<s>
Metavid	B-Protocol
is	O
a	O
free-software	B-Application
wiki-based	O
community	O
archive	O
project	O
for	O
audio	O
video	O
media	O
.	O
</s>
<s>
Metavid	B-Protocol
has	O
been	O
archiving	O
since	O
early	O
2006	O
and	O
hosts	O
over	O
a	O
thousand	O
of	O
hours	O
of	O
US	O
House	O
and	O
Senate	O
floor	O
footage	O
.	O
</s>
<s>
Originally	O
metavid	B-Protocol
hosted	O
house	O
and	O
senate	O
committees	O
but	O
they	O
were	O
taken	O
down	O
in	O
response	O
to	O
legal	O
threats	O
by	O
C-SPAN	O
.	O
</s>
<s>
The	O
Metavid	B-Protocol
archive	O
hosts	O
the	O
largest	O
free	O
&	O
reusable	O
archive	O
of	O
house	O
and	O
senate	O
legislative	O
footage	O
.	O
</s>
<s>
Through	O
a	O
partnership	O
with	O
archive.org	O
the	O
original	O
mpeg2s	O
are	O
made	O
accessible	O
through	O
the	O
metavid	B-Protocol
site	O
.	O
</s>
<s>
As	O
these	O
content	O
sources	O
became	O
available	O
,	O
Metavid	B-Protocol
stopped	O
archiving	O
these	O
chambers	O
due	O
to	O
the	O
labor-intensive	O
process	O
of	O
separating	O
proprietary	O
C-SPAN	O
content	O
from	O
public	O
domain	O
floor	O
proceedings	O
.	O
</s>
<s>
Metavid	B-Protocol
is	O
a	O
free	B-Application
software	I-Application
platform	O
for	O
online	O
communities	O
to	O
engage	O
with	O
audio/video	O
media	O
assets	O
.	O
</s>
<s>
The	O
Metavid	B-Protocol
software	O
is	O
built	O
on	O
top	O
of	O
MediaWiki	B-Application
and	O
Semantic	B-Protocol
Mediawiki	I-Protocol
,	O
enabling	O
semantic	O
temporal	O
metadata	O
for	O
media	O
streams	O
.	O
</s>
<s>
Metavid	B-Protocol
also	O
features	O
basic	O
sequencing	O
and	O
the	O
library	O
that	O
enables	O
remote	O
embedding	O
of	O
hosted	O
clips	O
with	O
associated	O
transcripts	O
.	O
</s>
<s>
Metadata	O
such	O
as	O
transcripts	O
are	O
exported	O
in	O
CMML	B-General_Concept
,	O
an	O
open	O
xml	O
standard	O
developed	O
by	O
Annodex	O
foundation	O
to	O
exchange	O
of	O
temporal	O
metadata	O
.	O
</s>
