<s>
Tweaking	B-Device
refers	O
to	O
fine-tuning	O
or	O
adjusting	O
a	O
complex	O
system	O
,	O
usually	O
an	O
electronic	O
device	O
.	O
</s>
<s>
Analog	O
circuit	O
boards	O
often	O
have	O
small	O
potentiometers	B-Device
or	O
other	O
components	O
on	O
them	O
that	O
are	O
used	O
to	O
calibrate	O
or	O
adjust	O
the	O
board	O
as	O
a	O
service	O
procedure	O
:	O
the	O
small	O
insulated	O
screwdriver	O
used	O
to	O
turn	O
them	O
is	O
often	O
called	O
a	O
"	O
tweaker.	O
"	O
</s>
<s>
Hardware	O
tweaking	B-Device
is	O
a	O
process	O
of	O
modifying	O
certain	O
parts	O
of	O
a	O
hardware	O
such	O
as	O
changing	O
the	O
cables	O
,	O
cleaning	O
the	O
heads	O
of	O
a	O
VHS	O
player	O
with	O
a	O
branded	O
cleaning	O
fluid	O
or	O
oiling	O
the	O
moving	O
parts	O
of	O
an	O
engine	O
with	O
the	O
best	O
possible	O
oil	O
.	O
</s>
<s>
Computer	O
hardware	O
tweaking	B-Device
is	O
an	O
extension	O
of	O
hardware	O
tweaking	B-Device
,	O
specifically	O
geared	O
towards	O
the	O
components	O
of	O
a	O
PC	B-Device
.	O
</s>
<s>
They	O
include	O
:	O
changing	O
voltage	O
and	O
clock	O
rates	O
of	O
processing	O
units	O
,	O
modifying	O
RAM	B-Architecture
unit	O
timing	O
,	O
improving	O
cooling	B-General_Concept
systems	I-General_Concept
to	O
reduce	O
chance	O
of	O
overheating	O
,	O
etc	O
.	O
</s>
<s>
Tweaks	O
specifically	O
designed	O
to	O
allow	O
a	O
processor	O
to	O
operate	O
at	O
a	O
higher	O
clock	O
speed	O
than	O
normal	O
are	O
known	O
as	O
overclocking	B-Application
.	O
</s>
<s>
Modifications	O
of	O
computer	O
systems	O
not	O
aimed	O
at	O
increasing	O
performance	O
,	O
such	O
as	O
quieter	O
fans	O
,	O
external	O
controls	O
,	O
and	O
decorations	O
such	O
as	O
lights	O
or	O
windows	O
,	O
are	O
known	O
as	O
modding	B-Device
.	O
</s>
<s>
Software	O
tweaking	B-Device
is	O
the	O
process	O
of	O
improving	O
the	O
performance	O
of	O
an	O
application	B-Application
or	O
the	O
quality	O
of	O
its	O
output	O
.	O
</s>
<s>
There	O
can	O
be	O
two	O
ways	O
of	O
accomplishing	O
this	O
:	O
manually	O
(	O
that	O
is	O
,	O
if	O
one	O
is	O
familiar	O
with	O
programming	B-General_Concept
;	O
though	O
it	O
may	O
be	O
irrelevant	O
if	O
the	O
source	O
of	O
the	O
application	B-Application
is	O
closed	B-Application
,	O
and	O
there	O
are	O
no	O
built-in	O
means	O
to	O
adjust	O
its	O
performance	O
)	O
or	O
using	O
another	O
piece	O
of	O
software	O
specialized	O
for	O
that	O
purpose	O
.	O
</s>
<s>
Tweaking	B-Device
of	O
this	O
kind	O
generally	O
increases	O
usability	O
,	O
in	O
terms	O
of	O
personal	O
configuration	O
preferences	O
,	O
rather	O
than	O
objective	O
performance	O
of	O
the	O
system	O
overall	O
)	O
.	O
</s>
<s>
Some	O
very	O
precise	O
applications	O
need	O
constant	O
and	O
thorough	O
tweaking	B-Device
to	O
stay	O
up	O
to	O
date	O
and	O
deliver	O
best	O
possible	O
results	O
.	O
</s>
<s>
One	O
of	O
the	O
most	O
obvious	O
examples	O
of	O
such	O
a	O
fine	O
tuning	O
is	O
LAME	B-Algorithm
MP3	I-Algorithm
encoder	I-Algorithm
,	O
whose	O
3.9x	O
branch	O
is	O
not	O
only	O
considered	O
as	O
the	O
state-of-the-art	O
MP3	B-Application
encoder	I-Application
,	O
but	O
also	O
continues	O
to	O
shape	O
the	O
boundaries	O
of	O
the	O
MP3	B-Application
codec	B-General_Concept
and	O
stay	O
competitive	O
with	O
its	O
successors	O
.	O
</s>
