<s>
RealPlayer	B-Application
,	O
formerly	O
RealAudio	B-Application
Player	I-Application
,	O
RealOne	B-Application
Player	I-Application
and	O
RealPlayer	B-Application
G2	I-Application
,	O
is	O
a	O
cross-platform	B-Operating_System
media	O
player	O
app	O
,	O
developed	O
by	O
RealNetworks	O
.	O
</s>
<s>
The	O
media	O
player	O
is	O
compatible	O
with	O
numerous	O
container	O
file	O
formats	O
of	O
the	O
multimedia	O
realm	O
,	O
including	O
MP3	B-Application
,	O
MP4	O
,	O
QuickTime	B-Application
File	I-Application
Format	I-Application
,	O
Windows	B-Application
Media	I-Application
format	I-Application
,	O
and	O
the	O
proprietary	O
RealAudio	B-Algorithm
and	O
RealVideo	B-Algorithm
formats	O
.	O
</s>
<s>
RealPlayer	B-Application
is	O
also	O
available	O
for	O
other	O
operating	B-General_Concept
systems	I-General_Concept
;	O
Linux	B-Application
,	O
Unix	B-Application
,	O
Palm	B-Operating_System
OS	I-Operating_System
,	O
Windows	B-Operating_System
Mobile	I-Operating_System
,	O
and	O
Symbian	B-Operating_System
versions	O
have	O
been	O
released	O
.	O
</s>
<s>
The	O
program	O
is	O
powered	O
by	O
an	O
underlying	O
open-source	B-Application
media	O
engine	O
called	O
Helix	B-Application
.	O
</s>
<s>
The	O
first	O
version	O
of	O
RealPlayer	B-Application
was	O
introduced	O
on	O
April	O
3	O
,	O
1995	O
as	O
"	O
RealAudio	B-Application
Player	I-Application
"	O
and	O
was	O
one	O
of	O
the	O
first	O
media	O
players	O
capable	O
of	O
streaming	O
media	O
over	O
the	O
Internet	O
.	O
</s>
<s>
Then	O
,	O
version	O
4.01	O
of	O
RealPlayer	B-Application
was	O
included	O
as	O
a	O
selectable	O
Internet	O
tool	O
in	O
Windows	B-Device
98	I-Device
's	O
installation	O
package	O
.	O
</s>
<s>
Subsequent	O
versions	O
of	O
the	O
software	O
were	O
titled	O
"	O
RealPlayer	B-Application
G2	I-Application
"	O
(	O
version	O
6	O
)	O
and	O
"	O
RealOne	B-Application
Player	I-Application
"	O
(	O
version	O
9	O
)	O
,	O
while	O
free	O
"	O
Basic	O
"	O
versions	O
as	O
well	O
as	O
paid	O
"	O
Plus	O
"	O
versions	O
,	O
the	O
latter	O
with	O
additional	O
features	O
,	O
have	O
also	O
been	O
offered	O
.	O
</s>
<s>
For	O
the	O
Windows	B-Application
OS	I-Application
,	O
the	O
RealPlayer	B-Application
version	O
9	O
subsumed	O
the	O
features	O
of	O
the	O
separate	O
program	O
,	O
RealJukebox	B-Application
.	O
</s>
<s>
RealPlayer	B-Application
11	I-Application
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
in	O
November	O
2007	O
and	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
in	O
May	O
2008	O
.	O
</s>
<s>
RealPlayer	B-Application
15	O
was	O
released	O
on	O
November	O
18	O
,	O
2011	O
.	O
</s>
<s>
This	O
version	O
allowed	O
users	O
to	O
transfer	O
video	O
,	O
music	O
,	O
and	O
photos	O
between	O
their	O
computers	O
and	O
mobile	O
devices	O
,	O
share	O
links	O
of	O
videos	O
and	O
photos	O
on	O
