Transcript FDI Track E Lesson Topic: InstantLecture

FDI Track J
Lesson Topic: InstantLecture
Presenter: Tom Corbett
[email protected]
What is rich-media?
• Example: Intro to SMIL
Why use rich-media?
• Uncompressed video – 10MB per second
• Uncompressed audio – 10MB per minute
• Reduction of file size
• Compression of audio / video data
• Often, visual clarity is lost…
Why use rich-media?
• Example 1: Video only
Images are too small, slides are unreadable.
• Example 2: Video with slides
Slide are large, clear and readable
How do I view rich-media?
• Quicktime – http://www.quicktime.com
• RealPlayer – http://www.real.com
• Windows Media – http://www.microsoft.com
How do I create rich-media?
• Rich-media doesn’t just happen!
• Plan your presentation…
• Create your media…
• Assemble your presentation…
Introduction to SMIL
• SMIL –
Synchronized Multimedia
Integration Language
• Extension of XML
• Developed by the World Wide Web
Consortium (W3C)
SMIL File Structure
SMIL Tags
<region id=“myvideo” left=“10” top=“10”
width=“160” height=“120” z-index=“4” />
<video src=“newvid.rm” region=“myvideo” />
RealSystem Features
• Audio / Video:
- SureStream
- RealProducer
• Text:
- RealText format
• Images:
- RealPix format
- RealPresenter, RealSlideshow
Presentation Considerations
• Instructional
• Technical
• Audience
• Accessibility
Instructional Considerations
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What do you want to teach?
What is the best method for this topic?
Are there alternative methods?
Is a certain media type actually necessary?
Will the user understand the layout?
Will the layout be distracting or confusing?
Technical Considerations
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What is bandwidth?
Why is bandwidth an issue?
How can I design for multiple bandwidths?
What is the minimum bandwidth to
anticipate?
Audience Considerations
• Who is my audience?
• What features would help them?
• What would they like to see?
Accessibility Considerations
• What do I need to do to accommodate users
with disabilities?
• What other access issues should I consider?