Video Resolution : D1, CIF, QCIF


Full resolution for TV,可以是:

  • 704×576 TV PAL
  • 704×480 TV NTSC
  • 720×576 DVD-Video PAL
  • 720×480 DVD-Video NTSC

CIF (Common Intermediate Format)

以前是因為Video Conference而來,現在則沿用,代表以下resolution:

  • 352×288 PAL
  • 352×240 NTSC

CIF剛好是1/4 的D 1,又稱作Quarter D1。
Quter D1的名稱用在Video CD (VCD)中。

QCIF (Quater Common Intermediate Format)


  • 176×144 PAL
  • 176×120 NTSC


720i 720p 1080i 1080p

HDTV使用的resolution standard。

  • 720 代表 1280×720
  • 1080 代表 1920×1080
  • i 代表 interlaced.
  • p 代表 progressive.
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