映像ハンドリング支援のための映像蓄積転送装置の検討

抄録

A development of video storage and transmission equipment is presented. First, requirements for this equipment are discussed from a standpoint of video handling view such as displaying, editing. Next, the techniques to achieve these requirements are described. Then specifications of developed equipment are described. This equipment consists of video/audio codecs, digital storage media (magnetic hard disc) and a terminal adapter for N-ISDN. It is controlled by the workstation and has three major functions ; normal and semi reverse playback and limited random access, editing of stored video signals, high-quality video transmission through a low speed channel by using longer transmission time than coding time.