Help with Interlaced NTSC

[madhatt3r]

I'm using Microsoft Expression Encoder 2 (SP1) in conjuction with Avisynth 2.5.5. I have some Interlaced NTSC dvds, and my goal is to have a deinterlaced, FILM video.

I have tried the changefps() string (changefps(23.976)), and that didn't drop some of the frames that needed to be dropped...which I'm still wondering if that is because of a soft pulldown from the source, not sure.

What would be recommended for the pulldown?

I would like to take care of the deinterlacing and pulldown in one script (if possible).

Also, if anyone knows, does Expression Encoder 2 actually do a pulldown, or does it act like Avisynth's assumefps() string?

[benwaggoner]

Also, if anyone knows, does Expression Encoder 2 actually do a pulldown, or does it act like Avisynth's assumefps() string?
Yep. In EEv2, just set Deinterlacing=Inverse Telecine.

If you've got reasonably intact 3:2 pulldown patterns, the built-in inverse telecine should be fine. If you single-frame through you source, you'd see a repeating pattern of three progressive frames followed by two interlaced frames. There are some great AVS algorithms for fixing stuff with bad cadence (like 24p source edited on a 30i NLE), but that's generally overkill if you're using a movie source or something.

[madhatt3r]

Yep. In EEv2, just set Deinterlacing=Inverse Telecine.

I'm sorry, I was talking about actual interlaced through and through NTSC (South Park, Death Note [US], Metalocalypse, etc.)

I should still be fine using FieldDeinterlace in my avs, along with a pulldown (via EEv2), right?

I guess, what I'm trying to type is, I'm not really sure how EEv2 is going to handle it. If it will use the external filter first or it's pulldown first (decomb.dll and frame rate, respectfully).

I'm working with the assumpation that anime has dupilicate frames like progressive NTSC with a 3:2 pulldown, thus I want to scrap the dupilicate frames...

[madhatt3r]

Ok, since no one wants to answer my direct question, I'll make it more vague...

On a straight interlaced 29.970 video, does it really matter if I use fielddeinterlace and telecide strings (decomb) in one avs script?

Or will I have to deinterlace first, then with another avs script, use telecide? Or would decimate be a better choice than telecide?

[neuron2]

It doesn't make any sense to both deinterlace and IVTC.

You need to know the real nature of your source. If you'd like to post a small unprocessed sample of your video, we can tell you.

Or you can look here for a method for analyzing the video. See the first two questions:

http://neuron2.net/faq.html

Once we know the real nature of your video, we can tell you how to process it.

[madhatt3r]

It doesn't make any sense to both deinterlace and IVTC.

You need to know the real nature of your source. If you'd like to post a small unprocessed sample of your video, we can tell you.

here (http://www.mediafire.com/?sharekey=17c5d0f058e09c475a3d773badf21430e04e75f6e8ebb871) is a link to my source.

I do know that it is interlaced NTSC. afaik, it does have duplicate frames, thus I think I should deinterlace and remove the extra frames.

I am working with Microsoft Expression Encoder 2 [SP1] and using main profile. My whole purpose for transcoding my dvds is to stream them (via linksys dma2100) to my television, and watch them on my Windows XP and Vista boxes, as opposed to switching my discs in and out.

[neuron2]

I can't figure out to download using that link.

Please use www.mediafire.com.

[madhatt3r]

I can't figure out to download using that link.

Please use www.mediafire.com.

link changed in post

[nm]

here (http://www.mediafire.com/?sharekey=17c5d0f058e09c475a3d773badf21430e04e75f6e8ebb871) is a link to my source.

I do know that it is interlaced NTSC. afaik, it does have duplicate frames, thus I think I should deinterlace and remove the extra frames.
Your video is 2:3 telecined progressive video. You need to IVTC (pullup), not deinterlace. Then encode the resulting 24000/1001~=23.976 fps video without any special pulldown options and check that the linksys box plays it properly.

[madhatt3r]

Your video is 2:3 telecined progressive video. You need to IVTC (pullup), not deinterlace. Then encode the resulting 24000/1001~=23.976 fps video without any special pulldown options and check that the linksys box plays it properly.

Plays just fine, thank you NM.