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MPEG-4 was opened by
MPEG (MovingPictureExportsGroup) in 1999 as the first edition
and was formally declared to be the international standard
in the early 2000. It differs greatly from both MPEG-1 and
MPEG-2. MPEG-4 content-based multimedia data access tools
and editing functions for the operation and bit-stream of
contents so that users could alternatively get the relative
items on interactive home shopping. With the perfect
technology of first-generation video encoding as the core
technology and other key technologies like video object
segmentation, Video Object encoding, scalability, motion
estimation and compensation, it becomes widely and safely
applied in internet. WMA is Windows Media Audio. WMA is a
new audio format developed by Microsoft well known as MP3.
With a higher rate in files compression and better sound
quality than the latter, even far beyond those of RA.
To convert mpeg4 to wma file: The
containers such as mp4, mov, avi, rm, mkv, ogm divx supports
mpeg-4 stream. please install the appropriate video filter
and audio filter for the mpeg4 format such as
FFDshow, divx, xvid, HDX4 codec, or MainConcept decoder.
Download
WMA Converter which can
convert mpeg4 to wma file. Select an mpeg4 file, set the
start time, the end time or audio encoding bitrate if
needed. The bitrate is bigger, the file size is bigger, the
audio quality is higher, and vice versa. Click the Convert
button to convert mpeg4 to wma.
3IVX created by 3ivx Technologies is
the basic coding for MPEG-4. It痴 a compression format based
on MPEG4 and quite similar to Xvid or DivX. 3IVX is not free
to create film with 3ivx encoding program, while which could
be freely downloaded and users need not setup Xvid and DivX
decoders again for 3ivx encoding program痴 being able to
play all formats that supported by MPEG4. Besides, owing to
high compression rate and fine image quality, it also
becomes a quite popular format on network.
To convert 3IVX to wma, please install
3ivx codec
filter. 3ivx is only codec, it can be contained in *.avi,
*.mp4, *.ogm, *.mkv file extension etc. Then convert a 3ivx
file for 3ivx to wma in the video converter. |
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