An audio CAPTCHA to distinguish humans from computers
CAPTCHAs are employed as a security measure to differentiate human users from bots. A new sound-based CAPTCHA is proposed in this paper, which exploits the gaps between human voice and synthetic voice rather than relays on the auditory perception of human. The user is required to read out a given...
| Main Authors: | , , , , |
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| Other Authors: | |
| Format: | Book Section |
| Published: |
IEEE Computer Society
2010
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| Online Access: | https://eprints.nottingham.ac.uk/1343/ |