Color Balance Calibration in Nairobi
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White Point Precision: D65 accuracy ±100K.
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Gray Tracking Linearization: Perfect ramps from 5-100% IRE.
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Gamut Mapping: DCI-P3/Rec.2020 optimized.
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Probe-Driven Calibration: SpyderX verified results.
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Prologic Color Science: Hollywood-grade accuracy.
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Before/After Charts: Quantified improvements shown.
Color balance calibration corrects tint casts and gray inaccuracies. Factory settings favor saturation over neutrality. Prologic uses colorimeters for closed-loop adjustment, targeting BT.2020 containers. Nairobi’s warm lighting shifts perceived white point.
LCD backlight mixing drifts over 500 hours.
Calibration Targets
2% DeltaE max deviation. Linear 18% gray ramp. Flesh tone neutrality.
HDR metadata preservation.
Measurement Process
20-point grayscale sweeps. Color cross-checks at 75% saturation. CMS table verification.
Ambient light compensation.
Adjustment Techniques
RGB gain/offset tweaks in service menu. CMS 3×3 matrix programming. Gamma curve fitting to 2.4.
Black level floor optimization.
Calibration Suite
X-Rite i1Display Pro. CalMAN AutoCal software. HDR test patterns.
Transformation Benefits
Natural skin tones. Shadow detail revelation. Accurate grading preservation.
| Calibration Level | Coverage | Time | Cost (KES) |
|---|---|---|---|
| Basic White Bal | Grayscale | 1.5 hrs | 3,000-6,000 |
| Full CMS | 3D LUT | 3 hrs | 8,000-15,000 |
| HDR Studio | PQ/HLG | 4 hrs | 12,000-20,000 |
| Pro Reference | 33pt | 5 hrs | 15,000-25,000 |
| Annual Recal | Maintenance | 2 hrs | 5,000-10,000 |
Viewing Optimization
Cinema mode preferred. Quality HDMI sources. Annual recalibration.