Specs 看懂视频分辨率

阅读(983)

2K、4K是以宽边的像素来说的,如4K=4096x2160;
720p、1080p是以窄边的像素来说的,如720p=1280x720

汇总各种叫法如下:

  • 240p(VCD)
  • 480p(720x480,SD,标清)
  • 720p(1280x720,HD,高清)
  • 1080p(1920x1080,“2K”[此处有争议],FHD,全高清,超清),电影院级别
  • 2160p(4092x2169/3840x2160,4K,UHD,超高清)
  • 4320p(8192x4320/7680x4320,8K,FUHD)

蓝光(BD),是一种存储方式,多为1080p。

Youtube上分为以下几类:

  • 2160p: 3840x2160
  • 1440p: 2560x1440
  • 1080p: 1920x1080
  • 720p: 1280x720
  • 480p: 854x480
  • 360p: 640x360
  • 240p: 426x240

Refer:

  1. https://www.zhihu.com/question/19771090
  2. https://www.zhihu.com/question/20106926
  3. https://support.google.com/youtube/answer/6375112?hl=en