H.261 (networking, standard) A video compression standard developed by ITU-T before 1992 to work with integrated service digital network. Data is compressed at the rate of 64P kilobits per second, where P can range from 1 to 30 depending on the number of ISDN channels used. This standard was developed primarily to support video phones and video conferencing.
See also ivs. http://crs4.it/~luigi/MPEG/mpeggloss-h.html#H.261. [Date? Details?] Last updated: 1994-11-03
