cjb comments on Dying Outside - Less Wrong
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The voice banking software I'm using is from the Speech Research Lab at the University of Delaware. They say they are in the process of commercializing it; hopefully it will still be free to the disabled. Probably not looking for donations though.
Another interesting communications assistance project is Dasher. They have a Java applet demo as well as programs for PC and smart phones. It does predictive input designed to maximize effective bandwidth. A little confusing at first but supposedly after some practice you can type fast with only minimal use of the controls. I say supposedly because I haven't used it much, it's not clear what I might be controlling it with. I should practice with it some more, it sounds likely to be part of an overall solution. Would be cool to control it with BCI, sit back and just think to type your messages.
Everybody with ALS talks about how terrible it is, all the things you can't do any more. But nobody seems to notice that there are all these things you get to do that you've never done before. I've never used a power wheelchair. I've never controlled a computer with my eyes. I've never had a voice synthesizer trained to mimic my natural voice. If I told people on the ALS forums that I was looking forward to some of this, they'd think I was crazy. Maybe people here will understand.
Hi Hal. I'm sorry to hear of your diagnosis.
I spent two years as the maintainer of Dasher, and would be happy to answer questions on it. It's able to use any single analog muscle for control, as a worst case (and a two-axis precise device like a mouse as a best case). There's a video of using Dasher with one axis here -- breath control, as measured by diaphragm circumference:
http://www.inference.phy.cam.ac.uk/dasher/movies/BreathDasher.mpg
and there are videos using other muscles (head tracking, eye tracking) here:
http://www.inference.phy.cam.ac.uk/dasher/Demonstrations.html
Head-mice (you put an infra-red dot on some glasses or your forehead and then just move your head to move a pointer) are a common and cheap input method; they cost less than $100, and Dasher's very accepting of noisy input; if you oversteer in one direction you can just compensate later.
You're not the first person to consider Dasher with BCI -- here's a slightly outdated summary:
http://www.inference.phy.cam.ac.uk/saw27/dasher/bci/
All the best,