Sometime ago I started experimenting with Avisynth in ffdshow, for filtering DVD playback in real-time. I soon found an extraordinary Avisynth script written by Didee on Doom9’s Avisynth forums called Limitedsharpen. This script was designed for the pre-processing of video and film prior to being encoded and burned to DVD or stored on hard drives. However I found if its settings were turned down enough it could be used in real time for DVD playback with amazing results and consequently Live TV as well.
Check out the full article at HardwareXL.