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信息压缩技术就是删除图像与声音数据中多余信息的技术。其基本概念是:“对同样信息不是多次重复记录,而是再利用前面的信息”以及“只用简单的表现方法来记录单调的部分”。也就是删除不必要部分。利用压缩技术,对过去不能处理的巨大信息量进行简化,使得大量的图像或声音经压
Information compression technology is the technology that removes redundant information in image and sound data. The basic concepts are: “not to repeat the same information multiple times, but to recycle the preceding information” and “to record the monotonous parts with a simple presentation.” That is to delete unnecessary parts. The use of compression technology, the past can not handle the huge amount of information to simplify, making a large number of images or sound pressure