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芬兰的Vstacom Industres Oy公司声称它们已研制出欧洲第一台可以立即投放市场的电视电话。这种电视电话系统的主要部件是名叫V deo Codec-64的图象传送设备,这种设备可以把彩色电视图象压缩到它原先信息量的1/1500。这种设备的诞生使人们能以传送速率为64000位/秒把要传送的活动彩色电视图象在数字电话单波道中传送。除了V deoCodec-64 以外还需有一部标准摄象机和一个图象监控器。已经为野外实地试用研制出带有
Vstacom Industres Oy of Finland claims they have developed the first videophone in Europe that can be put on the market immediately. The main component of the videophone system is the Vdeo Codec-64 image delivery device, which is capable of compressing color television images to 1/1500 of its original volume. The birth of this device enabled one to transmit a moving color television picture to be transmitted in a digital telephone single channel at a transfer rate of 64,000 bits / second. In addition to the V deoCodec-64, a standard camera and an image monitor are required. Field trial has been developed with the field