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Color Test Patterns
These are images I use is setting up color sets, with a special emphasis on sets using I-Q demodulation such as the CT-100.
You put these on a DVD-ROM or a USB stick and play them on your modern DVD or Blu-Ray player that does jpegs. My player's native file size is 720x484 so that's what they mostly are. The first set are especially useful with a scope looking at I, Q, R, G, and B lines as they are full screen vertically. The ones with gray background are constant Y so on the screen visually they should be pure gray with "Color" at zero or/and the fine tuning well detuned. The next one can be used visually or on a scope. The levels are 0 for the background, from top to bottom and left to right: 255 170 85 43 128 213 The average of each line is constant luminance. Last edited by dtvmcdonald; 12-18-2019 at 06:02 PM. |
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