Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
4 results found tagged telecommunications.
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Dual Level Intraframe Coding for Increased Video Telecommunication Bandwidth
This paper from the Applied Science and Engineering Laboratories at the University of Delaware presents a dual-level video compression approach designed to make sign language transmission viable over bandwidth-limited telephone networks. The authors …
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Evaluating Quality and Comprehension of Real-Time Sign Language Video on Mobile Phones
This paper investigates the relationship between objective video quality metrics (PSNR — peak signal-to-noise ratio), subjective quality preferences, and actual comprehension of American Sign Language (ASL) video transmitted at very low bitrates on m…
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Factors Affecting the Accessibility of Voice Telephony for People with Hearing Loss: Audio Encoding, Network Impairments, Video and Environmental Noise
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 ex…
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Voice Telephony for Individuals with Hearing Loss: The Effects of Audio Bandwidth, Bit Rate and Packet Loss
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 telecommuni…