<s>
The	O
Atari	B-Application
Video	I-Application
Music	I-Application
(	O
Model	O
C240	O
)	O
is	O
the	O
earliest	O
commercial	O
electronic	O
music	B-Application
visualizer	I-Application
released	O
.	O
</s>
<s>
By	O
interpreting	O
an	O
input	O
musical	O
waveform	O
,	O
the	O
Video	B-Application
Music	I-Application
translates	O
the	O
levels	O
of	O
musical	O
intensity	O
and	O
mellowness	O
into	O
colors	O
and	O
shapes	O
that	O
are	O
output	O
to	O
a	O
graphical	O
display	O
.	O
</s>
<s>
After	O
the	O
unit	O
is	O
powered	O
on	O
,	O
a	O
toggle	O
switch	O
may	O
be	O
used	O
to	O
select	O
between	O
"	O
TV	O
"	O
(	O
music	B-Application
visualization	I-Application
inactive	O
)	O
,	O
and	O
"	O
Game	O
"	O
(	O
music	B-Application
visualization	I-Application
active	O
)	O
.	O
</s>
<s>
Unlike	O
Atari	O
's	O
previous	O
video	O
game	O
systems	O
,	O
the	O
Video	B-Application
Music	I-Application
system	O
's	O
switch	O
box	O
featured	O
a	O
75	O
Ohm	O
pass-through	O
F	B-Protocol
connector	I-Protocol
allowing	O
the	O
television	O
antenna	O
or	O
cable	O
to	O
remain	O
attached	O
and	O
thereby	O
eliminating	O
the	O
tiresome	O
process	O
of	O
detaching	O
and	O
reattaching	O
the	O
cable	O
every	O
time	O
the	O
user	O
switched	O
from	O
watching	O
normal	O
television	O
broadcasts	O
to	O
using	O
the	O
visualizer	O
.	O
</s>
<s>
The	O
Video	B-Application
Music	I-Application
hooks	O
up	O
to	O
a	O
TV	O
through	O
an	O
RF	O
switchbox	O
.	O
</s>
<s>
The	O
other	O
hook	O
ups	O
are	O
left	O
and	O
right	O
RCA	B-Protocol
jack	I-Protocol
inputs	O
that	O
hook	O
up	O
to	O
an	O
audio	O
amplifier	O
's	O
RCA	O
outputs	O
.	O
</s>
<s>
Developed	O
under	O
the	O
codename	O
Project	O
Mood	O
,	O
the	O
Video	B-Application
Music	I-Application
unit	O
was	O
designed	O
by	O
Robert	O
Brown	O
,	O
a	O
developer	O
of	O
the	O
home	O
version	O
of	O
Pong	B-Application
.	O
</s>
<s>
The	O
Video	B-Application
Music	I-Application
system	O
was	O
reviewed	O
in	O
Video	O
magazine	O
as	O
part	O
of	O
a	O
special	O
"	O
VideoTest	O
Report	O
"	O
in	O
1978	O
.	O
</s>
<s>
Devo	O
used	O
a	O
Video	B-Application
Music	I-Application
screen	O
as	O
a	O
background	O
in	O
the	O
video	O
for	O
"	O
The	O
Day	O
My	O
Baby	O
Gave	O
Me	O
a	O
Surprise	O
"	O
.	O
</s>
<s>
The	O
diamond	O
pattern	O
visuals	O
from	O
Video	B-Application
Music	I-Application
can	O
be	O
seen	O
in	O
several	O
scenes	O
from	O
the	O
1979	O
movie	O
Over	O
the	O
Edge	O
where	O
the	O
mute	O
character	O
Johnny	O
watches	O
the	O
visuals	O
in	O
his	O
bedroom	O
.	O
</s>
<s>
The	O
diamond	O
pattern	O
visuals	O
from	O
Video	B-Application
Music	I-Application
appeared	O
in	O
an	O
episode	O
of	O
The	O
X-Files	O
''	O
(	O
Season	O
1	O
Episode	O
7	O
,	O
"	O
Ghost	O
in	O
the	O
Machine	O
"	O
)	O
as	O
part	O
of	O
a	O
video	O
surveillance	O
system	O
.	O
</s>
