<s>
MythTV	B-Application
is	O
a	O
free	B-License
and	I-License
open-source	I-License
home	O
entertainment	O
application	O
with	O
a	O
simplified	O
"	O
10-foot	B-General_Concept
user	I-General_Concept
interface	I-General_Concept
"	O
design	O
for	O
the	O
living	O
room	O
TV	O
.	O
</s>
<s>
It	O
turns	O
a	O
computer	O
with	O
the	O
necessary	O
hardware	O
into	O
a	O
network	B-Architecture
streaming	O
digital	B-Application
video	I-Application
recorder	I-Application
,	O
a	O
digital	B-General_Concept
multimedia	O
home	O
entertainment	O
system	O
,	O
or	O
home	O
theater	O
personal	O
computer	O
.	O
</s>
<s>
It	O
can	O
be	O
considered	O
a	O
free	B-License
and	I-License
open-source	I-License
alternative	O
to	O
TiVo	B-Application
or	O
Windows	B-Device
Media	I-Device
Center	I-Device
.	O
</s>
<s>
It	O
runs	O
on	O
various	O
operating	B-General_Concept
systems	I-General_Concept
,	O
primarily	O
Linux	B-Application
,	O
macOS	B-Application
,	O
and	O
FreeBSD	B-Operating_System
.	O
</s>
<s>
The	O
MythTV	B-Application
project	O
was	O
started	O
in	O
April	O
2002	O
by	O
Isaac	O
Richards	O
,	O
who	O
explained	O
his	O
motivation	O
:	O
</s>
<s>
Schedules	O
Direct	O
delivers	O
the	O
same	O
Tribune	O
Media	O
Services	O
listings	O
data	O
that	O
TiVo	B-Application
and	O
other	O
video	O
recorders	O
use	O
.	O
</s>
<s>
MythTV	B-Application
is	O
capable	O
of	O
capturing	O
HDTV	B-Device
streams	O
from	O
any	O
source	O
that	O
will	O
provide	O
unencrypted	O
video	O
.	O
</s>
<s>
This	O
means	O
broadcast	O
ATSC	B-Device
and	O
DVB	B-Application
content	O
,	O
as	O
well	O
as	O
encrypted	O
DVB	B-Application
content	O
when	O
using	O
a	O
tuner	O
with	O
an	O
integrated	O
CI	B-Device
module	B-Application
.	O
</s>
<s>
Cable	O
systems	O
may	O
provide	O
some	O
unencrypted	O
QAM	B-Device
channels	O
,	O
but	O
these	O
will	O
generally	O
only	O
be	O
local	O
broadcast	O
stations	O
,	O
and	O
not	O
cable	O
programming	O
or	O
premium	O
channels	O
.	O
</s>
<s>
OpenCable	O
devices	O
are	O
available	O
to	O
access	O
encrypted	O
content	O
on	O
U.S.	O
cable	O
systems	O
,	O
but	O
as	O
this	O
is	O
a	O
full	O
DRM	O
system	O
,	O
and	O
not	O
just	O
CA	B-Architecture
like	O
DVB	B-Application
CI	B-Device
,	O
every	O
piece	O
of	O
hardware	O
and	O
software	O
on	O
the	O
playback	O
chain	O
must	O
be	O
tested	O
and	O
licensed	O
by	O
CableLabs	O
.	O
</s>
<s>
At	O
current	O
,	O
Windows	B-Device
Media	I-Device
Center	I-Device
is	O
the	O
only	O
DVR	B-Application
software	O
to	O
meet	O
these	O
requirements	O
,	O
and	O
only	O
it	O
,	O
and	O
other	O
software	O
using	O
its	O
recording	O
libraries	O
,	O
can	O
use	O
these	O
devices	O
.	O
</s>
<s>
As	O
an	O
alternative	O
to	O
direct	O
digital	B-General_Concept
capture	O
,	O
one	O
can	O
use	O
an	O
external	O
decoder	O
to	O
receive	O
the	O
channels	O
,	O
and	O
then	O
capture	O
using	O
digital-analog-digital	O
conversion	O
(	O
the	O
analog	O
hole	O
)	O
.	O
</s>
<s>
MythTV	B-Application
's	O
add-on	O
modules	B-Application
(	O
plugins	O
)	O
include	O
:	O
</s>
<s>
The	O
base	O
system	O
integrates	O
with	O
its	O
modules	B-Application
.	O
</s>
<s>
A	O
system	O
can	O
be	O
controlled	O
with	O
an	O
infrared	O
remote	O
control	O
using	O
LIRC	B-Language
,	O
or	O
radio	O
remote	O
control	O
using	O
kernel	B-Application
modules	I-Application
.	O
</s>
<s>
MythTV	B-Application
is	O
available	O
for	O
many	O
operating	B-General_Concept
systems	I-General_Concept
based	O
on	O
Linux	B-Application
or	O
Unix	O
,	O
including	O
Mac	B-Application
OS	I-Application
.	O
</s>
<s>
The	O
MythTV	B-Application
website	O
distributes	O
only	O
source	O
code	O
,	O
which	O
must	O
be	O
compiled	B-Language
for	O
the	O
desired	O
system	O
;	O
executable	O
programs	O
can	O
be	O
downloaded	O
from	O
various	O
third-party	O
sources	O
.	O
</s>
<s>
The	O
software	O
runs	O
on	O
and	O
is	O
officially	O
supported	O
by	O
Microsoft	O
Windows	O
,	O
but	O
no	O
official	O
executable	O
version	O
was	O
available	O
;	O
there	O
are	O
detailed	O
instructions	O
for	O
compiling	B-Language
for	O
Windows	O
.	O
</s>
<s>
Notable	O
projects	O
that	O
include	O
a	O
Linux	B-Application
distribution	O
bundled	O
with	O
MythTV	B-Application
(	O
and	O
associated	O
libraries	O
)	O
are	O
:	O
</s>
<s>
LinHES	O
is	O
a	O
bootCD	O
derivative	O
of	O
Arch	O
Linux	B-Application
.	O
</s>
<s>
Its	O
MythTV	B-Application
frontend	O
can	O
be	O
run	O
from	O
the	O
CD	O
.	O
</s>
<s>
LinuxMCE	B-Application
bundles	O
MythTV	B-Application
with	O
Kubuntu	B-Application
as	O
the	O
Linux	B-Application
distro	O
,	O
along	O
with	O
the	O
Pluto	O
Home	O
automation	O
suite	O
.	O
</s>
<s>
Mythbuntu	B-Operating_System
combines	O
Ubuntu	B-Operating_System
distributions	I-Operating_System
with	O
MythTV	B-Application
.	O
</s>
<s>
The	O
Ubuntu	B-Operating_System
community	O
has	O
built	O
extensive	O
resources	O
for	O
installing	O
,	O
configuring	O
and	O
troubleshooting	O
MythTV	B-Application
.	O
</s>
<s>
Ubuntu	B-Operating_System
TV	O
integrates	O
MythTV	B-Application
into	O
a	O
television-ready	O
interface	O
(	O
based	O
on	O
the	O
Ubuntu	B-Device
Unity	I-Device
user	O
interface	O
)	O
.	O
</s>
<s>
Xebian	O
is	O
a	O
distribution	O
of	O
Debian	O
Linux	B-Application
for	O
the	O
Microsoft	O
Xbox	B-Application
game	O
console	O
and	O
includes	O
MythTV	B-Application
.	O
</s>
