Whats the best setting to capture from a laser disc or vhs tape

[xenonnonx]

I have played about with this with some results but so far not able to capture without video noise or artifacts on the faces in closups
I am sure someone with enough experience would get far better results and i was wondering if i can get some serious assistance on this one
for some reason i have found that using 120*720 give the cleanest picture and thats strange to say the least as these are old NTCS movies
and again a strange thing deinterlace works best without using it , every other setting makes it worse and that nuts
so im not using this correctly to get those issues
can some one run me though the main setting and capture setting so at least i can get to use this correctly and inprove from there

 

[carlmmii]

The best you're going to be able to do through OBS is to capture at the native res of the source (640x480 for 4:3 or 848x480 for 16:9), and use the Yadif x2 deinterlacing method. This is the only one that attempts to reconstruct the actual frames from telecining (this is the 3:2 pulldown that results in the interlacing -- it's how 24fps is recorded into 30fps material to be displayed at 60fps interlaced).

You can experiment with 24fps vs 30fps vs 60fps for the output, but in my experience 60fps is the only way that looks even remotely decent -- 24 ends up deleting actual frames and leaving duplicates, and 30fps results in the 24/30 cadence mismatch which telecining is intended to resolve.

The only true way to get a clean capture is to record the native interlacing, and then run it through software that will do proper inverse telecine. Unfortunately, you have to be very careful with recording interlaced material, since it runs into 2 major issues of compression:
- chroma subsampling (color data is normally stored at half resolution, which means colors are blended between frames)
- compression artifacting (this will result in artifacts from one frame showing up as weird aberrations in another frame)

I haven't tried myself, but apparently interlaced compression is still a thing that's supported? You may want to try using the "-interlaced" flag for x264 advanced options.