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此问题等同于模拟和数字的差别:采集模拟信号可以没有失真,但传输时会有噪音。采集数字信号一定有失真,但传输时噪音极少。音响,电视,电话都是很好的例子。

kingmay (Alan)
(#322946@0)
2002-1-4 -04:00
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Back To Topic: 数码相机和传统相机谁的清晰度高 ? 我和我老公意见相左。请高手回答。这可关系到我俩使用计算机的优先权。

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