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• Audio-Visual Speech Understanding in Simulated Telephony Applications by Individuals with Hearing Loss

  Linda Kozma-Spytek, Paula Tucker, Christian Vogler · 2013 · Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper presents two within-subjects experiments (conducted in 2009 and 2012 with 24 and 22 participants respectively) investigating how video frame rate and audio-video synchrony affect speech understanding by people with hearing loss during simulated video telephone calls.…

  hearing loss · hard of hearing · lipreading · speechreading · video telephony

• Mixed Local and Remote Participation in Teleconferences from a Deaf and Hard of Hearing Perspective

  Christian Vogler, Paula Tucker, Norman Williams · 2013 · Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This experience report describes the accessibility challenges faced by deaf and hard of hearing members of the FCC's Emergency Access Advisory Committee (EAAC) during 2.5 years of collaboration with 25-30 hearing committee members in mixed local and remote meeting settings. The…

  deaf accessibility · hard of hearing · teleconferencing · videoconferencing · sign language

• A Web-Based Intelligibility Evaluation of Sign Language Video Transmitted at Low Frame Rates and Bitrates

  Jessica J. Tran, Rafael Rodriguez, Eve A. Riskin, Jacob O. Wobbrock · 2013 · Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper evaluates the perceived lower limits of intelligible sign language video for mobile communication, testing how much video quality can be sacrificed while maintaining comprehensibility for ASL users. The ITU-T recommends sign language video be transmitted at 25 fps at…

  sign language · American Sign Language · deaf accessibility · video compression · frame rate

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