An audio CAPTCHA to distinguish humans from computers

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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...

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Bibliographic Details
Main Authors:	Haichang, Gao, Liu, Honggang, Yao, Dan, Liu, Xiyang, Aickelin, Uwe
Other Authors:	Yu, Fei
Format:	Book Section
Published:	IEEE Computer Society 2010
Online Access:	https://eprints.nottingham.ac.uk/1343/

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