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Activities: OWLL oohoo Web-based Language Lab (formerly MoodLL)

Maintained by Picture of Patrick Thibaudeau Patrick Thibaudeau, Picture of Nicolas Bretin Nicolas Bretin
This is a new version (v3) of what used to be MoodLL. Basically, this replaces the traditional cassette tape language lab. There is a module for students to record themselves and teachers to review and grade the work. This version also includes a class monitor. So, if a teacher uses it inside the classroom, he/she can monitor student progress the same way they used the traditional language lab by listening to live streams of the students, responding live to students, giving a thumbs up and so on.
Moodle 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8

This new version is a complete rewrite. Although flash is still used for recording, the majority of the module is now in HTML5. We have rewritten all interfaces, making it  intuitive to use.

This module replaces traditional cassette based language labs.


Students view

  • New - VIDEO Recording Available
  • New - Flash configuration pops-up automatically when not configured.
  • New - Configuration button available on the page.
  • New - Intuitive New recording button.
  • New - player recorder with forward/rewind slider. Also more intuitive buttons.
  • New - Delete button. Students can now delete a recording. Recorded files are now deleted on the Red5 server.
  • New - Download as MP3 button
  • New - Raise hand button. In conjunction with the Class Monitor, students can notify teachers that they need help.

Teachers view


  • New - VIDEO Recording Available
  • New - Allow students to delete or not their records
  • New - Flash configuration pops-up automatically when not configured.
  • New - Configuration button available on the page.
  • New - Student list refreshes automatically. The teacher no longer has to reload the page in order tho see new recordings
  • New - Can delete student recordings
  • New - Can download student recordings in MP3 format
  • New - More intuitive interface
  • New - Player/Recorder forward/rewind slider
  • New - Intuitive Class Monitor. Listen to and speak to students individually or to the whole class.
  • New - Raise hand indicator to easily see which student needs help.
  • New - Recordings button. The teacher no longer has to leave the Class Monitor in order to listen to student recordings


  • New - RAP (Red5 Adapter Plugin). When properly configured, this plugin communicates with OWL and deletes, converts recorded files. This helps in keeping a clean server.
  • New - Files on the Red5 server are now in seperate folders according to activity.


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Picture of Patrick Thibaudeau
Patrick Thibaudeau (Lead maintainer)
Picture of Nicolas Bretin
Nicolas Bretin: Programmer
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  • Picture of Henry Chung
    Mon, Feb 9, 2015, 11:21 PM

    I'm having problems downloading recordings via the download button (I can record and delete recordings), when you highlight a recording and click download it displays a blank page with O displayed, I've had a look at the adapter.php file and it's at the case md5('download_mp3' . $salt): that is displaying 0. I'm using java8, avconv, also tried ffmpeg with same issue. The rap test page comes back ok, I've checked the config.xml, config.php and all are ok. I can convert the .flv files via command line so avconv works ok.

    Moodle 2.7
    Ubuntu 14.04
    red5 server 1.0.4
    apache 2.4.10
    php 5.5.12-2
    language lab version 2014112600
  • Picture of Alan Giverin
    Thu, May 7, 2015, 1:41 AM

    Just installed Language Lab today but getting a "connection to server message" when I try to set up an exercise.

    Any way of solving this problem.
  • Picture of jean-renaud despres
    Sat, May 16, 2015, 3:38 AM
    Hi. I have exactely the same problem. Hints? Thank you all.
  • Picture of Henry Chung
    Thu, May 21, 2015, 3:34 AM
    I had this issue but only on Firefox, worked fine on IE, Opera and Chrome. I had to refresh the page by pressing F5 or do a hard refresh (ctrl + F5) to get it to connect.
  • Picture of jean-renaud despres
    Thu, May 21, 2015, 3:46 AM
    Hi. For me it doesn't appears on my list with firefox. It does appear on IE but even with a hard refresh, it doesn't work... Thank you for your help.
  • Picture of Henry Chung
    Tue, May 26, 2015, 3:41 AM
    When you add an activity I assume Language Lab - OWLL shows up in the list, when you select that you should get a Flash pop up about selecting/allowing a microphone. Select and click ok, In order to record a master track in Firefox you need to disable Adobe Flash protected mode. Are you able to get this far? I assume that your red 5 server is running and the RAP test came back ok?
  • Picture of jean-renaud despres
    Tue, May 26, 2015, 4:06 AM
    Hello. I don' t have, the Flash pop, in any browser I 've tried ...

  • Picture of Henry Chung
    Fri, May 29, 2015, 6:49 PM
    Can you check your configuration by running the RAP test. Point your browser to
    you need to be logged into Moodle with a admin account
  • Picture of Hamed Azimi
    Tue, Jun 16, 2015, 6:56 PM

    I have the same problem with some other users and I get "Connecting to server..." error on the Language lab activity page. Any Hints?

  • Picture of Dion Gouws
    Tue, Sep 1, 2015, 3:52 PM
    I am also getting connecting to server but it does not go any further. I have done the raptest.php and get:

    Language Lab configuration checker
    Site is available

    Your Apache/PHP server is working, now checking RAP configuration...
    Congratulations, your RAP configuration is working!
    Checking the ffmpeg availability...
    Command "ffmpeg" founded and executable
    Checking the version of the RAP...
    RAP version version OK.

    The streaming server is running and available.

    Any advice will be much appreciated.

  • Picture of Dion Gouws
    Tue, Sep 1, 2015, 5:03 PM
    Is it possible that it only works with red version 1.0.0?
  • C'est moi :-)
    Tue, Jun 14, 2016, 5:13 PM
    I would like to know if this plugin is still maintained, and if there are plans to make it compatible with latest maintained Moodle versions (including 3.1)?
  • Picture of wz z
    Mon, Jun 20, 2016, 2:29 PM
    I have the same question whether it is compatible with Moodle 3.x? Anyone succeeded in installing it with Moodle 3.x?
  • Picture of Alex Hosmer
    Wed, Jun 22, 2016, 1:32 AM
    We've updated to Moodle 3.1 and it was broken. I had to remove it from the mod folder to complete the database upgrade. I hope to see it updated with webRTC tools to replace flash. Flash will be short lived for Chrome and Safari come this Fall.
  • Picture of Alex Hosmer
    Sat, Sep 24, 2016, 5:55 AM
    I wanted to update my last post. The version of this plugin has been updated in the Source Control URL: This version works fine with Moodle 3.1.
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