Doom9's Forum - View Single Post - IRE measuring & setting to or from 0 or 7.5 IRE

xbox360 · 27th November 2011, 00:35

Hi how can I measure the black level of a video in IRE ? then how can I convert that black level only to 0 or 7.5 IRE & leave the rest to be minimum 7.5 IRE ?

As far as I know, For a RGB range of 0 to 255, this will give an IRE range of 40 to 140.

27th November 2011, 00:35	#1 \| Link
xbox360 Registered User Join Date: Aug 2006 Location: Region 3 with NDS Encryption Posts: 355	IRE measuring & setting to or from 0 or 7.5 IRE Hi how can I measure the black level of a video in IRE ? then how can I convert that black level only to 0 or 7.5 IRE & leave the rest to be minimum 7.5 IRE ? As far as I know, For a RGB range of 0 to 255, this will give an IRE range of 40 to 140. Last edited by xbox360; 27th November 2011 at 00:41.