The Alea intelligaze IG30 is an unit that "bolts-on" to most modern USB enabled computer systems, giving the option of eyegaze control. The unit contains a camera and illumination and can be attached to most TFT screens or tablet-based PCs or communication aids using the provided VESA-mount adapter.
It does require its own separate power source, which can be tricky if you are having to power the monitor and computer already. One of the advantages of using the Alea with the Powerbox communication aid is that an extra power adaptor is not required – the Alea gets its charge from the Powerbox's additional battery unit. In this way it becomes a portable eyegaze system.
The Alea does come with its own software – notably the Application Centre, which allows an eyegaze user to select items more easily than using the mouse-controlled mode in Windows, and it also includes facilities to calibrate, re-calibrate and configure the eyegaze options.
Calibration of the Alea can be done with between 1 to 16 points. You can also adjust the target accuracy to make it easier for a user who's struggling to get a successful calibration. Other options allow you randomise the calibration points, provide audio feedback to these calibration points and a slow (or step-through) mode. You can also set a image as a calibration point. It will allow one (left or right) or two eye calibration – useful for those with a strabismus (squint) or other visual difficulty.
The track status window can be brought up at any stage using a keyboard shortcut while the Alea intelligaze software is running. It can either show a black and white image of the users face or a graphical representation (shown below) – coloured as green (good), yellow or red (failing to see the eyes).
When in mouse control mode the user can bring up a toolbar (shown below) by looking at offscreen to the left. Looking right brings up a settings and application launcher link. Mouse control options include single-left click, single-right click, double left click, drag & drop, off, and zoom.
This is possible either using the Grid 2 or Alea’s own Application Centre software (shown below). When using the latter you are able to select how the user interacts with the software – either using Dwell, Blink or other selection method. You can adjust the the dwell time, the debounce time, display of mouse control options, and whether the software makes use of Alea’s integrated software.
The Alea team have been working on modifications to standard software to make the eyegaze system work better than just mouse controlled mode. This includes Clicker 5, but full list of software was not available at the time of writing.
Hybrid method used.
1 USB cable, 1 power adaptor
40 ms (0.4 seconds)
0.5 to 1 degreee
30 x 20 x20 cm3 (WxHxD)
More than 512 MB (more than 1GB on Windows VISTA)
Windows XP SP2+, Vista, Windows 7
P4 class, greater than 1.4GHz, dual-core and AMD systems supported
|Supplier(s):||Smartbox AT Ltd|
|Size||30.0 × 4.5 × 8.0cm|
|Max number of messages||Unlimited|
|Number of message levels||None|
|Speech type||Mainly Artificial|
|Environmental control notes:||
|Mobile phone capability||Text only|
|Battery life||Plug-in power supply required, or 8 hours if used with the Powerbox.|
Price is for Powerbox with the Grid 2 communication software
|Comm software included||Choice of 1 of The Grid 2|
Two year return-to-base warranty (third year optional at £250), free loan during repair. No screen damage cover.
Note that the information above is correct to the best of the ACE Centre's knowledge, but check with the supplier(s) if in doubt. We would be grateful if you could let us know of any errors - email email@example.com
giving the gift of communication
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