So which does Premiere apply?
Is it possible to change it?
Is this the same with AE?
Are there plug-ins that do a better job?
Premiere Pro will provide de-interlacing when you're encoding a final output file where you've got this choice in your output codec. It does not have any de-interlacing options (to my knowledge) during playback and editing. IOW - the codec is the codec...
- I don't which version applies here, but I would guess either selective blending or motion detection
- not to my knowledge
- I don't know but would guess yes
- almost certainly yes, depending on what you are looking for. I'd probably look at RedGiant's InstantHD to start.
Sorry this answer isn't particularly helpful.
Premiere uses better quality deinterlacing algorithms when "Use Maximum Render Quality" is checked in the export settings dialogue box, but it does take longer to render.
Clips can also be deinterlaced in the timeline by:
1. Right clicking a clip
2. Go to "Field Options"
3. Select "Always Deinterlace"
Update: You can also chose which fields to use when previewing in Premiere (does not affect output). Right click the program monitor, go to "Fields" and select the desired option.