subtitles slightly (!) after spoken word

[dff.ffm]

Hi there,
do have a srt-file; after adding to dcpomatic subs appear at screen let's say 50-80 ms delayed.
My approach would be to set starting time of added mkv some frames later. 3 or 4.
Am I doing something wrong?
regards - TG

[carl]

How are you checking the sync?

[dff.ffm]

a) with embedded player.
b) on Sony 510.
both show a very slightly delayed sub.
regards - TG

[carl]

OK, how did you check that the .srt file timings are right with respect to the MKV file?

[dff.ffm]

with VLC-Player. Source-mkv is 29,97 fps.

[carl]

Does the sync stay constantly the same amount out, or get worse?

[dff.ffm]

Near the end, difference between subs and spoken word is slightly larger. 110 min. movie from a japanese dvd.

[dff.ffm]

... could it be the 29,97/30 difference?

[carl]

Could be, but DCP-o-matic is supposed to cope with that. I'll do some tests here.

[dff.ffm]

Thankou. If you need any files---.