Sound and Sight Audio and Image Editing Basics
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Transcript of Sound and Sight Audio and Image Editing Basics
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.