[Adam Swaab]

Yes. You helped. 🙂 I hope you didn’t interpret me thanking you as sarcasm.

I also posted on some other boards and got a few other responses that I’ll summarize here:

RESPONSE 1

Try using the Color Finesse Filter instead of the Broadcast colors, it has Luma and Chroma Limiting and some software vectorscopes where you can see how hot the video is, and how the histograms are responding.Setting it to something like this:

Soft Clip Knee Level: 60
Soft Clip White Level: 80
Soft Clip Max Leve: 110
Luma Hard Clip Level: 75-80

Chroma Max Limit: 100
Chroma Min Limit: -20

Should keep you within 75 IRE
Experiment a bit to see what those sliders do.

Chroma should not be an issue at such faded levels, but I threw in a little limiting.

RESPONSE 2

75% IRE white is RGB 191, 191, 191. However, on a SEMPTE 75% bars there is a 100% white square. So the scope will read the high end. 110 IRE is too hot… if that is what you sent them. 255 RGB?

Just go into your curve outputs and clip your spot down to 200 or so RGB and then out 75% bars on the head, I’ll bet they will accept it and it will look fine

RESPOSE 3
At PBS, white is considered 90 IRE for graphics, so don’t assume it’s always 100%.
The broadcast colors effect is only dealing with chroma amplitude, not luminance. The waveform monitor measures brightness, the vectorscope measures chroma phase and amplitude. In other words, you’ll want to develop a method for controlling colors that is specifically tailored to your system. It will probably consist of an adjustment layer with the levels effect to control brightness (black and white output points set to 16 and 235, for example) and the broadcast colors effect to control chroma amplitude – you might decide to throw in “reduce interlace flicker” set to either .5 or .8 depending on your output hardware.

Oh yeah, the 75% bars means the white flag is supposed to be set to 75 instead of 100. Synthetic Aperture has an application that generates such test patters, I believe it’s free.
https://www.synthetic-ap.com/products/tpm/index.html

If you need software scopes, check Synth. Ap. or Scopogigio.

[Adam Swaab]

Hey guys,

Thanks for the feedback. I’ll be sending over another test to the station later today. Hopefully, it will work out allright.

[Adam Swaab]

Wow. Thanks. We’re going to send over another test to the network and see how it goes.