Friday, February 14, 2014

Need some information about green screen technology!?




Derek


First off, sorry for my lack of knowledge on the subject!

Anyway, I recently purchased an HD Sony Camcorder as well as a green screen and lighting kit. Now, I have some questions about how to use everything properly. I set everything up and have the camera on a tripod, but I need to know how exactly to use the green screen. Is there some sort of software I need to download? If so, is it free? Is it easy to use/learn to use? And also, does the shade of the green screen change what type of software I need to use?

Please, just tell me EVERYTHING you can about green screens/ green screen software/tech and how to use it all properly! Thanks in advance!



Answer
1. Video editing software doesn't really "green screen". It chroma keys. This means it removes any color you set it to remove. When you remove black, it's called compositing. (I don't know why:-)

2. The chroma key option has controls so that you can remove different hues of a color (dark to light). But you don't want your subject to display with a green glow around it so it's best to set up the lighting as well as you can (see below).

3. Set up the screen so there are no wrinkles or folds in it. OK, there might be a few little ones. After you make a couple of clips, you'll see what adjustments you might have to make in the screen.

4. It's important to set up the lighting so that shadows aren't thrown onto the green screen. This means that not only must the subject be lighted but that lights also have to be behind the subject to remove shadowing. Don't plan on doing this perfectly the first (or second or third) time.

5. Chroma keying can be really fun. Enjoy the mistakes you make because some of them will be hilarious. Be sure to make short clips at first for practice. You don't want to be learning how to chroma key with an hour-long clip.

6. Chroma keying really isn't that hard to do. You'll have to make a few little adjustments here and there but otherwise, everything should go smoothly and be fun.

I made this for a Movie Maker user who wanted to do green screening. I'm using the freeware version of Serif's MoviePlus.
https://www.youtube.com/watch?v=nThBxO5c-9w

Here's a great video about green screening. They use $$$ equipment but the principles are still the same. Most of us don't have $5,000 worth of lights:-)
https://www.youtube.com/watch?v=q3PZO_lCBkw
It's actually fun to have your subject be green screened out. I once shot a friend against the beige wall of his house and when I chroma keyed the beige, he became the invisible man. Only his clothes and hair were visible as he move around:-)

MoviePlus X6 is currently on sale. The free version will chroma key (and key frame, crop, etc.) but it has limited effects and won't burn playable DVDs.

Here's the download for the free version:
http://www.serif.com/free-video-editing-software/

Here's the regular version (on sale for $27 instead of $80):
http://www.serif.com/movieplus/

MoviePlus is a good transition program if all you've used before is Movie Maker. It does a lot. Isn't as confusing and complicated as some of the larger programs. It's solid and works really well (isn't buggy). Produces a really good quality video. Has tutorials and other help. You can find video tuts on YouTube.

Green Screen?

Q. I want to make a green screen, and i know how to make one, but i need to know what softwere you need to use to make it work and how much it costs! wellp if you could help that would be great!


Answer
The photo editing software is $99.95,and the video editing is $149..99, This page has a lot more of the software, so just check for yourself and find what you want.

http://store02.prostores.com/servlet/tubetape/the-Software/Categories




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