Specifications

7
For lar
g
as des
c
particul
of thes
e
feedba
c
Comb
i
g
er center cl
c
ribed abov
e
arly useful
g
e
arrays co
m
c
k on lower
i
nation Sp
A
majority
o
associated
w
control, an
d
frequency
a
system to p
The preferr
e
other buildi
n
Clusters m
u
of coverag
e
usters arra
y
e
(see Figur
e
g
iven their e
x
m
bine to inc
r
performanc
e
eech & M
u
o
f sound rei
n
w
ith a succ
e
d
good intelli
g
a
nd provide
s
rovide sour
c
e
d configur
a
n
g constrain
u
st provide
g
e
and impro
v
Figure
3
cluster i
n
y
s C - F ma
y
e
3), vertica
l
x
cellent ver
t
r
ease LF po
w
e
areas.
u
sic Syste
m
n
forcement
p
e
ssful spee
c
g
ibility) nee
d
s
greater im
p
c
e localizati
o
a
tion of thes
e
ts or prefer
e
g
ood directi
v
v
ed system
g
3
: Array G
(
n
a fan-sh
a
y
be conside
l
arrays of r
o
t
ical directivi
w
er and dir
e
m
s
p
rojects fall
i
c
h system (e
d
to be com
b
p
act. These
s
o
n to the sta
e
systems i
s
e
nces may
d
v
ity to lower
f
g
ain before
f
(
p. 24) use
d
a
ped room
r
ed. For thr
e
o
tated enclo
s
ty characte
r
e
ctivity, grea
i
nto this cat
e
venness of
c
b
ined with a
s
ystems be
n
ge and soli
d
s
often an e
x
d
ictate other
w
f
requencies
f
eedback.
d
as an ex
p
e
e- and four
-
s
ures, arra
y
r
istics. The
s
tly improvin
g
e
gory. Here,
c
overage, c
o
system tha
t
n
efit from a
s
d
low-freque
x
ploded arra
w
ise (see Fi
in order to
p
p
loded
-
cluster sys
t
y
s G, H, and
s
tacked LF
d
g
gain befo
r
all the ele
m
o
nsistent p
a
t
goes lowe
r
s
trong pros
c
ncy support
ngement, al
gures 4 & 5
)
p
rovide eve
n
t
ems
I are
d
rivers
r
e
m
ents
a
ttern
r
in
c
enium
.
though
)
.
n
ness