WMV is a kind of ASF container format.
WMV contains video and audio streams respectively using
Windows Media Video codec and Windows Media Audio codec. It
is a compressed proprietary video file format for internet
streaming. Microsoft has developed several wmv codec version
4.0, 7.0, 9.0, 9.5, 11 at present.
ASF is Advanced Streaming Format. It
is an extensible file format developed primarily for storing
synchronized digital video, audio, subtitle streams, or
transmitting data on the internet. ASF is also a multimedia
container of Windows Media Video or Windows Media Audio.
To convert wmv to asf, please install
the latest Windows Media Player which contains the latest
wmv codec or decoder.
ASF Converter which can
convert wmv to asf file. Select a wmv file, Change the
output format to ASF in the Options dialog box, configure some
parameters such as the video encoding bitrate, audio
encoding bitrate, resolution, frame rate etc if necessary.
3IVX created by 3ivx Technologies is
the basic coding for MPEG-4. Itís 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 programís 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 asf, please install
filter. 3ivx is only codec, it can be contained in *.avi,
*.mp4, *.ogm, *.mkv file extention etc. Then convert a 3ivx
file for 3ivx to asf in the video converter.