most NTSC files are incorrectly defined

[Selur]

I did this, the output file is normally played. I can put force QTGMS and output file is also normally played.

You might want to read up on what telecine means and what IVTC does. Sure you can always deinterlace ivtc, but that isn't really a good approach.
Telecing+Decomb is a method to telecine, when using 'decomb' in Hybrid, Hybrid expects the source to be flagged as telecine.
QTGMC is a method to deinterlace not IVTC.
Hybrids interlace analysis heuristic assumes that the content is mixed (= a mix of progressive, interlaced, telecined content), problem is that you can't automatically keep the audio synch if you try to handle such content with decomb&co and process the audio separately.

-> Can't make a decision for you how to handle your content.

Cu Selur