Graphics and Design

Unit 10

Essential Area of Screen

When creating graphics, leave a margin around the edges of the screenThis is due to edge distortion aggravated by the production and transmission processKeep all video within the inner 90% of your screenThis is called the safe video area

Safe Video Area

You will always lose 10% of your video along the horizontal and vertical edges

Safe Title Area

Inside the safe video area resides the safe title area

All graphics should be placed within the inner 80% of your screen.

Safe Video and Title Areas

Intelligibility

Consider using block letters

Letters with script or fine detail do not translate well in video

Color and Brightness

Use high contrast colors

If you can’t see it well on a black and white monitor, you do not have a good enough contrast ratio

Titling Graphics and EffectsInto a Video Switcher

Keying – A special effect used in titling in which one video source (usually a character generated graphic) appears as opaque letters over the background video

Key Example

Titling Graphics and EffectsInto a Video Switcher

Mattes – A special video effect that combines three separate sources: character generator titles, a color from a matte generator, and background video

Matte Example

Titling Graphics and EffectsInto a Video Switcher

Chroma Key – A special matte key effect in which a particular colored area (generally blue or green) is eliminated from one shot and filled with new video information from another source

Chroma Key Example

Advanced Tecniques

Compositing – A computer generated program that allows you to layer several different graphic items over the main video image

Compositing Example

QuickTime™ and aSorenson Video 3 decompressorare needed to see this picture.

Graphics and Design

Unit 10