<s>
De-essing	B-Application
(	O
also	O
desibilizing	B-Application
)	O
is	O
any	O
technique	O
intended	O
to	O
reduce	O
or	O
eliminate	O
the	O
excessive	O
prominence	O
of	O
sibilant	O
consonants	O
,	O
such	O
as	O
the	O
sounds	O
normally	O
represented	O
in	O
English	O
by	O
"	O
s	O
"	O
,	O
"	O
z	O
"	O
,	O
"	O
ch	O
"	O
,	O
"	O
j	O
"	O
and	O
"	O
sh	O
"	O
,	O
in	O
recordings	O
of	O
the	O
human	O
voice	O
.	O
</s>
<s>
Excess	O
sibilance	O
can	O
be	O
caused	O
by	O
compression	O
,	O
microphone	B-Application
choice	O
and	O
technique	O
,	O
and	O
even	O
simply	O
the	O
way	O
a	O
person	O
's	O
mouth	O
anatomy	O
is	O
shaped	O
.	O
</s>
<s>
De-essing	B-Application
is	O
a	O
dynamic	O
audio	B-Application
editing	I-Application
process	O
,	O
only	O
working	O
when	O
the	O
level	O
of	O
the	O
signal	O
in	O
the	O
sibilant	O
range	O
(	O
the	O
ess	O
sound	O
)	O
exceeds	O
a	O
set	O
threshold	O
.	O
</s>
<s>
De-essing	B-Application
temporarily	O
reduces	O
the	O
level	O
of	O
high-frequency	O
content	O
in	O
the	O
signal	O
when	O
a	O
sibilant	O
ess	O
sound	O
is	O
present	O
.	O
</s>
<s>
De-essing	B-Application
differs	O
from	O
equalization	O
,	O
which	O
is	O
a	O
static	O
change	O
in	O
level	O
among	O
many	O
frequencies	O
.	O
</s>
<s>
Time-domain	O
approaches	O
,	O
such	O
as	O
bandpass	O
filters	O
,	O
are	O
more	O
suited	O
to	O
real-time	O
applications	O
such	O
as	O
live	O
radio	O
due	O
to	O
less	O
constraint	O
on	O
digital	B-Architecture
signal	I-Architecture
processor	I-Architecture
.	O
</s>
<s>
In	O
the	O
current	O
digital	O
stronghold	O
of	O
audio	O
production	O
,	O
the	O
most	O
commonly	O
used	O
tool	O
for	O
reducing	O
sibilance	O
is	O
a	O
de-esser	B-Application
plugin	O
.	O
</s>
<s>
A	O
dynamic	O
equalizer	O
can	O
be	O
used	O
to	O
achieve	O
the	O
same	O
effects	O
as	O
a	O
de-esser	B-Application
,	O
however	O
,	O
plugin	O
manufacturers	O
have	O
tailored	O
these	O
tools	O
to	O
operate	O
efficiently	O
within	O
the	O
mid-high	O
to	O
high	O
frequencies	O
.	O
</s>
<s>
A	O
de-essing	B-Application
plugin	O
will	O
compress	O
the	O
desired	O
signal	O
according	O
to	O
the	O
amplitude	O
of	O
the	O
selected	O
frequency	O
as	O
it	O
passes	O
over	O
a	O
preset	O
threshold	O
.	O
</s>
<s>
Over	O
de-essing	B-Application
can	O
result	O
in	O
the	O
over-manipulation	O
of	O
transients	O
,	O
resulting	O
in	O
the	O
softening	O
or	O
hardening	O
of	O
certain	O
consonants	O
,	O
yielding	O
undesirable	O
effects	O
.	O
</s>
<s>
Because	O
of	O
this	O
,	O
attack	O
and	O
release	O
times	O
are	O
extremely	O
important	O
,	O
and	O
threshold	O
settings	O
cannot	O
be	O
placed	O
as	O
low	O
as	O
with	O
other	O
types	O
of	O
de-essing	B-Application
techniques	O
without	O
experiencing	O
more	O
blatant	O
sound	O
artifacts	O
.	O
</s>
<s>
A	O
more	O
recent	O
method	O
of	O
de-essing	B-Application
involves	O
automation	O
of	O
the	O
vocal	O
level	O
in	O
a	O
digital	B-General_Concept
audio	I-General_Concept
workstation	I-General_Concept
(	O
DAW	O
)	O
.	O
</s>
<s>
Audio	B-Application
editing	I-Application
software	I-Application
,	O
whether	O
professional	O
or	O
amateur	O
software	O
such	O
as	O
Audacity	B-Language
,	O
can	O
use	O
the	O
built-in	O
equalization	O
effects	O
to	O
reduce	O
or	O
eliminate	O
sibilance	O
ess	O
sounds	O
that	O
interfere	O
with	O
a	O
recording	O
.	O
</s>
<s>
Described	O
here	O
is	O
a	O
common	O
method	O
with	O
Audacity	B-Language
.	O
</s>
