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Updated 08/11/2012Home » Video Glossary » ASX


The Advanced Stream Redirector (ASX) format is a type of XML metafile designed to store a playlist of Windows Media files for a multimedia presentation. It is used frequently on streaming video servers where multiple ASF files are to be played in succession. Both RTSP and MMS streaming protocols are supported, as well as HTTP.

ASX files have MIME type video/x-ms-asf (as do ASF files).

For more information on the ASX format, check this site on MSDN.