cybermecha

Audio Turing Test

Researchers at Stanford have created software that can pass an audio version of the Turing test. Computer scientists at the Stanford Security Laboratory have discovered a way to crack audio captchas using software that can listen in and correctly output the string of random letters and numbers that websites use to test whether you're human or a malicious bot.

Captchas (short for "completely automated public Turing test to tell computers and humans apart") are typically images which show a series of characters crisscrossed by lines. However, for the visually impaired there are audio captchas which you listen to and then decode. Decaptcha is a program built by the researchers which recognizes unique sound patterns for letters and numbers. The program has been tested and works on Digg, eBay, Microsoft, Yahoo, and even reCAPTCHA, a company that creates captchas.

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