o ssi b l e to co n fi g u r e t he
Fra me :
6 0 mm / 2 . 3 6 ” a l umi num pr o f ile
s us pended p an e l s as n e e d e d to fi t an y i n teri o r
We i ght :
5 . 6 k g p r. m 2 / 1 . 1 5 l b s p e r s q f t .
de cor pos s ib l e . Th i s m ake s th e su sp e n d e d
M o unt i ng:
S t e e l w i re s
pa ne ls a na tur al ch o i ce w h e n cr e ati n g aco u s t i c
M a x . w e i ght :
2 5 k g. / 5 5 . 1 2 l b s p e r c o l umn
A b s o rp t i o n:
αw = 0.95
zones in the o p e n w o r k sp ace .
Frame Colors / Finish White RAL 9016 Gloss 30 %
Black RAL 9005 Gloss 05 %
Grey RAL 7040 Gloss 30 %
Custom colors All colors from RAL chart
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Acoustic wall panel for monitor integration Description
Specifications
The a cous tic p an e l fo r m o n i to r i n te g r ati o n i s
P ro d uc t :
a potent a nd fu l l y cu sto m i z ab l e w al l ab so rb e r
Co re ma t e ri a l : 4 0 mm / 1 ,5 7 ” gl a s s w o o l a bs o r ber
tha t a llows fo r e asy m o n i to r i n te g r ati o n thus
T e x t i l e Co ve rs : Cha nge a b l e - p o l ye s t e r mi xt ur e
killing two bi r d s w i th o n e sto n e u si n g t he
Fra me :
6 0 / 2 . 3 6 ” mm a l umi num p rof ile
s a m e wa ll s p ace fo r b o th aco u sti c tr e atm e nt
We i ght :
5 ,6 k g p r. m 2 / 1 ,1 5 l b s p e r s q f t
a nd a udio visu al e q u i p m e n t. Th i s so l u ti o n i s
M o unt i ng:
Di re c t l y mo unt e d o n w a l l
A b s o rp t i o n:
αw = 0.95
Wa l l p a ne l f o r mo ni t o r i nt eg r at io n
pa r ticula r ly tai l o r e d fo r m e e ti n g r o o m s w i t h a ma jor ity o f g l ass w al l s o r m e e ti n g r o o ms with s pa r s e w al l sp ace fo r p l aci n g so u nd a bs or be r s .
Frame Colors / Finish White RAL 9016 Gloss 30 %
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Black RAL 9005 Gloss 05 %
Grey RAL 7040 Gloss 30 %
Custom colors All colors from RAL chart
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How to define the right acoustic solutions An easy guide to better acoustics with AKUART solutions I n t he fo llo w i n g s c e n ar i o s w e w i l l g o t hr oug h t ypi c a l me e t i ng r ooms a nd how t o de f i ne t h e o pt ima l so lu ti o n f o r e ac h s c e n ar i o .
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S o l ut i o n: Wi re s us p e nd e d a c o us t i c p a ne l s for g las s walls De sig n: Gr aphic s
Meeting room scenario 1 Optimal conditions for acoustic treatment T he opti mal way to im p rove sound c omf o r t in meet in g r o o ms is by placin g ef f ect ive aco u stic pane l s on two ad jac ent wall surfac es. By placin g abso r ber s o n adjacen t wall su r f aces, so u nd w av e s re fl ec ting b etween two hard walls ar e at t en u at ed. Th is cr eat es an aco u st ic zo ne, e ncaps ul ating the area of the c onferen ce t able an d it s u ser s in aco u st ic co mf o r t . T ry to cov e r an area eq uivalent to the len gt h o f t h e co n f er en ce t able, wit h t h e cen t er po int of the panels b eeing 120 c m / 47.24� f r o m t h e f lo o r su r f ace. Place an aco u st ic pan el beh ind the moni to r or p lac e a p anel on the oppo sit e wall.
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So l ut i o n: A c o us t i c w a l l p a ne l s & a c o us t i c w a l l p a ne l w i t h mo ni t o r int eg r at io n De s i gn: V is ual I dent it y
S olu t ion : Acous tic wa ll p an e l s D e sig n : Cor por a te br a nd i n g
Meeting room scenario 2 How to place acoustic panels in meeting rooms with one free wall surface I n me e ti ng room s with only a single available wall su r f ace f o r placin g so u n d abso r pt io n, the i de al approac h is to c over a larger ar ea o f t h e wall su r f ace t o o pt imize speech in t elligibility and the aco ustic c om fort. I f pos s i bl e tr e at th e w al l s i n t h e f u l l l e ng t h of se a t e d pe opl e ( t a bl e ) wi t h t he c e nt e r of th e pa nels pla c e d i n s i t ti n g s p e ak i n g h e i g ht ( 120 c m / 4 7 . 2 4 � f r om t he f l oor sur f a c e ) .
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S olu t ion : W ir e s us pended aco u sti c p an e l s i n fr o n t o f g l a s s w a l l s D esig n : Concr ete tex ture s
Meeting room scenario 3 How to place acoustic panels in meeting rooms with glass walls I n me e ti ng room s m ainly c onsisting o f glass walls, it is st ill po ssible t o impr o ve t h e aco u stic condi ti ons b y susp end ing ac oustic p a n els in wir es in f r o n t o f t h e glass su r f aces. If po ssible s us pe nd th e p anels in front of two a djacen t glass walls. Th is will ef f ect ively t ake car e of hori z ontal sound waves swinging alon g an d acr o ss t h e meet in g r o o m. I n thi s s ce n ario it is nec essary to c over a su bst an t ial ar ea o f t h e glass su r f aces t o en su re a g ood aco ustic environm ent.
