<s>
Synchronized	B-Device
Accessible	I-Device
Media	I-Device
Interchange	I-Device
(	O
SAMI	B-Device
)	O
is	O
a	O
Microsoft	O
accessibility	O
initiative	O
released	O
in	O
the	O
summer	O
of	O
1998	O
.	O
</s>
<s>
A	O
SAMI	B-Device
file	O
provides	O
closed	O
caption	O
support	O
for	O
multimedia	O
formats	O
.	O
</s>
<s>
Generally	O
,	O
a	O
multimedia	O
file	O
(	O
such	O
as	O
a	O
video	O
or	O
a	O
sound	O
file	O
)	O
is	O
played	O
by	O
a	O
media	B-Device
player	I-Device
such	O
as	O
Windows	B-Device
Media	I-Device
Player	I-Device
.	O
</s>
<s>
Media	B-Device
players	I-Device
that	O
support	O
closed	O
captioning	O
and	O
SAMI	B-Device
format	O
may	O
display	O
the	O
contents	O
of	O
the	O
included	O
SAMI	B-Device
file	O
.	O
</s>
<s>
A	O
SAMI	B-Device
file	O
is	O
a	O
plain	O
text	O
file	O
and	O
therefore	O
can	O
be	O
created	O
or	O
modified	O
in	O
any	O
text	O
editor	O
.	O
</s>
<s>
Its	O
structure	O
is	O
very	O
similar	O
to	O
HTML	B-Language
.	O
</s>
<s>
The	O
files	O
may	O
have	O
either	O
.smi	B-Device
or	O
.sami	O
filename	O
extensions	O
,	O
although	O
using	O
.smi	B-Device
may	O
cause	O
a	O
filename	O
extension	O
collision	O
,	O
since	O
Synchronized	B-Language
Multimedia	I-Language
Integration	I-Language
Language	I-Language
(	O
SMIL	O
)	O
files	O
and	O
Macintosh	O
self	B-Application
mounting	I-Application
images	I-Application
also	O
use	O
this	O
filename	O
extension	O
.	O
</s>
<s>
SAMI	B-Device
format	O
is	O
similar	O
to	O
HTML	B-Language
and	O
CSS	B-Language
;	O
in	O
fact	O
,	O
SAMI	B-Device
implements	O
a	O
subset	O
of	O
both	O
.	O
</s>
<s>
SAMI	B-Device
does	O
not	O
require	O
strict	O
tag	O
matching	O
.	O
</s>
<s>
Here	O
's	O
an	O
example	O
SAMI	B-Device
file	O
.	O
</s>
<s>
It	O
uses	O
CSS	B-Language
for	O
formatting	O
both	O
the	O
source	O
and	O
text	O
lines	O
and	O
it	O
supports	O
language	O
selection	O
.	O
</s>
<s>
The	O
ID	O
=	O
Source	O
(	O
matching	O
the	O
#Source	O
in	O
the	O
CSS	B-Language
identifier	O
definition	O
)	O
indicates	O
the	O
source/speaker	O
line	O
;	O
the	O
default	O
is	O
the	O
closed	O
caption	O
.	O
</s>
<s>
The	O
player	O
needs	O
to	O
know	O
how	O
to	O
associate	O
a	O
particular	O
media	O
file	O
to	O
a	O
SAMI	B-Device
file	O
.	O
</s>
<s>
For	O
example	O
,	O
when	O
Windows	B-Device
Media	I-Device
Player	I-Device
(	O
WMP	B-Device
)	O
opens	O
the	O
sound	O
file	O
cheap44.wav	O
,	O
it	O
checks	O
to	O
see	O
if	O
the	O
file	O
cheap44.smi	O
exists	O
in	O
the	O
same	O
folder	O
.	O
</s>
<s>
If	O
it	O
does	O
,	O
WMP	B-Device
uses	O
that	O
file	O
to	O
display	O
closed	O
captions	O
.	O
</s>
<s>
Alternatively	O
,	O
the	O
association	O
can	O
be	O
made	O
explicit	O
using	O
an	O
entry	O
in	O
an	O
Advanced	B-General_Concept
Stream	I-General_Concept
Redirector	I-General_Concept
(	O
ASX	O
)	O
file	O
.	O
</s>
<s>
The	O
user	O
opens	O
the	O
ASX	B-General_Concept
file	I-General_Concept
instead	O
.	O
</s>
<s>
The	O
following	O
is	O
a	O
list	O
of	O
software	O
that	O
can	O
play	O
SAMI	B-Device
along	O
with	O
multimedia	O
contents	O
:	O
</s>
