On Sat, 07 Jan 2006 15:52:46 +0100 Nico Sabbi <nicola_sabbi at fastwebnet.it> wrote: > he needs to use a shorter keyint (e.g. 25) Perhaps so, but I've seen this problem even with keyint=30 (ANY source). DELTA constantly climbs up to eg -8, then suddenly resets, then starts climbing again. My DVD player really hates that ;-)