sites	O
such	O
as	O
Facebook	B-Application
and	O
MySpace	B-Application
,	O
and	O
download	O
videos	O
from	O
popular	O
sites	O
such	O
as	O
YouTube	B-General_Concept
and	O
Metacafe	O
.	O
</s>
<s>
RealPlayer	B-Application
was	O
initially	O
accessed	O
by	O
many	O
users	O
as	O
a	O
plugin	B-Application
to	O
watch	O
streaming	O
video	O
or	O
listen	O
to	O
streaming	O
audio	O
(	O
for	O
example	O
,	O
most	O
of	O
the	O
BBC	O
's	O
websites	O
formerly	O
employed	O
the	O
plugin	B-Application
)	O
;	O
but	O
in	O
the	O
early	O
21st	O
century	O
,	O
Adobe	B-Operating_System
Flash	I-Operating_System
and	O
subsequently	O
HTML5	O
video	O
became	O
preferred	O
options	O
for	O
this	O
purpose	O
.	O
</s>
<s>
In	O
February	O
2016	O
,	O
RealNetworks	O
released	O
RealPlayer	B-Application
18	O
,	O
which	O
incorporated	O
the	O
features	O
of	O
the	O
previous	O
year	O
's	O
release	O
of	O
RealTimes	O
,	O
an	O
app	O
that	O
makes	O
multimedia	O
montages	O
from	O
users	O
 '	O
photographs	O
and	O
videos	O
,	O
backed	O
up	O
and	O
accessible	O
via	O
cloud	B-Architecture
storage	O
.	O
</s>
<s>
The	O
Real.com	O
Blog	O
states	O
that	O
"	O
RealPlayer	B-Application
with	O
RealTimes	O
(	O
aka	O
"	O
RealPlayer	B-Application
"	O
for	O
short	O
)	O
will	O
still	O
include	O
the	O
legacy	O
features	O
,	O
such	O
as	O
Downloader	O
,	O
Converter	O
,	O
and	O
Web	O
Videos	O
.	O
</s>
<s>
Note	O
that	O
as	O
of	O
2018	O
,	O
the	O
publisher	O
only	O
provides	O
RealTime	O
for	O
use	O
on	O
a	O
Mac	O
and	O
no	O
longer	O
publishes	O
a	O
media	O
player	O
called	O
RealPlayer	B-Application
for	O
macOS	B-Operating_System
.	O
</s>
<s>
As	O
of	O
January	O
2022	O
,	O
the	O
www.real.com	O
home	O
page	O
offers	O
RealPlayer	B-Application
for	O
Windows	O
,	O
Android	B-Application
,	O
and	O
iOS	O
.	O
</s>
<s>
Features	O
of	O
RealPlayer	B-Application
include	O
a	O
video	O
download	O
utility	O
,	O
a	O
web	B-Application
browser	I-Application
,	O
visualizations	B-Application
(	O
graphical	O
animations	O
or	O
"	O
light	O
shows	O
"	O
that	O
appear	O
on	O
the	O
screen	O
when	O
playing	O
music	O
)	O
,	O
equalizer	O
and	O
video	O
controls	O
(	O
including	O
Crossfade	O
and	O
Gapless	O
playback	O
in	O
RealPlayer	B-Application
Plus	O
)	O
,	O
recording	O
audio	O
,	O
CD	O
ripping	O
,	O
and	O
a	O
media	B-Algorithm
converter	I-Algorithm
which	O
allows	O
converting	O
files	O
to	O
a	O
variety	O
of	O
common	O
audio	O
and	O
video	O
formats	O
.	O
</s>
<s>
Photo	O
and	O
Video	O
Sharing	O
-	O
users	O
can	O
post	O
videos	O
to	O
Facebook	B-Application
and	O
Twitter	B-Application
directly	O
from	O
the	O
software	O
,	O
as	O
well	O
as	O
share	O
directly	O
to	O
friends	O
and	O
family	O
via	O
email	O
or	O
SMS	O
messages	O
.	O
</s>
<s>
RealPlayer	B-Application
has	O
used	O
several	O
data	O
formats	O
:	O
</s>
<s>
)	O
,	O
AVI	O
( *	O
.avi	O
,	O
*	O
