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reCAPTCHA with UAC demo

When the captcha is in Audio mode (selected by clicking the button with the speaker icon), the following controls are available:
  • Typing a period (.) in the box will cause the captcha to play, and pressing it again will pause playback.
  • Typing a comma (,) will rewind the captcha by 1 second, and then continue playing.
  • Typing a forward slash (/) will fast-forward the captcha by 1 second and then continue playing.

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This work is supported by National Science Foundation Grant (IIS-0415273)
Comments to Jeffrey P. Bigham