海康的硬盘录像机高清的和标清区别

2025-03-15 10:29:32
推荐回答(2个)
回答1:

区别就在于录像的清晰度以及数据处理能力上,在预览的时候没有太大区别。
按你举例子,标清的处理能力上限为480P,而高清的处理能力上限则为1080P,那么高清的必然就具有比标清更强的兼容能力和可升级空间,如果两种机器设计方案相同,那么在480P模式下,提供的影像质量是相同的。

回答2:

对于“高清”和“标清”的划分首先来自于所能看到的视频效果。
1 由于图像质量和信道传输所占的带宽不同,使得数字电视信号分为HDTV(高清晰度电视)、SDTV(标准清晰度电视)和LDTV(普通清晰度电视)。
2 从视觉效果来看HDTV的规格最高,其图像质量可达到或接近35mm宽银幕电影的水平,它要求视频内容和显示设备水平分辨率达到1000线以上,分辨率最高可达1920×1080。
3 从画质来看,由于高清的分辨率基本上相当于传统模拟电视的4倍,画面清晰度、色彩还原度都要远胜过传统电视。而16:9的宽屏显示也带来更宽广的视觉享受。
4 从音频效果看,高清电视节目将支持杜比5.1声道环绕声,而高清影片节目将支持杜比5.1 True HD规格,这将给我们带来超震撼的听觉享受。

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