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Meeting room scenario 4 How to place acoustic panels in meeting rooms with unavailable wall space I f y ou don’ t have the op tion to use aco u st ic pan els f o r glass walls an d t h er e is n o availa ble w al l s pace to p lac e regular wall p anels, it is st ill po ssible t o impr o ve t h e aco u st ic co n ditions, be i ng that m ost m eeting room s have a mo n it o r o ccu pyin g o n e wall su r f ace. By in t egr at ing the A V confe re nc e m onitor with an AKUAR T wall pan el yo u st ill h ave a way t o o pt imize t h e sound e nv i ronme nt signific antly. I n thi s s ce n ario you need to c over a s mu ch o f t h e wall su r f ace as po ssible if t h e su r r o unding s urface s w id ely c onsist of hard m aterials as glass, co n cr et e o r plast er walls.
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S o l ut i o n: A c o us t i c w a l l p a ne l w i t h mo ni t or int eg r at io n De s i gn: Co rp o rat e br anding
Design options Photography, graphics, art, textures & corporate branding Choos e be t ween a variety of d ifferen t expr essio n s o r go wit h yo u r o wn visu al iden t it y. O ur g raphi c de sign team will assist you in t h e pr o cess o f f in din g t h e r igh t co n t en t as well a s s e curi ng the highest p rint q uality p ossible.
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Solution: Acoustic wall panels with changeable print Design: Carlsberg corporate branding by e-Types
De sign: P hotog raphy
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D e si gn : A rt
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De sign: Graphi cs
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D e si gn : T e x ture s
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Acoustic vocabulary Reverberation time I s a m e as u r e i n t i m e o f how l ong a sound i n a r oom e x i st s be f or e i t f a des o u t . T h i s i s m e as u r e d ac r oss di f f e r e nt f r e que nc i e s f r om l ow- t o mi d- a nd hi g h f r e q u e n c i e s . S p e e c h i n t el l i g i bi l i t y i s ne g a t i v e l y a f f e c t e d i f : • •
Th e r e v e r b e r at i o n t i me i s t o l ong : > 0,6 s O n e o f th e f r e q u e n c y a r e a s i s hi g he r r e pr e se nt e d i n T60 t ha n t he ot he r s.
Th e o u tp u t o f t h e h u m an v oi c e a nd t he i nput of t he huma n e a r i s f r e que ncy c o h e r e n t. S o an y al te r ati o n i n t hi s wi l l c a use a r e duc t i on i n spe e c h i nt e l l i g i bi l i ty. Th i s i s th e r e as o n w h y i t i s e sse nt i a l t o use e f f e c t i ve a c oust i c pa ne l s ( mi n 40 m m / 1. 57” ) w h e n tr e ati n g r ooms, whe r e hi g h spe e c h i nt e l l i g i bi l i t y i s c r uc i a l .
Flutter echo I s s o u n d r e f l e c te d b e t w e e n t wo ha r d a nd pa r a l l e l sur f a c e s. Whe n t he sound of a s p e ak i n g p e r s o n h i ts a w a l l , t he sound r e f l e c t s a c e r t a i n t i me l a t e r , a nd c onf l i c ts w i t h th e d i r e c t s o u n d . Th is c r e a t e s a n a c oust i c a l a r t i f a c t , t ha t wi l l di r e c t l y di st o rt t h e c l e ar o r d i r e c t s o u n d a nd t he r e by r e duc e spe e c h i nt e l l i g i bi l i t y .
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AV equipment A V e q u i p m e n t i s th e p a r t i n t he c ommuni c a t i on c ha i n, whe r e a i r bor ne soun d ( an al o g u e ) i s c o n v e r te d i nt o di g i t a l sound ( suppor t e d by vi sua l ba c kup) . A r e d u c t i o n i n s p e e c h i n te l l i g i bi l i t y c a n e i t he r ha ppe n f r om: • •
P o o r l y r e p r e s e n t at ion of t he huma n voi c e f r om e i t he r t he e qui pme nt or b y a m i s c al i b r at i o n , O r b y a d e l ay b e t w e e n t he a udi o or a nd vi de o c ha nne l .
Modes I n al l r o o m s , t h e g e o m e t r y de f i ne s how t he r oom r e a c t s t o di f f e r e nt f r e que nc i es . I n s m al l an d s i m p l e g e ome t r i c a l r ooms suc h a s me e t i ng r ooms, t he se modes ( w h i c h am p l i f y f r e q u e n ci e s) st r ong l y r e l a t e t o t he huma n voi c e . Thi s i s of t en au d i b l e i n th e l o w f r e q u e nc y a r e a s. Thi s unde r l i ne s a g a i n t he i mpor t a nc e of c h o o s i n g e f f e c ti v e ac o u st i c a l pa ne l s, t ha t di f f e r f r om l e sse r c l a sse s i n how well th e y p e r f o r m i n t h e l o w f r e que nc y a r e a s.
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