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Re: why does my waveform say my blacks are below 0 IRE after I change the levels??/

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Re: why does my waveform say my blacks are below 0 IRE after I change the levels??/
by Jeff Brown on May 9, 2008 at 6:30:09 pm

[tyler smith] "i thought the green line on the right side of the waveform was represented peaks of blacks and whites"

Hoo boy, do i feel stoopid. You're right. I'm used to hardware 'scopes; so I made a wrong assumption. But in the image of your overall waveform, I don't really see anything below zero. Obviously, Premiere sees something there, and I'm not sure what.

[tyler smith] "Should i also be stretching the blacks and whites as close to the 0 and 100 IRE level as closely as possible?"

In my opinion --and take it for what it's worth-- see above ;>), you should not be stretching the levels "blindly". Scopes are good to make sure the technical aspects of the video are correct, but for visual decisions, you really need a calibrated monitor to judge the image. Use 'scopes to check your decisions, but trust your eyes too.

-jeff


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