The roles of the multimedia communications on the plant

摘要

Modality choice of participants in media conferencing is analyzed in this paper. Firstly. the role of multimedia in plant operations is mentioned. Secondly, the problem of communication by telephone among the plant operators is described. Thirdly. model conferencing is done in nine combinations of media which include text, sound and image. The following conclusions were obtained from the results 1) the task efficiency depends on the combination of media. 2) sound should be used in simple task, and 3) image should be used when solving a complicated problem.