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.

Download 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. It’s 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’s 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 3ivx codec 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.