<s>
The	O
Shure	B-Algorithm
SM57	I-Algorithm
is	O
a	O
low-impedance	O
cardioid	O
dynamic	O
microphone	O
made	O
by	O
Shure	O
Incorporated	O
and	O
commonly	O
used	O
in	O
live	O
sound	O
reinforcement	O
and	O
studio	O
recording	O
.	O
</s>
<s>
The	O
origin	O
of	O
SM57	B-Algorithm
may	O
be	O
traced	O
to	O
1937	O
,	O
when	O
Shure	O
engineer	O
Benjamin	O
Bauer	O
developed	O
the	O
first	O
single-element	O
directional	O
microphone	O
,	O
the	O
Unidyne	B-Algorithm
,	O
which	O
had	O
a	O
cardioid	O
pickup	O
pattern	O
.	O
</s>
<s>
In	O
1959	O
,	O
another	O
Shure	O
engineer	O
,	O
Ernie	O
Seeler	O
,	O
advanced	O
the	O
art	O
of	O
microphone	O
design	O
significantly	O
with	O
the	O
Unidyne	B-Algorithm
III	O
.	O
</s>
<s>
Seeler	O
torture-tested	O
the	O
Unidyne	B-Algorithm
III	O
during	O
three	O
years	O
of	O
research	O
and	O
development	O
and	O
thereby	O
,	O
produced	O
the	O
SM	O
series	O
of	O
rugged	O
and	O
reliable	O
Shure	O
microphone	O
capsules	O
.	O
</s>
<s>
The	O
"	O
SM	O
"	O
stands	O
for	O
Studio	O
Microphone	O
;	O
Seeler	O
was	O
an	O
aficionado	O
of	O
classical	O
music	O
and	O
expected	O
the	O
SM57	B-Algorithm
to	O
be	O
used	O
for	O
orchestras	O
.	O
</s>
<s>
The	O
SM57	B-Algorithm
uses	O
the	O
same	O
capsule	O
as	O
the	O
popular	O
SM58	B-Algorithm
.	O
</s>
<s>
Like	O
the	O
SM58	B-Algorithm
,	O
the	O
SM57	B-Algorithm
is	O
fitted	O
with	O
an	O
XLR	B-Device
connector	I-Device
and	O
is	O
impedance	B-Protocol
balanced	I-Protocol
,	O
which	O
helps	O
to	O
minimize	O
electrical	O
hum	O
and	O
noise	O
pickup	O
when	O
connected	O
to	O
a	O
balanced	B-Protocol
input	I-Protocol
.	O
</s>
<s>
Compared	O
to	O
the	O
SM58	B-Algorithm
,	O
the	O
SM57	B-Algorithm
's	O
grille	O
allows	O
for	O
closer	O
placement	O
to	O
the	O
source	O
of	O
sound	O
,	O
while	O
the	O
SM58	B-Algorithm
provides	O
a	O
pop	O
filter	O
to	O
reduce	O
plosives	O
(	O
"	O
pop	O
"	O
sounds	O
)	O
and	O
wind	O
.	O
</s>
<s>
According	O
to	O
Shure	O
,	O
the	O
SM57	B-Algorithm
frequency	O
response	O
extends	O
from	O
40Hertz	O
(	O
Hz	O
)	O
to	O
15kHz	O
.	O
</s>
<s>
The	O
Shure	O
A2WS	O
is	O
an	O
accessory	O
windscreen	O
for	O
the	O
SM57	B-Algorithm
that	O
attenuates	O
wind	O
noise	O
and	O
plosives	O
,	O
and	O
protects	O
the	O
microphone	O
capsule	O
.	O
</s>
<s>
The	O
SM57	B-Algorithm
is	O
a	O
popular	O
choice	O
of	O
musicians	O
due	O
to	O
its	O
sturdy	O
construction	O
and	O
ability	O
to	O
work	O
well	O
with	O
instruments	O
that	O
produce	O
high	O
sound	O
pressure	O
levels	O
,	O
such	O
as	O
percussion	O
instruments	O
and	O
electric	O
guitars	O
.	O
</s>
<s>
The	O
School	O
of	O
Audio	O
Engineering	O
(	O
SAE	O
)	O
recommends	O
the	O
SM57	B-Algorithm
(	O
along	O
with	O
other	O
makes	O
and	O
models	O
)	O
for	O
four	O
roles	O
in	O
a	O
drum	O
kit	O
:	O
kick	O
drum	O
,	O
snare	O
drum	O
,	O
rack	O
toms	O
,	O
and	O
floor	O
tom	O
.	O
</s>
<s>
SM57s	B-Algorithm
have	O
also	O
been	O
a	O
staple	O
when	O
reinforcing	O
the	O
sound	O
from	O
guitar	O
amplifiers	O
.	O
</s>
<s>
In	O
a	O
more	O
unconventional	O
fashion	O
,	O
the	O
SM57	B-Algorithm
has	O
been	O
favored	O
by	O
some	O
as	O
a	O
vocal	O
mic	O
,	O
both	O
live	O
and	O
in	O
the	O
studio	O
.	O
</s>
<s>
Notable	O
singers	O
known	O
to	O
have	O
recorded	O
vocals	O
with	O
an	O
SM57	B-Algorithm
include	O
Anthony	O
Kiedis	O
,	O
Brandon	O
Flowers	O
,	O
Madonna	O
,	O
David	O
Bowie	O
,	O
John	O
Lennon	O
,	O
Jack	O
White	O
,	O
Bjork	O
,	O
Peter	O
Gabriel	O
,	O
Paul	O
Rodgers	O
,	O
Tom	O
Waits	O
,	O
Wayne	O
Coyne	O
,	O
Tom	O
Petty	O
Alice	O
Cooper	O
,	O
Erykah	O
Badu	O
,	O
Caleb	O
Followill	O
and	O
Raphael	O
Saadiq	O
.	O
</s>
<s>
An	O
early	O
model	O
of	O
the	O
mic	O
,	O
the	O
Unidyne	B-Algorithm
545	O
was	O
used	O
on	O
Pet	O
Sounds	O
for	O
Brian	O
Wilson	O
's	O
vocal	O
tracks	O
.	O
</s>
<s>
Every	O
U.S.	O
president	O
since	O
Lyndon	O
B	O
.	O
Johnson	O
has	O
delivered	O
speeches	O
through	O
an	O
SM57	B-Algorithm
.	O
</s>
<s>
Due	O
to	O
its	O
popularity	O
,	O
the	O
SM57	B-Algorithm
has	O
been	O
counterfeited	O
frequently	O
by	O
manufacturers	O
in	O
China	O
and	O
Thailand	O
.	O
</s>
<s>
Shure	O
Distribution	O
UK	O
reports	O
that	O
the	O
SM57	B-Algorithm
,	O
SM58	B-Algorithm
,	O
Beta	O
57A	O
,	O
and	O
Beta	B-Algorithm
58A	I-Algorithm
are	O
their	O
microphones	O
that	O
are	O
most	O
commonly	O
counterfeited	O
.	O
</s>
