How to implement an audio Captcha for your website.
Includes a review of Captcha in general, a discussion Section 508 compliance and an illustration of a simple front end for the audio Captcha as well as a detailed explanation of David's audio CAPTCHA implementation.
Suggestions for customized audio alternatives to achieve better site integration are also discussed.
David Summer Communications website
for a simple demonstration of this audio Captcha.
offers Contact Complete
, a unique complete Contact Form solution that uses Ajax technology for smooth operation and incorporates a synchronized audio and visual Captcha.