Multimedia File Formats

GraphicsGraphicsJPG, GIF,

TIF, PSD,

WMF, BMP, PNG,

RAW

Two popular graphics formats

• JPEG (.JPG)– Joint Photographic Experts Group– Best for photographs; Comes compressed.– 16 million colors

• GIF – CompuServe Graphics Interchange– Low Res: Best for charts, diagrams, screen shots – 256 colors– Backgrounds can be transparent– Pictures can be animated!

GIF for graphs | JPG for pictures

Beauty of GIFs

Animated GIF pictures

Home-made Animated GIFs

22 Individual shots made using the photo option on a WebCam; compiled in PaintShop Pro Animation Shop

Done in Photoshop. Eyes, ears and paws cropped loose, moved slightly, saved repeatedly; compiled in PaintShop Pro Animation Shop

http://gickr.com/

Beauty of JPGs

Great Realistic ColorGreat Realistic Color

Other picture files

• TIF, TIFF– Tagged image file – multi-purpose (Microsoft, Aldus)

• PSD – Photoshop file – deals with layers

• BMP– BitMapped. Large. Universal standard on Win.

• WMF– Vector graphics. Small. Fast. Universal to Win.

• RAW– Minimal processed data; like a negative

end