<s>
The	O
Virtual	B-Application
Light	I-Application
Machine	I-Application
(	O
VLM	B-Application
)	O
is	O
a	O
light	B-Application
synthesizer	I-Application
developed	O
by	O
Jeff	O
Minter	O
in	O
1990	O
.	O
</s>
<s>
It	O
was	O
installed	O
into	O
a	O
number	O
of	O
electronics	O
,	O
including	O
the	O
Atari	B-Device
Jaguar	I-Device
CD	I-Device
and	O
Nuon	B-Device
DVD	O
players	O
.	O
</s>
<s>
The	O
Virtual	B-Application
Light	I-Application
Machine	I-Application
is	O
similar	O
to	O
what	O
would	O
later	O
be	O
seen	O
in	O
music	B-Application
visualizations	I-Application
included	O
with	O
Winamp	B-Application
and	O
other	O
Media	O
players	O
.	O
</s>
<s>
When	O
an	O
audio	O
CD	O
is	O
put	O
into	O
a	O
VLM	B-Application
compatible	O
device	O
,	O
the	O
VLM	B-Application
loads	O
,	O
manifesting	O
visualizations	O
which	O
appear	O
on	O
the	O
screen	O
that	O
change	O
with	O
the	O
music	O
.	O
</s>
<s>
The	O
VLM	B-Application
is	O
set	O
apart	O
from	O
simple	O
music	B-Application
visualizers	I-Application
by	O
an	O
interactive	O
mode	O
that	O
allows	O
users	O
to	O
manipulate	O
graphics	O
generation	O
on	O
the	O
fly	O
.	O
</s>
<s>
Three	O
versions	O
of	O
the	O
VLM	B-Application
software	O
were	O
released	O
.	O
</s>
<s>
VLM-1	O
is	O
the	O
version	O
installed	O
and	O
developed	O
for	O
the	O
Atari	B-Device
Jaguar	I-Device
CD	I-Device
.	O
</s>
<s>
Nuon	B-Device
players	O
featured	O
version	O
VLM-2	O
.	O
</s>
<s>
VLM-3	O
was	O
to	O
be	O
the	O
basis	O
of	O
the	O
video	O
game	O
Unity	B-Application
,	O
which	O
was	O
in	O
turn	O
upgraded	O
to	O
form	O
the	O
basis	O
of	O
the	O
Neon	B-Application
light	B-Application
synthesizer	I-Application
,	O
utilized	O
in	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
and	O
Minter	O
's	O
Space	B-Application
Giraffe	I-Application
.	O
</s>
<s>
A	O
prototype	O
dubbed	O
VLM-0	O
was	O
demonstrated	O
at	O
several	O
concerts	O
and	O
raves	O
but	O
was	O
not	O
made	O
widely	O
available	O
.	O
</s>
<s>
Every	O
Nuon	B-Device
player	O
used	O
the	O
same	O
version	O
of	O
VLM	B-Application
;	O
however	O
there	O
were	O
differences	O
in	O
the	O
number	O
of	O
effects	O
available	O
between	O
players	O
.	O
</s>
<s>
The	O
player	O
released	O
by	O
Toshiba	O
only	O
featured	O
8	O
VLM	B-Application
effects	O
,	O
less	O
than	O
the	O
Samsung	B-Application
DVDN-2000	O
.	O
</s>
<s>
The	O
Samsung	B-Application
DVDN-2000	O
featured	O
a	O
higher	O
resolution	O
than	O
the	O
Toshiba	O
player	O
.	O
</s>
<s>
The	O
Samsung	B-Application
DVDN-501	O
has	O
the	O
most	O
VLM	B-Application
effects	O
(	O
about	O
150	O
)	O
but	O
these	O
effects	O
were	O
presented	O
in	O
a	O
lower	O
resolution	O
than	O
the	O
DVDN-2000	O
.	O
</s>
<s>
Interactive	O
mode	O
is	O
only	O
available	O
on	O
Nuon	B-Device
players	O
with	O
attached	O
joysticks	O
.	O
</s>
<s>
RCA	O
also	O
released	O
2	O
Nuon	B-Device
DVD	O
players	O
that	O
also	O
featured	O
VLM	B-Application
but	O
these	O
RCA	O
players	O
are	O
missing	O
many	O
of	O
the	O
Nuon	B-Device
features	O
that	O
the	O
Toshiba	O
and	O
Samsung	B-Application
players	O
contain	O
.	O
</s>
