The Advanced Stream Redirector (ASX) format is a type of
XML
Extensible Markup Language (XML) is a markup language and file format for storing, transmitting, and reconstructing arbitrary data. It defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. ...
metafile designed to store a
playlist
A playlist is a list of video or audio files that can be played back on a media player either sequentially or in a shuffled order. In its most general form, an audio playlist is simply a list of songs, but sometimes a loop. The term has sev ...
of
Windows Media files for a
multimedia
Multimedia is a form of communication that uses a combination of different content forms such as text, audio, images, animations, or video into a single interactive presentation, in contrast to tradi ...
presentation
A presentation conveys information from a speaker to an audience. Presentations are typically demonstrations, introduction, lecture, or speech meant to inform, persuade, inspire, motivate, build goodwill, or present a new idea/product. Present ...
.
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
The Hypertext Transfer Protocol (HTTP) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web, ...
.
ASX files have
MIME
Multipurpose Internet Mail Extensions (MIME) is an Internet standard that extends the format of email messages to support text in character sets other than ASCII, as well as attachments of audio, video, images, and application programs. Messa ...
type
video/x-ms-asf
(as do
ASF files).
With the introduction of the and container formats in late 1990s, and extensions have also been introduced by Microsoft respectively.
Example
Example.com Live Stream
Short Announcement to Play Before Main Stream
Example radio
Example.com
Copyright © 2005 Example.com
Windows Media Player playlists
ASX can be used to print playlists done with
Windows Media Player
Windows Media Player (WMP) is the first media player and media library application that was developed by Microsoft for playing audio, video and viewing images on personal computers running the Microsoft Windows operating system, as well as ...
. To print a playlist, there are two main steps for those people that are familiar with Windows command lines and XSLT:
* Install an XSLT processor
* Export the playlist from the Windows Media Player with: Menu File -> Save current playlist
See also
; Other playlist file formats
*
M3U - The most common playlist format
*
PLS - SHOUTcast
*
XSPF - Xiph.Org Foundation
*
WPL - Windows Media Player
References
External links
MS Docs Simple ASX 2020
MS Docs ASX Elements Reference 2020
MS Docs Adding Windows Media to Web Pages (For Webmasters) 2020
Creating Customized Web Experiences with Windows Media Player 9 Series 2003
* http://edutechwiki.unige.ch/en/Advanced_Stream_Redirector
Microsoft Windows multimedia technology
Playlist file formats
Film and video technology
Playlist markup languages
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