电视机的清晰度,1080P是什么意思?

2025-03-14 21:53:10
推荐回答(2个)
回答1:

数字高清晰度电视简称为HDTV,通用规范标准为:图像清晰度大于等于720电视线.或达到1080线隔行扫描方式、分辨率 1920 *1080的电视信号;宽屏模式为16:9,并且采用多通道传送.
HDTV的扫描格式共有3种,即1280*720p、1920*1080i和1920*1080p.
我国指标为1920*1080i/50Hz.
1080i和1080P都是国际上认可的数字高清晰度电视标准.其中字母i代表隔行扫描,字母P代表逐行扫描.而1080、720则代表垂直方向所能达到的分辨率.
电视画面每秒可分为24帧——如电影画面每秒放映24幅画面.逐行扫描P意味每帧电视画面电视扫描线是从1逐行扫描到1080帧,隔行扫描是先从1、3、5~再从2、4、6~的扫描方式.逐行扫描的清晰度高于隔行扫描.
1080P是目前最高规格的家用高清信号格式.
面前我国的电视厂家出产的电视机,以逐渐向1080P的逐行扫描方式倾斜.
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回答2:

1080P是一种视频显示格式,是美国电影电视工程师协会(SMPTE)制定的最高等级高清数字电视的格式标准,是数字电影成像技术和计算机技术的完美融合。

有效显示格式为:1920×1080,像素数达到207.36万。

帧率通常为60Hz,可标示在p后面,如1080p30,意思是30Hz。常见的帧率还有24、25、30。并非HDMI就一定有1080p的输出,画面不一定要能支持1920×1080才能算是1080p输出,只要水平扫描线超过1080条就能称之为1080p,水平像素点并没有严格的规范,Full HD才是规范垂直与水平扫描像素的标准,1080p仅规范垂直像素点(等同水平扫描线)。

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