Hi All: I've been trying out an audio CAPTCHA from Google. It is the most difficult such CAPTCHA that I've encountered. In fact it is almost impossible to use. It has too many words and the background noise seems to be too loud relative to the actual words being spoken. My questions: First, can anyone recommend alternative audio CAPTCHA schemes that are usable yet meet the intended security purposes? Second, can anyone recommend alternative schemes that provide security and privacy with minimal human intervention as CAPTCHA does? Thanks for any information! Stan VICUG-L is the Visually Impaired Computer User Group List. Archived on the World Wide Web at http://listserv.icors.org/archives/vicug-l.html Signoff: [log in to unmask] Subscribe: [log in to unmask]