.divx	O
)	O
,	O
MJPEG	O
video	O
playback	O
from	O
.avi	O
files	O
,	O
Windows	B-Device
Media	I-Device
( *	O
.wma	B-Application
,	O
*	O
.wmv	B-Application
etc	O
.	O
)	O
</s>
<s>
(	O
requires	O
Windows	B-Device
Media	I-Device
Player	O
9/10	O
)	O
,	O
QuickTime	B-Application
( *	O
.mov	B-Application
,	O
*	O
.qt	B-Application
)	O
(	O
QuickTime	B-Application
Player	I-Application
must	O
be	O
installed	O
)	O
,	O
Adobe	O
Systems	O
Flash	B-Operating_System
( *	O
.swf	O
)	O
(	O
Flash	B-Operating_System
or	O
Shockwave	O
Player	O
must	O
be	O
installed	O
)	O
,	O
Flash	B-Operating_System
Video	I-Operating_System
( *	O
.flv	B-Operating_System
)	O
.	O
</s>
<s>
RealPlayer	B-Application
has	O
a	O
wide	O
variety	O
of	O
plug-ins	B-Application
.	O
</s>
<s>
Some	O
of	O
the	O
plug-ins	B-Application
are	O
listed	O
at	O
the	O
RealPlayer	B-Application
accessories	O
page	O
,	O
but	O
not	O
all	O
.	O
</s>
<s>
There	O
are	O
four	O
audio	O
"	O
enhancers	O
"	O
available	O
for	O
the	O
latest	O
version	O
of	O
RealPlayer	B-Application
.	O
</s>
<s>
DFX	O
,	O
iQfx	O
,	O
Volume	B-Application
Logic	I-Application
,	O
and	O
Sanyo	O
3D	O
Surround	O
.	O
</s>
<s>
Lake	O
PLS	O
,	O
created	O
by	O
Lake	O
Technologies	O
,	O
works	O
only	O
with	O
RealJukebox	B-Application
,	O
and	O
has	O
limited	O
use	O
.	O
</s>
<s>
There	O
are	O
some	O
registry	O
tweaks	O
which	O
allow	O
Lake	O
PLS	O
to	O
work	O
with	O
RealPlayer	B-Application
10	O
.	O
</s>
<s>
Lake	O
PLS	O
is	O
still	O
available	O
on	O
the	O
RealPlayer	B-Application
website	O
.	O
</s>
<s>
RealPlayer	B-Application
has	O
had	O
two	O
skin	O
creator	O
plug-ins	B-Application
:	O
SkinsEditor	O
for	O
RealJukebox	B-Application
--	O
an	O
easy	O
to	O
use	O
skins	O
creator	O
made	O
by	O
DeYoung	O
software	O
.	O
</s>
<s>
The	O
second	O
application	O
,	O
RealJukebox	B-Application
Skins	O
Converter	O
,	O
converts	O
Winamp	B-Application
skins	O
into	O
RealPlayer	B-Application
skins	O
.	O
</s>
<s>
vTuner	O
Plus	O
is	O
a	O
radio	O
tuner	O
specially	O
created	O
for	O
RealPlayer	B-Application
.	O
</s>
<s>
The	O
available	O
visualizations	B-Application
from	O
the	O
RealNetworks	O
site	O
are	O
:	O
FrequencywurX	O
,	O
FyrewurX	O
,	O
FlamewurX	O
,	O
XFactor	O
,	O
Spectrl	O
View	O
,	O
FluxWave	O
,	O
Puddle	O
,	O
Paint	O
Drops	O
,	O
Polka	O
dots	O
,	O
StickSterZ	O
1.0	O
,	O
Circle	O
,	O
On	O
the	O
road	O
,	O
Real	O
Logo	O
,	O
and	O
Hubble	O
Bubble	O
.	O
</s>
<s>
There	O
are	O
some	O
more	O
visualization	O
plug-ins	B-Application
like	O
Surreal.FX	O
by	O
RealNetworks	O
,	O
G-Force	O
and	O
WhiteCap	O
by	O
SoundSpectrum	O
and	O
SticksterZ	O
1.1	O
by	O
Eric	O
Metois	O
.	O
</s>
<s>
RealPlayer	B-Application
has	O
a	O
browser	B-Application
download	O
add-on	O
for	O
Firefox	O
(	O
currently	O
v1.0	O
)	O
which	O
allows	O
users	O
to	O
download	O
video	O
from	O
a	O
video	O
player	O
