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【单选题】
数据压缩的实质是查找和消除信息的冗余量。被压缩的对象是原始数据,压缩后得到的数据是压缩数据,两者容量之比为压缩比。目前常用的多媒体数据压缩方法有两类:一是无损压缩,二是有损压缩。A.
无损压缩
B.
图片压缩
C.
视频压缩
D.
有偿压缩
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