<s>
In	O
computing	O
,	O
10-foot	B-General_Concept
user	I-General_Concept
interface	I-General_Concept
,	O
10-foot	B-General_Concept
UI	I-General_Concept
or	O
3-meter	O
user	O
interface	O
is	O
a	O
graphical	O
user	O
interface	O
designed	O
for	O
televisions	O
.	O
</s>
<s>
Additionally	O
,	O
the	O
limitations	O
of	O
a	O
television	O
's	O
remote	O
control	O
necessitate	O
extra	O
user	B-Application
experience	I-Application
considerations	O
to	O
minimize	O
user	O
effort	O
.	O
</s>
<s>
In	O
the	O
past	O
,	O
these	O
types	O
of	O
human	O
interaction	O
design	O
(	O
HID	O
)	O
interfaces	O
are	O
driven	O
by	O
remote	O
controllers	O
primarily	O
using	O
infrared	O
(	O
IR	O
)	O
codes	O
signals	O
,	O
which	O
are	O
increasingly	O
replaced	O
by	O
other	O
two-way	O
radio-frequency	O
protocol	O
standards	O
such	O
as	O
Bluetooth	B-Protocol
,	O
while	O
maintaining	O
the	O
use	O
of	O
IR	O
for	O
certain	O
wake-up	O
situations	O
.	O
</s>
<s>
The	O
voice	O
interfaces	O
are	O
also	O
now	O
purposed	O
to	O
provide	O
a	O
near-field	O
experience	O
in	O
addition	O
to	O
the	O
far-field	O
experience	O
of	O
the	O
likes	O
of	O
smart	B-Device
speakers	I-Device
.	O
</s>
<s>
One	O
of	O
the	O
requirements	O
of	O
voice-input	O
10-foot	B-General_Concept
user	I-General_Concept
interface	I-General_Concept
usually	O
require	O
a	O
device	O
like	O
smart	B-Device
speaker	I-Device
,	O
over-the-top	O
(	O
OTT	O
)	O
TV	O
box	O
or	O
smart	B-Device
television	I-Device
with	O
Internet	O
connectivity	O
supported	O
by	O
an	O
advanced	O
software	O
operating	O
system	O
.	O
</s>
<s>
A	O
10-foot	B-General_Concept
UI	I-General_Concept
is	O
almost	O
always	O
designed	O
to	O
be	O
operated	O
by	O
a	O
simple	O
hand-held	O
remote	O
control	O
.	O
</s>
<s>
Rather	O
than	O
the	O
mouse	B-Device
or	O
touchscreen	B-Device
which	O
are	O
commonly	O
used	O
with	O
other	O
types	O
of	O
user	O
interfaces	O
,	O
the	O
remote	O
's	O
directional	B-Device
pad	I-Device
is	O
the	O
primary	O
means	O
of	O
navigation	O
.	O
</s>
<s>
This	O
means	O
that	O
a	O
10-foot	B-General_Concept
UI	I-General_Concept
needs	O
to	O
arrange	O
items	O
on	O
screen	O
in	O
a	O
way	O
that	O
clearly	O
shows	O
which	O
item	O
would	O
be	O
next	O
in	O
each	O
of	O
the	O
four	O
directions	O
of	O
the	O
directional	B-Device
pad	I-Device
–	O
usually	O
a	O
grid	O
layout	O
.	O
</s>
<s>
Also	O
,	O
without	O
a	O
mouse	B-Device
cursor	O
,	O
the	O
currently-selected	O
item	O
must	O
be	O
highlighted	O
in	O
some	O
way	O
.	O
</s>
<s>
Ten-foot	O
interfaces	O
may	O
resemble	O
other	O
post-WIMP	B-Application
systems	O
graphically	O
,	O
but	O
do	O
not	O
assume	O
the	O
use	O
of	O
a	O
touch	B-Device
screen	I-Device
.	O
</s>
<s>
The	O
goal	O
of	O
10-foot	B-General_Concept
user	I-General_Concept
interface	I-General_Concept
design	O
is	O
normally	O
to	O
make	O
the	O
user	O
's	O
interaction	O
as	O
simple	O
and	O
efficient	O
as	O
possible	O
,	O
trying	O
to	O
achieve	O
a	O
more	O
laid-back	O
and	O
relaxed	O
user	B-Application
experience	I-Application
with	O
as	O
few	O
button	O
presses	O
as	O
possible	O
while	O
still	O
having	O
an	O
intuitive	O
layout	O
,	O
in	O
terms	O
of	O
accomplishing	O
user	O
goalswhat	O
is	O
often	O
called	O
user-centered	O
design	O
.	O
</s>
<s>
Graphic	O
design	O
may	O
be	O
utilized	O
to	O
support	O
its	O
usability	B-General_Concept
;	O
however	O
,	O
the	O
design	O
process	O
must	O
balance	O
technical	O
functionality	O
and	O
visual	O
elements	O
(	O
e.g.	O
,	O
mental	O
model	O
)	O
to	O
create	O
a	O
system	O
that	O
is	O
not	O
only	O
operational	O
but	O
also	O
usable	B-General_Concept
and	O
adaptable	O
to	O
changing	O
user	O
needs	O
.	O
</s>
<s>
One	O
of	O
the	O
additional	O
feature	O
in	O
10-foot	B-General_Concept
user	I-General_Concept
interface	I-General_Concept
design	O
is	O
also	O
to	O
repurpose	O
the	O
on	O
screen	O
display	O
(	O
OSD	O
)	O
for	O
providing	O
a	O
clear	O
menu-driven	O
interaction	O
for	O
users	O
.	O
</s>
<s>
The	O
rise	O
of	O
the	O
use	O
of	O
voice-based	O
input	O
(	O
as	O
found	O
in	O
some	O
remote	O
controllers	O
and	O
smart	B-Device
speakers	I-Device
)	O
also	O
provides	O
a	O
direct	O
control	O
interface	O
enhancing	O
the	O
user	B-Application
experience	I-Application
.	O
</s>