window	O
(	O
pop-up	O
menu	O
above	O
top-right	O
side	O
of	O
video	O
player	O
)	O
.	O
</s>
<s>
an	O
audioscrobbler	O
plugin	B-Application
that	O
connects	O
RealPlayer	B-Application
with	O
the	O
Last.FM	O
social	O
music	O
network	O
.	O
</s>
<s>
RealPlayer	B-Application
SP	I-Application
includes	O
audio	O
CD	O
burning	O
capabilities	O
,	O
DVR-style	O
playback	O
buffering	O
,	O
multimedia	O
search	O
,	O
Internet	O
radio	O
,	O
a	O
jukebox-style	O
file	O
library	O
,	O
an	O
embedded	O
web	B-Application
browser	I-Application
(	O
using	O
Microsoft	O
Internet	O
Explorer	O
)	O
,	O
and	O
the	O
ability	O
to	O
convert	O
and	O
transfer	O
media	O
to	O
a	O
wide	O
range	O
of	O
devices	O
.	O
</s>
<s>
This	O
includes	O
music	O
players	O
such	O
as	O
iPod	B-Device
and	O
Zune	B-Library
,	O
smartphones	O
such	O
as	O
iPhone	B-Device
and	O
BlackBerry	B-Operating_System
,	O
portable	O
gaming	O
devices	O
such	O
as	O
Sony	B-Operating_System
PSP	I-Operating_System
,	O
and	O
console	O
gaming	O
systems	O
such	O
as	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
PS3	B-Operating_System
,	O
and	O
Wii	B-Operating_System
.	O
</s>
<s>
Since	O
version	O
11	O
,	O
RealPlayer	B-Application
SP	I-Application
has	O
gained	O
Flash	B-Operating_System
Video	I-Operating_System
support	O
,	O
DVD	O
,	O
SVCD	O
,	O
VCD	O
burning	O
(	O
120-minute	O
)	O
,	O
and	O
video	O
recording	O
(	O
DRM	O
is	O
supported	O
)	O
.	O
</s>
<s>
As	O
of	O
2008	O
,	O
RealPlayer	B-Application
Enterprise	I-Application
is	O
a	O
licensed	O
product	O
for	O
enterprise	O
applications	O
which	O
can	O
be	O
customized	O
and	O
remotely	O
administered	O
by	O
RealPlayer	B-Application
Enterprise	I-Application
Manager	O
.	O
</s>
<s>
The	O
free	O
Realplayer	B-Application
Enterprise	I-Application
Education	O
Edition	O
has	O
been	O
removed	O
.	O
</s>
<s>
Both	O
versions	O
of	O
Realplayer	B-Application
Enterprise	I-Application
are	O
lightweight	O
,	O
ad-free	O
versions	O
of	O
RealPlayer	B-Application
,	O
missing	O
most	O
consumer	O
features	O
and	O
most	O
plug-in	B-Application
support	O
.	O
</s>
<s>
The	O
RealSched.exe	B-Application
update	O
reminder	O
can	O
be	O
disabled	O
in	O
two	O
steps	O
,	O
and	O
it	O
is	O
not	O
reinstalled	O
upon	O
running	O
the	O
player	O
.	O
</s>
<s>
While	O
RealPlayer	B-Application
for	O
macOS	B-Operating_System
had	O
been	O
distributed	O
(	O
for	O
free	O
)	O
in	O
the	O
past	O
,	O
no	O
macOS	B-Operating_System
version	O
of	O
RealPlayer	B-Application
is	O
available	O
for	O
download	O
from	O
the	O
Real	O
site	O
.	O
</s>
<s>
The	O
last	O
stable	O
release	O
included	O
Real	O
's	O
Helix	B-Application
playback	O
engine	O
for	O
RealAudio	B-Algorithm
and	O
RealVideo	B-Algorithm
,	O
a	O
10-band	O
equalizer	O
and	O
video	O
adjustment	O
controls	O
,	O
and	O
a	O
full-screen	O
,	O
resizable	O
"	O
theater	O
mode	O
