TDA9178 is a Philips Semiconductors YUV single-chip image enhancement device with luminance vector-, color vector- and spectral processor. It has picture content dependent non-linear Y, U and V processing by luminance histogram analysis, variable gamma control, adaptive black and white stretch control, skin tone correction, green enhancement, blue stretch, luminance transient improvement (LTI), smart peaking for detail enhancement, colour transient improvement (CTI), scan velocity modulation (SCAVEM) output, line width control (LWC), video dependent coring (VDC), colour dependent sharpness (CDS), noise measurement, feature mode (FM) detector, cue flash (CF) detector, three additional pins for access to 6-bit ADC and I2C-bus, adjustable chrominance delay, TV standard independent, I2C-bus controlled, 1fH and 2fH, demonstration mode (DEMO).