The 5821 accepts dual-rate HD/SD SMPTE-292/259M-C digital inputs and downconverts incoming HD signals with full re-aspect controls. It also passes SD signals and re-aspects if needed. The 5821 provides SD-SDI and SD analog composite outputs. The 5821 can rate convert 23.98 frame video to 59.94 frames, move progressive to interlace, and has extensive user programmable reticule overlays. The data path is 10-bit with 12-bit analog encoding. The 5821-D is designed for high density legacy frames; the 5821-R is for standard legacy frames.