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This is one of many help and support pages that are available about the University of Nottingham's Moodle online learning environment. If you have any questions or queries concerning Moodle then contact information is at the bottom of this one-page sheet. Please browse or use the SEARCH box below.

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Moodle Help & Support 

How to: manage filters to enhance module display   EASY

Filters can enhance how your module works e.g. by supplying access to multimedia players in the background to make video files play in the module more easily.  Below is how to turn select filters on and off in your module as well as a description of what each filter does within your module.

Note:  If a filter is on but you do not have anything in your module that uses it, it is not necessary to turn it off as it will not affect how your module works.

Accessing and managing filters

  1. Go into your module, Turn editing on
  2. Go to the Settings block > Module administration > Filters
  3. There are four filters that will be set to the default (as below).  To change the default for a filter select 'On' or 'Off' from the relevant drop-down box.


The Filters 

TeX notation

This allows for complex mathematical notations written in LATeX format to be converted into the appropriate mathematical expression in the mdoule content e.g. in a label.  See example below:

Multimedia plugins

This allows for videos linked to in the module content to be converted in an embedded type view to enable easy lay options.  The file types that are accepted by the filter are:

  • YouTube (displays videos hosted on youtube)
  • Vimeo (displays videos hosted on vimeo)
  • .mp3 - MPEG Audio Stream, Layer III
  • .flv - Flash video
  • .f4v - Flash video
  • .swf - Macromedia Flash animation File (Adobe, Inc.)

Note:  Required software on user's computer

Although Moodle prepares the media files to be played in the module, the actual playback is handled by various types of browser plug-in software, primarily Adobe Flash, Quicktime, Windows Media Player and Real Player. If users do not have these installed they will see a large icon for the required browser plug-in software not the video and may be prompted to go and install them. These pieces of software are generally free, easily installed and widely used so this will only be an issue for small numbers of users (extract from

MP3 files and downloading

It is not possible to have a single multimedia file that plays within Moodle AND can be downloaded from the same link. 

If you upload an MP3 file and select (or leave the default) Display (in Options) as Automatic or Embed then the file will play automatically in Moodle's embedded flowplayer (and it cannot also be downloaded).

If an mp3 file is uploaded with the Display setting  (under Options in the file creation/editing screen) is set to "Force download" then it will download to the student's device or computer but will not play automatically.

The workaround is to provide two versions of the file.  Upload one with each type of setting: one with default settings  (Automatic, or Embed), which will play in the embedded Moodle flowplayer - but cannot be downloaded and upload a second for which the Display (under Options in the file creation/editing screen) is set to "Force download". Give them different names so students can click on whichever suits them: "Lecture Recording (autoplay in Moodle)" and "Lecture Recording (mp3 for download)".

Alternatively set them all to Force Download only, then none of them will play automatically. It does mean that the students must have an MP3 player on their device or they will not be able to hear them which might exclude some students - you can decide whether this is relevant!


This filter will prove useful for modules where molecule rendering is required.  Where a modeling file is uploaded in e.g. the main module content page it will be displayed as a 3D image.  The 3D image can then be manipulated e.g. zoom and spin.  See example below:


Medical School formulary auto-linking

This filter is currently only for the use of the Medical School but may be expanded to other medical related schools in the future.  It provides a background search facility whereby frequently occuring medical terminology that features in an external formulary i.e. a glossary will be a URL to a more detailed definition in the glossary. 
Note:  Once the glossary is visited the only way to return to the module is to click on the back button, unless the URL is opened in a new tab.

Queries, comments or questions?

Please contact your local elearning support team.

Phone: (0115 95) 16677
or email:

Phone: (0574) 8818 0000 (ext. 8915)

or email:

Phone: (03) 8924 81 99
or email:


If you have any comments on how you think this help can be improved then please email