Now showing items 1-3 of 3

  • Adapting x264 to asynchronous video telephony for the Deaf 

    Ma, Zhen Yu; Tucker, William David (Telkom, 2008)
    Deaf people want to communicate remotely with sign language. Sign language requires sufficient video quality to be intelligible. Internet-based real-time video tools do not provide that quality. Our approach is to use ...
  • Asynchronous video telephony for the Deaf 

    Ma, Zhen Yu; Tucker, William David (Telkom, 2007)
    The South African Deaf community has very limited telephony options. They prefer to communicate in sign language, a visual medium. Realtime video over Internet Protocol is a promising option, but in reality, the quality ...
  • Reflection on three years of rural wireless Internet Protocol communication 

    Tucker, William David; Blake, Edwin H.; Marsden, Gary; Pearson, Murray; Westerveld, Rudi (Telkom, 2007)
    This paper reports on three years of research and fieldwork with a rural wireless Internet Protocol communication project. We built a long-range WiFi network and custom communication software to support a rural telehealth ...