1. 1.1 What is Multimedia Multimedia
Refers to presenting information with the following elements
Multimedia
Text
Graphics
Audio
Video
Animation
Effective in presentation and communication

2. 1.1 What is Multimedia Text
A sequence of characters readable by humans
Commonly used to present information on the World Wide Web
File Formats
Text file
Plain Text (TXT)
Rich Text Format (RTF)
Hypertext Markup Language (HTML)
Portable Document Format (PDF)
Word Processing Document (DOC)

3. 1.1 What is Multimedia Graphics
A pictorial representation of information
Readily visualized by the audience
File Formats
Graphics
Bitmaps
Vector
Bitmap (BMP)
Joint Photographic Experts Group (JPEG)
Tag Image File Format (TIFF)
Graphics Interchange Format (GIF)
Windows metafile (WMF)
Freehand (FH)
Adobe Illustrator (AI)
Shockwave File (SWF)

4. 1.1 What is Multimedia Audio Audible sounds
Can draw the attention when used appropriately
File Formats
Audio
Wave (WAV)
Audio Interchange File Format (AIFF)
Windows Media Audio (WMA)
MPEG-1 Audio Layer-3 (MP3)
Real Audio (RA)

5. 1.1 What is Multimedia Video
A sequential delivery of image frames with audio
Describes a special perspective of the real world
Demands the largest amount of computer resources to produce, process and deliver
File Formats
Video
Audio Video Interleave (AVI)
Moving Picture Experts Group (MPEG)
QuickTime Movie (MOV, QT)
Real Video (RV)

6. 1.1 What is Multimedia Animation
Simulation of continuous motion by displaying a series of images of frames
Video captures continuous motion breaks the motion into individual frames
Animation starts with independent frames and simulates continuous motion
File Formats
Animation
Flash movies (SWF)
GIF animations (GIF)

7. 1.1 What is Multimedia Animation
Simulation of continuous motion by displaying a series of images of frames
Video captures continuous motion breaks the motion into individual frames
Animation starts with independent frames and simulates continuous motion
File Formats
Animation
Flash movies (SWF)
GIF animations (GIF)

8. Product demonstration
1.2 Use of Multimedia
Multimedia in Business
Advertising
Product demonstration
Presentation
Staff training

9. Multimedia in Business
1.2 Use of Multimedia
Multimedia in Business
Presentations
Past
Present
Use of slides or transparencies
Use of laptops and computer projectors

10. Multimedia in Business
1.2 Use of Multimedia
Multimedia in Business
Meetings
Past
Present
Have to meet face-to-face
Video-conferencing
Requires only web cameras and writing boards

11. A web-based learning system Multimedia presentation
1.2 Use of Multimedia
Multimedia in Schools
Teachers can use educational CD-ROMs to conduct demonstrations in classrooms equipped with computers and projectors.
They can also distribute multimedia learning materials to students through web-based learning systems
A web-based learning system
Multimedia presentation

12. A self-learning web site
1.2 Use of Multimedia
Multimedia in Schools
Multimedia technologies help students develop self-learning habits
A learning CD-ROM
A self-learning web site

13. Multimedia in Public Places
1.2 Use of Multimedia
Multimedia in Public Places
Multimedia kiosks and large display panels are commonly found
Interactive kiosks
Large display panel

14. Multimedia in Public Places
1.2 Use of Multimedia
Multimedia in Public Places
Multimedia kiosks and large display panels are commonly found
Interactive kiosks
Large display panel

15. 1.3 Digitalization of Multimedia Elements
The process of converting analogue signals such as images, characters, sounds or videos to digital signals
For example:
Analogue signals
Digital video files
(MPG, AVI)
Digital data
Video capture card
More efficient and convenient to process, store and duplicate.

16. 1.3 Digitalization of Multimedia Elements
A balance has to be made between the quality and size of the digital file
In general, higher quality → larger size

17. 1.3 Digitalization of Multimedia Elements
A balance has to be made between the quality and size of the digital file
In general, higher quality → larger size