"	O
for	O
video	O
playback	O
,	O
as	O
well	O
as	O
many	O
features	O
found	O
in	O
its	O
Windows	O
counterpart	O
.	O
</s>
<s>
Since	O
the	O
release	O
of	O
version	O
10	O
on	O
January	O
7	O
,	O
2004	O
,	O
RealPlayer	B-Application
had	O
become	O
much	O
more	O
closely	O
integrated	O
with	O
macOS	B-Operating_System
including	O
features	O
such	O
as	O
:	O
</s>
<s>
An	O
integrated	O
Web	B-Application
browser	I-Application
based	O
on	O
Apple	O
's	O
WebKit	B-Language
framework	O
,	O
resulting	O
in	O
RealPlayer	B-Application
and	O
Safari	B-Application
sharing	O
cookies	O
.	O
</s>
<s>
Support	O
for	O
Bonjour	B-Application
to	O
share	O
Internet	O
favorites	O
.	O
</s>
<s>
Cocoa	B-Operating_System
user	O
interface	O
.	O
</s>
<s>
All	O
available	O
versions	O
of	O
RealPlayer	B-Application
for	O
macOS	B-Operating_System
are	O
32-bit	O
,	O
thus	O
the	O
program	O
can	O
only	O
run	O
up	O
to	O
macOS	B-Device
Mojave	I-Device
due	O
to	O
32-bit	O
app	O
support	O
being	O
dropped	O
in	O
Catalina	B-Device
.	O
</s>
<s>
RealPlayer	B-Application
for	O
Linux/Unix	O
was	O
developed	O
separately	O
from	O
the	O
Windows	O
and	O
Mac	O
versions	O
.	O
</s>
<s>
The	O
client	O
is	O
based	O
on	O
the	O
open-source	B-Application
Helix	B-Application
Player	I-Application
which	O
can	O
be	O
found	O
at	O
the	O
Helix	B-Application
Community	I-Application
Website	O
.	O
</s>
<s>
It	O
supports	O
Windows	B-Device
Media	I-Device
7/8	O
,	O
RealAudio/Video	O
,	O
MP3	B-Application
and	O
Ogg	B-Algorithm
Vorbis	I-Algorithm
.	O
</s>
<s>
The	O
interface	O
depends	O
on	O
the	O
current	O
GTK+	B-Application
theme	O
.	O
</s>
<s>
The	O
Android	B-Application
version	O
of	O
RealPlayer	B-Application
is	O
currently	O
available	O
as	O
a	O
free	O
download	O
from	O
the	O
Google	O
Play	O
Store	O
.	O
</s>
<s>
It	O
supports	O
Real	B-Algorithm
Audio	I-Algorithm
,	O
Real	B-Algorithm
Video	I-Algorithm
,	O
MP3	B-Application
,	O
3GP	O
,	O
AMR	B-Algorithm
,	O
and	O
other	O
media	O
formats	O
.	O
</s>
<s>
The	O
Symbian	B-Operating_System
version	O
of	O
RealPlayer	B-Application
allows	O
mobile	O
phones	O
to	O
play	O
Real	B-Algorithm
Audio	I-Algorithm
,	O
Real	B-Algorithm
Video	I-Algorithm
,	O
MP3	B-Application
,	O
3GP	O
,	O
AMR	B-Algorithm
,	O
and	O
other	O
media	O
formats	O
.	O
</s>
<s>
It	O
is	O
provided	O
as	O
freeware	B-License
.	O
</s>
<s>
In	O
newer	O
Symbian	B-Operating_System
devices	O
it	O
can	O
also	O
be	O
used	O
to	O
stream	O
both	O
audio	O
and	O
video	O
content	O
in	O
the	O
form	O
of	O
MP3	B-Application
(	O
music	O
)	O
and	O
3GP	O
(	O
videos	O
)	O
.	O
</s>
<s>
RealPlayer	B-Application
1.6.1	O
(	O
US	O
)	O
or	O
RealPlayer	B-Application
1.6.0	O
(	O
worldwide	O
)	O
is	O
available	O
for	O
free	O
for	O
PalmOne-made	O
Palm	B-Operating_System
OS	I-Operating_System
5	O
devices	O
,	O
such	O
as	O
the	O
Palm	B-Application
