5. ASF / WMV (Advanced Streaming Format) format (. Asf. Wmv) (video portion of the use of Windows Media Video encoding, WMV (Windows Media Video) is Microsoft's family of video codecs, including WMV 7, WMV 8, WMV 9, WPV 10 are based on mepg standard audio portion of the use of Windows Media Audio Coding)
Microsoft has introduced the Advanced Streaming Format (ASF, Advanced Streaming Format), is also a real-time transmission of multimedia in the Internet technical standards, Microsoft's corporate ambitions are large, hitu with the ASF to replace the QuickTime sort of technical standards. ASF's main advantages include: a local or network playback, scalable media types, component download, as well as the expansion and so on. ASF application of the main components is the NetShow server and NetShow players. Have an independent encoder media information compiled into a ASF stream, and then sent to the NetShow server, and then from the NetShow server will send the ASF stream to the network all the NetShow player, in order to achieve one-way broadcast or multicast. This is the real-time broadcast of Real systems are similar.