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MultiQ Digital Signage – DSMS 3 User’s Manual Ver. 2, 2010-06-08
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Media files are organized into playlists. A playlist is a sequence of images, web pages and video clips
that are repeated continuously. Each portion of a playlist (video clip, image or webpage) is called a spot.
Therefore a playlist can be regarded as a repeated (looped) sequence of spots.
The reason why playlists are used in digital signage is that each customer stays only for a short while in
the proximity of the screen. This means that there are always new people to watch the message and
this result in a need for repetition. The length of a playlist may vary depending on where the monitor is
located and the application. In a store people may not stay in front of a monitor for more than a few
minutes while in an airport lounge they may stay for half an hour or more. These circumstances have a
large impact on the choice of length of playlists.
Figure 24. The media files are arranged into playlists that are repeated in a loop.
Organizing playlists into channels
In the exercises you will learn how to create playlists and to organize the playlists into group playlists or
channels. There is a special reason for using this procedure that may at a first glance seem a bit too
ambitious.
It is possible to associate a particular spot or playlist directly to a media player to have it played instantly.
However this is a very complicated way of handling content when it comes to updating a large number
of media players. If you associate a media specific file to a media player and you want to have it
replaced you either will need to manually associate another file to each of the media players in your
system on an individual basis or to create another file having the same name. The same problem occurs
with playlists. If you have a playlist connected directly to a number of media players you to either have to
stick to one playlist name or to replace the playlist file in each of the media players on a one-by-one
basis. This is not very practical. Therefore a better choice is to define a group of playlists (Group
Playlist). This is also called a channel. Having a fixed channel associated to a number of media players
means that you have a great flexibility when it comes to updating and changing the structure of the
content without manually changing the configuration of each media player. If you make a change in the
channel it will affect all of the media players using that channel automatically. By doing this you keep
the content separated from the infrastructure of your digital signage system and you do not have to
think about individual media players when making an update to your content.