*
ISO
mPeG
‐
4
version
1
*
Windows
media
Video
9
screen
*
Windows
media
screen
version
7
Windows
media
audio
(Wma)
codecs
Æ
Windows
Media
also
has
a
variety
of
audio
codecs
optimized
for
different
uses.
‐
These
include:
*
Windows
media
audio
9
*
ACELP.net
*
Windows
media
audio
9
Voice
*
Windows
media
audio
9
Professional
*
Windows
media
audio
9
lossless
Exporting
to
realmedia
format
Æ
RealMedia
is
the
oldest
real
‐
time
streaming
web
format
‐
Unlike
Windows
Media,
most
RealMedia
tools
specify
the
total
data
rate
from
which
audio
data
rate
is
subtracted
to
leave
video
data
rate.
However,
some
tools
don’t
use
this
method.
‐
You
can
use
realmedia
for
streaming
delivery
Æ
Unlike
Windows
Media,
it
can
mix
and
match
codecs
in
different
streams.
All
streams
must
share
the
same
frame
size,
which
can
limit
scalability.
‐
You
can
use
realmedia
for
progressive
download
Æ
While
RealMedia
is
mainly
considered
a
streaming
format,
it
has
supported
the
excellent
.rmvb
2
‐
pass
VBR
progressive
mode
for
several
years.
These
files
actually
use
a
different
extension
than
the
standard
.rm
files,
indicating
that
the
files
won’t
work
when
placed
on
a
streaming
server.
‐
You
can
using
realmedia
for
disc
‐
based
delivery
Summary of Contents for XL1 3CCD
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