BigBlueButton Overview

BigBlueButton is an active open source project that focuses on usability, modularity, and clean design -- both for the user and the developer. The project is hosted at Google Code

BigBlueButton is built by combining over fourteen open source components. The following diagram gives an overview of its capabilities

overview

Roles

There are three user roles in BigBlueButton: viewer, presenter, and moderator

Viewer: are users who have no authority within the conference; their primary role is to view the presentation as well as chat amongst other participants. In a course the viewer would be the students.

Presenter: has all the same capabilities as a participant, with the added features of uploading presentations and sharing their desktop

Moderator: has all the capabilities as a participant, with the added features of uploading presentations and sharing their desktop.

Viewer

The following is the overview of the features for a participant.

Raise Your Hand

raise_handThe Web Participants window lets you see all the users logged into the current session. Any user can raise their hand to get the attention of the presenter.

See all Participants

The Voice window shows all the users that are currently connected to the voice conference bridge, either by calling in directly or using the built-in voice over IP client.

Watch presentations

zoomThe presentation window displays the current presentation Participants can zoom in the presentation using the slider, as we navigated through the slides using the arrow button

Public and Private Chat

dropdown_MenuThe Chat window enables all participants to conduct public or private chats

See each other

webcamShare video over the web using a built or external webcam. Multiple participants and a presenter can be sharing their video simultaneously

See the Presenters cursor

pointerWithin the presentation window, viewers are able to see where the presenter is pointing to by the indication of a red circle

Presenter

The following is the overview of the features for a presenter

You are the Presenter

presenterUsers with the role of presenter appear with a presenter icon next to their name.

Mute or Eject Participants

muteYou can and un-muting participants in the conference by clicking the icons located at the bottom left side of the module. You can also eject participants from the voice conference by clicking on their name and then clicking the eject button

Share any PDF or Office documents

raise_handA presenter is able to upload any PDF or Office document. You can upload multiple documents and switch between them during the presentation. All participants see the current slide as the presenter moves through their presentation.

Share your Desktop

deskShareAs a presenter you have the capability of sharing your desktop with others in the conference. When you share your desktop, BigBlueButton will launch a Java Applet that asks for your permissions to run. You have the option of sharing a portion of your desktop or the entire screen.


Moderator

The following is the overview of the features for a moderator

Make a presenter

make_presenterAs a moderator you make anyone (including yourself) a presenter by clicking the participants name and then clicking on the presenter icon.