Posted by: wireless80211 | June 16, 2009

Video Resolution : D1, CIF, QCIF

D1

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)

也是古老的定義,resolution:

  • 176×144 PAL
  • 176×120 NTSC

QCIF剛好是1/4的CIF

http://checko.blogspot.com/2006/03/video-resolution-d1-cif-qcif.html

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.
About these ads

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

Categories

Follow

Get every new post delivered to your Inbox.

%d bloggers like this: