<s>
VirtualDubMod	B-Language
was	O
an	O
open-source	B-Application
video	B-General_Concept
capture	I-General_Concept
and	O
processing	O
tool	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
based	O
on	O
Avery	O
Lee	O
's	O
VirtualDub	B-Application
.	O
</s>
<s>
VirtualDub	B-Application
's	O
author	O
,	O
which	O
hosts	O
VirtualDubMod	B-Language
's	O
forums	O
,	O
claimed	O
that	O
development	O
had	O
been	O
abandoned	O
.	O
</s>
<s>
A	O
version	O
labeled	O
as	O
"	O
VirtualDubMod	B-Language
1.6.0.0	O
SURROUND	O
"	O
,	O
dated	O
9	O
April	O
2006	O
,	O
was	O
released	O
by	O
a	O
company	O
called	O
Aud-X	O
.	O
</s>
<s>
A	O
Version	O
1.5.10.3	O
build	O
2550	O
was	O
released	O
by	O
VirtualDub-Fr	O
.	O
</s>
<s>
VirtualDubMod	B-Language
merged	O
several	O
specialized	O
forks	B-Application
of	O
VirtualDub	B-Application
posted	O
on	O
the	O
Doom9	O
forums	O
.	O
</s>
<s>
Added	O
features	O
included	O
Matroska	O
(	O
MKV	O
)	O
support	O
,	O
OGM	O
support	O
,	O
and	O
MPEG-2	B-Algorithm
support	O
.	O
</s>
<s>
One	O
notable	O
feature	O
that	O
remains	O
missing	O
in	O
VirtualDubMod	B-Language
is	O
the	O
ability	O
to	O
program	O
timed	O
video	B-General_Concept
captures	I-General_Concept
,	O
which	O
was	O
present	O
in	O
one	O
VirtualDub	B-Application
fork	B-Application
called	O
VirtualDubVCR	O
.	O
</s>
<s>
Despite	O
the	O
abandonment	O
of	O
development	O
of	O
VirtualDubMod	B-Language
,	O
some	O
of	O
its	O
features	O
can	O
be	O
added	O
to	O
VirtualDub	B-Application
through	O
input	O
plugins	O
and	O
ACM	O
codecs	B-General_Concept
provided	O
by	O
users	O
on	O
VirtualDub	B-Application
forums	O
.	O
</s>
