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• Factors Affecting the Accessibility of Voice Telephony for People with Hearing Loss: Audio Encoding, Network Impairments, Video and Environmental Noise

  Linda Kozma-Spytek, Christian Vogler · 2021 · ACM Transactions on Accessible Computing

  This comprehensive study from Gallaudet University investigates how audio quality parameters affect voice telephony accessibility for people with hearing loss. The research combines a survey of 439 individuals with hearing loss and four controlled experiments involving 114…

  hearing loss · telecommunications · audio codecs · cochlear implants · hearing aids

• Voice Telephony for Individuals with Hearing Loss: The Effects of Audio Bandwidth, Bit Rate and Packet Loss

  Linda Kozma-Spytek, Paula Tucker, Christian Vogler · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This paper presents three experiments conducted over three years with a total of 114 individuals with hearing loss (68 cochlear implant users and 46 hearing aid users) and 12 hearing controls, investigating how audio quality parameters in telecommunications networks affect the…

  hearing loss · telecommunications · cochlear implant · hearing aid · audio quality

• 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

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