How Would You Design a Captcha for the Deaf-Blind?

kesuki asks: "Right now, the state of the art captcha only works for the visually-abled. Some people are trying to start a grass roots opposition to catcha using existing anti-discrimination laws. However, without any captcha at all, spammers would have a field day. Audio captcha would work for the blind, of course, but they still leave out the deaf-blind using brail interpreters to use their computers and navigate the web. What system of captcha can you dream up that would work for the deaf-blind?"

Comments

e-bay or paypal already has this

[SmallFurryCreature]

To lazy to check but very recent I saw that during signup you can also have the catchpa spoken out. It was a regular link so a speech to text browser should be able to detect as well the poor sighted.

Is it secure? Well I suppose both speech and sight can be regonized by software. Just make the sound with background noise that humans have no trouble with but machines do. Same as the visual ones.

Really the question seems immensly stupid to me. Gee, we got blind people who can't see a piece of text. Oh my god how could we possibly solve this. Gee if only we had some tech that could you know get info to a blind person.

SOUND YOU TARD.