Sound and Sight Audio and Image Editing Basics C. Candace Chou University of St. Thomas.

Sound and SightAudio and Image Editing Basics

C. Candace ChouUniversity of St. Thomas

Sound Formats and Applications

• RealPlayer: .rm, .ram• QuickTime: .mov• MP3 player: .mp3• .Macintosh audio format: .aiff or .aif, .• Windows audio format: .wav• Web: .au, wav, aiff or aif• Audio compression settings:

• Web: IMA 4:1; Rate: 22.050 KHZ; Size: 16 bits• CD: Rate: 44.1 KHz; Size: 16 bits; Stereo

Sound Editing SoftwareMacintosh

Sound Edit 16 http://www.macromedia.com/software/sound/

Sound Studio http://www.felttip.com/products/soundstudio/

Windows

CoolEdit, http://www.syntrillium.com/

SoundForge Studio (http://www.sonicfoundry.com/Products/showproduct.asp?PID=718)

Free/Shareware: http://www.freeware.com

Free Audio Download

• Sound Effects: • http://www.apple.com/imovie/

• Music downloads • http://www.mp3.com • http://www.bakerymusic.com• http://www.free-music.com

• iMovie takes both MP3 and AIFF files

Image Formats & Uses

JPEG (Joint Photographic Experts Group)

Web-based documents for photographic images or images that have noncontinuous colors - that have a variety of shades or gradations.

Allows millions of colors

Image Formats & Uses

GIF (Graphic Interchange Format)

Web-based documents for images that have a continuous or flat color

UP to 256 colors

Transparent background

Animated GIF

JPEG & GIF ComparisonJPEG (Left): retains colors better

GIF (Middle & Right): lost colors in pictures, support line drawing, simple cartoons.

File Format and UsesBitmap (.bmp): Electronic presentations, e.g., Microsoft PowerPoint or Microsoft Word, commonly used for Windows

TIFF (Tagged-Image File Format): Print documents, scanned images, when high quality and precision is required; tiff files can be changed for either larger or smaller files without losing precision.

EPS (Encapsulated PostScript): Print publication and illustrations

PICT: A generic file format for Macintosh

Web Images

JPEG or GIF file format

Change the resolution to 72 dpi to save image size

Download a web image by control-click (Macintosh) or right-mouse click (Windows) to save image to disk

• Clip Arts:• http://school.discovery.com/clipart/

Graphic Editing Software

Photoshop Elements 2

Photoshop

Macromedia Fireworks

AppleWorks6

GraphicConverter

Try http://www.freeware.com for shareware and freeware

Dimensions of an iMovie Graphic•Set size to 640 x 480 pixels

•Black borders appear for smaller pictures

Reference

Wirtze. J. GIF vs. JPEG, http://hotwired.lycos.com/webmonkey/geektalk/97/30/index3a.html?tw=design

Lohr, Linda (2003). Creating Graphics for Learning and Performance: Lesson in Visual Literacy. Pearson Education, Inc.