Let me preface that I am new so be gentle. I am trying to upscale some old anime/cartoons that I own on DVD that never received a proper HD release. As I have come to find a lot of these dvds are in a 30 fps interlace format and require de-interlacing before upscaling/enhancing.
I have been reading a lot of information about how interlacing works which is truly fascinating how creative people were with older technology. I see a lot of people recommending to use BOB when de-interlacing to double the frame rate and get a near lossless video to recreate all frames used when interlacing.
Applying what I generally understand about animation what I think I am seeing in my endeavors I was curious if anyone could validate/ answer this question. Even though BOB will effectively give me 60 fps it appears that the extra frames are just the same frame repeated twice. This makes sense to me because I was pretty certain most animation was either drawn as 24 frames or 30 frames.
So when animation was originally interlaced was it just 30 frames with all frames doubled to achieve a 30 frame interlace final product? Seems like using BOB on anime/animation just unnecessarily increases file size since you are just doubling all the existing frames and not actually getting 60 unique frames or am i missing something here?
