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Audio CAPTCHA: Usable Accessibility + Usable Security
http://assistech.iitd.ac.in/empower2018/abstracts/Audio%20CAPTCHA.pdf
Audio CAPTCHA: Usable Accessibility + Usable Security Abstract Visual CAPTCHAs are designed to be unreadable by machine, hence, are inaccessible to assistive technology users. Traditional Audio CAPTCHAs are theoretically accessible to visually impaired (VI) users but are often hard to solve with low success rate, i.e., below 50% and ...
Audio CAPTCHA Techniques: A Review | SpringerLink
https://link.springer.com/chapter/10.1007%2F978-981-10-8228-3_33
Abstract Audio CAPTCHA is a reverse Turing test to discriminate the user as human or bot using audio as a medium. As W3C guidelines mandate the need of accessibility of web for people with disabilities like visual or motor impairment, audio CAPTCHA is an essential form of CAPTCHA for web security.
Exploring Adversaries to Defend Audio CAPTCHA | IEEE ...
https://ieeexplore.ieee.org/document/8999236
Abstract: CAPTCHA is a web-based authentication method used by websites to distinguish between humans (valid users) and bots (attackers). Audio captcha is an accessible captcha meant for the visually disabled section of users …
CiteSeerX — An audio captcha to distinguish humans …
https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.297.1120
Abstract Abstract—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.
Audio CAPTCHA for SIP-Based VoIP - NASA/ADS
https://ui.adsabs.harvard.edu/abs/2009ecsp.book...25S/abstract
We focus on and develop audio CAPTCHA, as the audio format is more suitable for VoIP environments and we implement it in a SIP-based VoIP environment. Furthermore, we suggest and evaluate the specific attributes that audio CAPTCHA should incorporate in order to be effective, and test it against an open source bot implementation.
Breaking Audio CAPTCHAs - Carnegie Mellon University
https://www.cs.cmu.edu/~jdtam/Documents/Breaking_Audio_CAPTCHAs.pdf
Abstract CAPTCHAs are computer-generated tests that humans can pass but current computer systems cannot. CAPTCHAs provide a method for automatically ... proposed design of a new more secure audio CAPTCHA based on our findings. 2 Literature review To break the audio CAPTCHAs, we derive features from the CAPTCHA audio and use ...
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