what are your settings for deblocking, in case you use dgdecode?
MPEG2Source ("D:\Aki_LPFD-214\Aki_LPFD-214.d2v",cpu=5,moderate_h=55,moderate_v=65,info=2)
it seems that stronger deblocking disturbes the deinterlacer. deringing is helpful for many sources.
I'm currently at compression=18, to...