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Closed GOP

kitty posted 2003 Feb 03 12:53

When encoding MPEG video, a Closed GOP is one that uses no referenced pictures from the previous GOP at the current GOP boundary. For example the GOP is closed when it starts with an I Frame and subsequent B Frames do not rely on I or P frames from the previous GOP. Also see Open GOP.

hkazemi posted 2008 Feb 12 23:14

In the first sentence above, "When encoding MPEG video, a Open GOP is one that uses no referenced pictures from the previous GOP at the current GOP boundary" I think the word 'Open' should be changed to 'Closed'. This becomes pretty clear if you also read the definition for 'Open GOP'.

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