<s>
In	O
DVD	B-Application
authoring	I-Application
,	O
a	O
write	B-Application
strategy	I-Application
is	O
a	O
set	O
of	O
low-level	O
parameters	O
that	O
enables	O
an	O
optical	O
disc	O
drive	O
to	O
write	O
on	O
a	O
specific	O
type	O
of	O
blank	O
media	O
according	O
to	O
its	O
optimum	O
specifications	O
.	O
</s>
<s>
Write	B-Application
strategies	I-Application
are	O
essential	O
for	O
compatibility	O
with	O
various	O
types	O
of	O
blank	O
media	O
,	O
and	O
are	O
typically	O
stored	O
in	O
the	O
drive	O
's	O
firmware	B-Application
.	O
</s>
<s>
If	O
a	O
drive	O
lacks	O
a	O
write	B-Application
strategy	I-Application
for	O
a	O
media	O
type	O
,	O
it	O
will	O
only	O
be	O
able	O
to	O
write	O
using	O
minimum	O
speed	O
.	O
</s>
<s>
Drive	O
manufacturers	O
typically	O
include	O
new	O
or	O
improved	O
write	B-Application
strategies	I-Application
as	O
part	O
of	O
a	O
firmware	B-Application
upgrade	O
,	O
in	O
order	O
to	O
extend	O
or	O
improve	O
compatibility	O
with	O
blank	O
media	O
.	O
</s>
<s>
In	O
cases	O
where	O
official	O
support	O
for	O
a	O
drive	O
has	O
been	O
discontinued	O
or	O
is	O
deemed	O
unsatisfactory	O
,	O
users	O
have	O
come	O
up	O
with	O
ways	O
to	O
patch	O
the	O
write	B-Application
strategies	I-Application
by	O
modding	O
the	O
drive	O
's	O
firmware	B-Application
.	O
</s>
<s>
The	O
drive	O
stores	O
data	O
from	O
previous	O
burns	O
in	O
its	O
EEPROM	B-General_Concept
,	O
allowing	O
it	O
to	O
adapt	O
the	O
default	O
write	B-Application
strategies	I-Application
to	O
account	O
for	O
individual	O
drive	O
variations	O
,	O
such	O
as	O
calibration	O
,	O
which	O
may	O
be	O
affected	O
by	O
environment	O
and	O
age	O
.	O
</s>
<s>
A	O
newer	O
feature	O
contained	O
in	O
some	O
DVD	O
writers	O
allows	O
a	O
drive	O
to	O
invent	O
write	B-Application
strategies	I-Application
for	O
unknown	O
media	O
types	O
,	O
ostensibly	O
reducing	O
its	O
dependence	O
on	O
firmware	B-Application
to	O
provide	O
explicit	O
compatibility	O
.	O
</s>
<s>
Thus	O
,	O
in	O
practice	O
,	O
this	O
form	O
of	O
learning	O
is	O
generally	O
a	O
last	O
resort	O
,	O
and	O
firmware	B-Application
support	O
is	O
preferable	O
.	O
</s>
<s>
Branded	O
technologies	O
that	O
incorporate	O
this	O
form	O
of	O
learning	O
have	O
been	O
given	O
names	O
like	O
"	O
solid	O
burn	O
"	O
and	O
"	O
hypertuning	B-Application
"	O
.	O
</s>
