Multimedia Examples

1
Multimedia Examples

• Audio
• Video
• Image
• Animated images
• Presentations

2
Audio

• How do we play audio over the WEB?
• .WAV files
• .WAV file download and then played
• Real Audio (.rm files)
• Played Live with RealPlayer
• How is audio supported?
• Need Speakers
• Microphone for input

3
Images

• GIF and JPEG images supported by most Browsers
• Many other types also supported with additional
  software
• How do you create?
• Can use a digital camera, or scan a photo or
  slide, or draw yourself, or use someone elses...
• Need to convert to JPEG

4
Graphics

• Again, GIF or JPEG supported
• Creation
• Many Tools from PC Paint, Paint Shop Pro to
  Photoshop, Image Composer, Extreme 3D etc.

5
Animated Graphics

• Create a sequence of graphics (usually GIFs) and
  play them repeatedly
• Need a GIF animator to construct

6
Video

• Use Camcorder to record video
• Input video to PC and convert to AVI, MOV or QT
  (quicktime ) format
• Need multimedia extensions in Windows to play
  AVI, MOV files and Quicktime player to play video
• Or convert to REAL Audio using a real audio
  encoder

7
Presentations

• Combination of all of the above
• Need to use specialized packages like Macromedia
  Director, Asymetrix Toolbook etc. to create
  complete presentations
• Macromedia Director is available in Digital
  Multimedia lab (on Macs). It can be used to
  develop high-end multimedia presentations. There
  is a version on the CD in book

8
WEB delivery

• All of these multimedia types of files can now be
  delivered over the WEB
• The WEB is rapidly becoming the technology of
  choice for delivering multimedia, especially
  within a companys intranet
• The focus of much of the course will be on WEB
  enabled multimedia tools

9
Examples

• Lets try Image Composer
• Some concepts
• Transparency
• Opacity
• Alpha Channel
• Layering
• Rendering
• Animation