Color-under


 * AKA Heterodyne color system

A downconverted color video subcarrier in order to record color information using limited bandwidth. =Color-under videosystems= =Resources=
 * VHS
 * S-VHS
 * Betamax
 * Video-8
 * Hi8
 * Umatic 3/4"
 * Umatic 1/2"
 * http://en.wikipedia.org/wiki/Heterodyne