1)   MSU SmartDeblocking VirtualDub plugin 0.1 Filter is intended for recovering quality of video ripped from DVD (for example, when it contains 4 hours of video data), VideoCD or after decompressing by H.261, H.263, DivX 3, DivX 4, XviD. 2)   Video MSU Deblocking VirtualDub plugin 2.2 Filter is intended for recovering quality of video ripped from DVD (for exmaple, when it contains 4 hours of video data), VideoCD or after decompressing by H.261, H.263, DivX 3, DivX 4, XviD.