Tungsten	I-Application
or	O
Zire	B-Application
series	O
.	O
</s>
<s>
It	O
is	O
also	O
compatible	O
with	O
RealPlayer	B-Application
Music	O
Store	O
tracks	O
.	O
</s>
<s>
However	O
,	O
they	O
will	O
neither	O
install	O
nor	O
run	O
on	O
non-PalmOne-made	O
devices	O
like	O
Sony	O
's	O
Clie	B-Application
line	O
of	O
PDAs	O
.	O
</s>
<s>
Realplayer	B-Application
for	O
Palm	B-Operating_System
OS	I-Operating_System
does	O
not	O
support	O
later	O
Palm	O
smartphones	O
such	O
as	O
the	O
treo	O
700p	O
,	O
755p	O
,	O
or	O
Centro	O
,	O
although	O
the	O
treo	O
600	O
and	O
650	O
are	O
listed	O
as	O
supported	O
devices	O
.	O
</s>
<s>
RealJukebox	B-Application
was	O
a	O
computer	B-Application
program	I-Application
released	O
by	O
RealNetworks	O
that	O
allowed	O
users	O
to	O
organise	O
their	O
digital	O
music	O
.	O
</s>
<s>
By	O
late	O
2001	O
,	O
the	O
functions	O
of	O
the	O
program	O
had	O
been	O
integrated	O
into	O
the	O
Real	O
's	O
core	O
media	O
player	O
program	O
,	O
RealPlayer	B-Application
.	O
</s>
<s>
Past	O
versions	O
of	O
RealPlayer	B-Application
have	O
been	O
criticized	O
for	O
containing	O
adware	O
and	O
spyware	O
.	O
</s>
<s>
In	O
1999	O
security	O
researcher	O
Richard	O
M	O
.	O
Smith	O
dissected	O
some	O
of	O
RealJukebox	B-Application
's	O
network	B-Protocol
traffic	I-Protocol
and	O
discovered	O
that	O
it	O
was	O
sending	O
a	O
unique	O
identifier	O
with	O
information	O
about	O
the	O
music	O
titles	O
to	O
which	O
its	O
users	O
were	O
listening	O
.	O
</s>
<s>
Their	O
download	O
page	O
stated	O
RealJukebox	B-Application
included	O
privacy	O
enhancements	O
and	O
gave	O
a	O
link	O
to	O
the	O
privacy	O
policy.PC	O
World	O
magazine	O
named	O
RealPlayer	B-Application
(	O
1999	O
Version	O
)	O
as	O
number	O
2	O
in	O
its	O
2006	O
list	O
"	O
The	O
25	O
Worst	O
Tech	O
Products	O
of	O
All	O
Time	O
"	O
,	O
writing	O
that	O
RealPlayer	B-Application
"	O
had	O
a	O
disturbing	O
way	O
of	O
making	O
itself	O
a	O
little	O
too	O
much	O
at	O
home	O
on	O
your	O
PC	O
installing	O
itself	O
as	O
the	O
default	O
media	O
player	O
,	O
taking	O
liberties	O
with	O
your	O
Windows	O
Registry	O
,	O
popping	O
up	O
annoying	O
'	O
messages	O
 '	O
that	O
were	O
really	O
just	O
advertisements	O
,	O
and	O
so	O
on.	O
"	O
</s>
<s>
In	O
2007	O
,	O
it	O
placed	O
RealPlayer	B-Application
,	O
versions	O
1996	O
–	O
2004	O
,	O
at	O
number	O
5	O
in	O
its	O
list	O
The	O
20	O
Most	O
Annoying	O
Tech	O
Products''	O
.	O
</s>
<s>
US-CERT	O
has	O
issued	O
multiple	O
security	O
advisories	O
reporting	O
defects	O
which	O
allowed	O
remote	O
sites	O
to	O
use	O
RealPlayer	B-Application
to	O
execute	O
attack	O
code	O
.	O
</s>
<s>
Real	O
Alternative	O
is	O
a	O
codec	O
which	O
allows	O
RealMedia	O
files	O
to	O
be	O
played	O
without	O
the	O
installation	O
of	O
the	O
RealPlayer	B-Application
software	O
.	O
</s>
