00000nam 2200000zi 4500 9.891857 CaOODSP 20221107173012 m o d f cr cn||||||||| 200928e197411##onca ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- Co24-3/8-670-1974E-PDF Billowes, C. A., author. An audio-graphics system for teleconferencing / by C.A. Billowes, G.W. Jull, H.C. Frayn, W.S. Tigges and M.A. MacLellan. Ottawa : Communications Research Centre, Department of Communications, November 1974. 1 online resource (iii, 13 pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier CRC Technical Note ; no. 670 Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. Includes bibliographical references (page 12). "This report describes an experimental audio teleconferencing system installed between Communications Research Centre, Shirley Bay, Ottawa, and the Department of Communications Headquarters, 100 Metcalfe St., Ottawa (a separation of 12 miles). This audio tele-conferencing system is augmented by a variety of visual indicator signals for talker identification and "wish-to-talk", and a number of graphics transmission facilities.It is being used as a research facility to determine characteristics of teleconferencing meetings and desirable technical characteristics for teleconferencing systems"--Summary, page 1. Teleconferencing Canada Equipment and supplies. Audio-visual equipment Canada. Téléconférences Canada Appareils et matériel. Équipement audiovisuel Canada. Canada. Department of Communications, issuing body. Communications Research Centre (Canada), issuing body. CRC technical note ; no. 670. (CaOODSP)9.882494 PDF 781 KB https://publications.gc.ca/collections/collection_2020/isde-ised/Co24/Co24-3-8-670-1974-eng.pdf