Bandwidth requirements for video transmission of american sign language and finger spelling

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Science  14 Nov 1980:
Vol. 210, Issue 4471, pp. 797-799
DOI: 10.1126/science.7433998


Although current video communication schemes use a bandwidth on the order of 1 megahertz, the bandwidth required for video communication of American Sign Language by a simple raster scan is only approximately 20 kilohertz.