Calibration
Video-MME (with subtitle) → Video-MME (w/o subtitle)
Video-MME (w/o subtitle) is estimated from Video-MME (with subtitle) with a Michaelis–Menten curve fitted on 6 models measured on both: y = 1.2816·x / (0.44863 + x), R² = 0.37, cross-validated error 2.4 pp. It is used for 0 estimates.