Y and C Separation

Y and C SeparationComposite Video Separation Techniques
TM

Application Note

October 1996

AN9644

Author: Stephen G. LaJeunesse

Introduction
The most fundamental job of a video decoder is to separate the color from the black and white information for video composite signals. This task has been achieved many ways since the introduction of color television over 50 years ago. Many different separation methods have been used through the years. With the availability of new cost effective technologies, the consumer has been seeing a gradual improvement in picture quality and detail. Advances in display tube technology and semiconductor processes have pushed the technological envelope providing sharper, more robust video. But separating the chrominance from the luminance information is especially challenging du