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render quality tutorial

Created 16th June 2011 @ 13:18

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rtan

-9w-

Wonder if anyone could share their secrets. How do people get such amazing quality in their movies? Record 240fps on lawena, compile the tgas on virtualdub on a lossless codec, render as mp4 or something on vegas? That about right?

Mits

http://www.youtube.com/watch?v=PfEVRZgBaLY

Probably the best you can get.

Example: http://www.youtube.com/watch?v=M-bItHRKA_g&hd=1


Last edited by huhystah,

Monkeh

.:ne:.
.:ne:.

If you record at 240 and render at 30 then you’ll have ermmmm, (engage maths plugin…..maths plug-in engaged….!), 8 frames of captured stuff crammed into EACH frame of the final render. To avoid it looking all blurry and horrible you’ll need to do some funky “frame blending” stuff, of which I know nothing. This is 120 rendered down to 30: http://www.youtube.com/watch?v=kPVzJk2JUVM fuzzy edges and ‘blurring’ from 4 frames per frame of render. 30 to 30 looks like this: http://www.youtube.com/watch?v=ONZNaeRPiIk

gl hf :)

Mits

Quoted from Monkeh

If you record at 240 and render at 30 then you’ll have ermmmm, (engage maths plugin…..maths plug-in engaged….!), 8 frames of captured stuff crammed into EACH frame of the final render. To avoid it looking all blurry and horrible you’ll need to do some funky “frame blending” stuff, of which I know nothing. This is 120 rendered down to 30: http://www.youtube.com/watch?v=kPVzJk2JUVM fuzzy edges and ‘blurring’ from 4 frames per frame of render. 30 to 30 looks like this: http://www.youtube.com/watch?v=ONZNaeRPiIk

gl hf :)

I don’t really get, you record at 30 fps?

Monkeh

.:ne:.
.:ne:.

If you record at 240 frames per second, then compile in VDub and render in vegas at 30 frames per second you’re taking 240 captured frames and cramming them into 30 frames of render. So each of the rendered frames will have 8 frames overlayed on top of each other. Now I understand you can use ‘frame blending’ to make it look nice if you do that, but I haven’t experimented with that yet myself.

So yeah, I just record at 30, which is a lot quicker, and render at 30. If you want to do nice slo motion then that aint good, but for normal stuff it’s fine.

The second link in my post above was recorded at 30 FPS and then rendered at 30 yeah.

Skyride

DUCS

Oversampling (aka, Frame blending).

Bitches love oversampling.

Literally all people are talking about when they say “quality”, is how well the oversampling is done, and to a lesser extent the bitrate used. What you said in the OP is pretty much bang on. Anyone who tells you “I do it this way because I think it looks better” is talking out their arse, there is a best way to do it, end of. Editing and frags make good movies, not technical flashy crap.


Last edited by Skyride,

Mits

just fyi, recording at 30 fps will not always work the way you expect, even without doing slow-mo. Sometimes you might get some laggy footage, that’s why the standart starting framerate people record at is 120. Obviously, if it works fine for you, keep it up

Monkeh

.:ne:.
.:ne:.

Yeah, I used to record at 120 but it always looked a bit blurry when I rendered at 30. Then I started experimenting and found that ‘decimating by 4’ in VDub made it look a lot sharper and cleaner and nicer….

Then, after some considerable time, I realised that I may as well just record at 30 in the first place!

Whatever FPS I record at I get choppy, laggy movements in slo motion, but then it’s the same if I watch a demo of mine at <20% speed, chop-chop-move-move-move-chop-chop.

Supersampling sounds like the next thing I need to experiment with I s'pose.

Mits

Quoted from Monkeh

Yeah, I used to record at 120 but it always looked a bit blurry when I rendered at 30. Then I started experimenting and found that ‘decimating by 4’ in VDub made it look a lot sharper and cleaner and nicer….

Then, after some considerable time, I realised that I may as well just record at 30 in the first place!

Whatever FPS I record at I get choppy, laggy movements in slo motion, but then it’s the same if I watch a demo of mine at <20% speed, chop-chop-move-move-move-chop-chop.

Supersampling sounds like the next thing I need to experiment with I s'pose.

Well, one thing you might want to experiment aswell is to, instead of rendering at 30 fps, render at 29.97 (final render). I’ve been seeing that in a lot of movies / clips, and it kinda gets rid of the extreme motion blur originated by high framerates, so you can have smoothness and a “clean” quality when watching the final result.

.____________.

Quoted from Mits

http://www.youtube.com/watch?v=PfEVRZgBaLY

Probably the best you can get.

Example: http://www.youtube.com/watch?v=M-bItHRKA_g&hd=1

I’ve been told never to render in sony vegas into lagarith avi, but simply uncompressed? Someone explain the difference to me :(


Last edited by .____________.,

rtan

-9w-

there’s obviously a lot of different opinions/ways of doing things.

I record at 240, virtual dub the tgas to a lagarith lossless, then render at 60fps on vegas. now this doesn’t give me good quality whatsoever and I’m not sure where I’m going wrong. I’ll give what the youtube link says a go, but since im dealing with tgas first of all and not an uncompressed avi like he does i’m not sure what to do with that…

Mits

Quoted from .____________.

[…]

I’ve been told never to render in sony vegas into lagarith avi, but simply uncompressed? Someone explain the difference to me :(

I haven’t had any problems so far with lagarith, both with sony vegas and after effects. But i think (not sure though) that lagarith gives you an uncompressed avi with a smaller size than the uncompressed template that you’re talking about.

Quoted from rtan

there’s obviously a lot of different opinions/ways of doing things.

I record at 240, virtual dub the tgas to a lagarith lossless, then render at 60fps on vegas. now this doesn’t give me good quality whatsoever and I’m not sure where I’m going wrong. I’ll give what the youtube link says a go, but since im dealing with tgas first of all and not an uncompressed avi like he does i’m not sure what to do with that…

Well, it’s pretty much the same as you were doing. Record tga’s, compile them with virtualdub to an uncompressed .avi file, edit that file or more in vegas, render with the settings given in the beggining of the vid, then use Ripbot to the very last render


Last edited by Mits,

Ched

.tony

Don’t get the idea that quality is entirely dictated by the framerate in which you recorded the footage.

http://www.youtube.com/watch?v=c-PZcOmkvvE&hd=1 was recorded at 24 FPS but I applied motion blur in a different way to the method used by most people. AKA: The method I learnt from Skyride ages ago.

Mits

Quoted from Ched

Don’t get the idea that quality is entirely dictated by the framerate in which you recorded the footage.

http://www.youtube.com/watch?v=c-PZcOmkvvE&hd=1 was recorded at 24 FPS but I applied motion blur in a different way to the method used by most people. AKA: The method I learnt from Skyride ages ago.

The quality isn’t dictated by the framerate, the smoothness is. And as i said, you can record at low fps, but sometimes you might get laggy footage.

rtan

-9w-

keep getting an error in every single encoder so far. might just ask someone to do movie stuff from now on :D


Last edited by rtan,

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