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随着数字产业化的发展,在家电视听领域中不仅有VCD、DVD,目前又出现了CVD。CVD为何物?它和VCD、DVD有什么不同,面对三种产品,作为消费者,该如何选择? 要知道什么是CVD,首先要了解“数字视频技术”这个概念,简单地说,数字视频技术就是把通过摄像机等获得的运动图像进行计算机处理,转变为数字化图像,然后进行压缩,以便在光盘等媒介上存贮,或通过电缆等方式传输出去。在消费
With the development of digital industrialization, not only VCDs and DVDs have been found in the field of home audiovisual listening, but CVD now appears. What is CVD and what is the difference between it and VCD and DVD? How to choose as a consumer for the three products? To know what CVD is, we must first understand the concept of “digital video technology.” In short, digital video The technology is computerized processing of moving images obtained through cameras and the like into digitized images which are then compressed for storage on media such as optical discs or transmitted via cables or the like. In spending