What signal are you looking at on the scope? If you are looking at NTSC for the US it should be 7.5ire to 100ire. If you are looking at a digital scope and an sdi signal 0 to 100 is correct as in 0mV to 700mV. 0 in 601/709 should be mapped to 7.5ire for US NTSC. For the Japanese NTSC there is no setup and 0 would be mapped to 0ire. HTH
--- In Avid-L2@yahoogroups.com, mike cardeiro <mcardeiro@...> wrote:
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> We just finished a color correct for an HD project. I am looking at the luma values on a scope and they go down to 0 and above 100 ire. I started to freak out until it occurred to me that those standards were created for over the air ntsc broadcast.
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> Do I still need to worry about this in hd or am I just being a paranoid dinosaur?
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> Mike Cardeiro
> Editor/Animator
> D4 Creative Group - Philadelphia, PA
> 215-483-4555
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> http://www.michaelcardeiro.com/resume/
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> [Non-text portions of this message have been removed]
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