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+# P4 Phosphor
+#
+# White phosphor for black & white televisions
+#
+# This phosphor presents a clear white appearance that is perceptually similar
+# to a black and white photograph on highly reflective paper when the viewing
+# environment is sufficiently dim, and makes D65 look fairly dull and yellowish
+# in comparison, that said, next to saturated colors the blueish tint becomes
+# more apparent. This might explain why this white point was abandoned in
+# favor of the more neutral Illuminant C (and later D65) for color television.
+#
+# Medium-short persistence
+#
+# DIRECT3D POST-PROCESSING OPTIONS
+#
+chroma_mode 1
+chroma_a 0.265,0.285
+chroma_conversion_gain 0.30,0.59,0.11
+chroma_y_gain 1.0,0.0,0.0