Multimedia authoring tools allow users to combine various media like text, audio, images, and video into interactive presentations. These tools provide features for editing, organizing, and programming multimedia content, as well as adding interactivity. Authoring tools use different metaphors like slide shows, movie screens, icons, pages, and timelines to organize content. Popular authoring tools include PowerPoint, Flash, and Director. Well-designed multimedia presentations can be used for purposes like tutorials, advertisements, and interface design.
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Types of Multimedia Authoring Tools and Metaphors
1. C O M P I L E D & C R E AT E D B Y : G A U R AV C H H A B R A
MULTIMEDIA
AUTHORING &
METAPHORS
2. Compiled & Created By: Gaurav Chhabra
WHAT IS MULTIMEDIA ??
MULTI
MEDIA
Combining more than
Medium of
Communication
3. Compiled & Created By: Gaurav Chhabra
MULTIMEDIA
• In common usage, the term multimedia refers to an
electronically delivered combination of media including video,
still images, audio, text in such a way that can be accessed
interactively.
Multimedia is media and content that uses a combination of
different content forms.
Multimedia includes a combination of
Text
Audio
Still images
Animation video
Interactivity content forms.
4. Compiled & Created By: Gaurav Chhabra
TYPES OF MM PRESENTATION
LINEAR MULTIMEDIA NON-LINEAR MULTIMEDIA
Linear active content progresses
without any navigational control for the
viewer.
Non-linear content offers user
interactivity to control progress as used
with a computer game .
Cinema presentation is an example of
linear multimedia.
Presentation made with PowerPoint,
Flash, etc are non-linear multimedia.
A multimedia presentation differs from a normal presentation in that it contains
text, video, graphics, audio, animation etc.
5. Compiled & Created By: Gaurav Chhabra
MULTIMEDIA AUTHORING
• The process of creating multimedia application or
presentation is called MM Authoring. It involves creating,
editing, arranging and sequencing MM content.
• Multimedia Authoring Tool is a development environment
where one can merge a number of media into a single
application.
• Most authoring systems also support a scripting language for
more sophisticated applications.
• The distinction between authoring tools and programming
tools is not clear-cut. Typically, though, authoring tools require
less technical knowledge to master and are used exclusively
for applications that present a mixture of textual, graphical,
and audio data.
6. Compiled & Created By: Gaurav Chhabra
INTRODUCTION TO MULTIMEDIA
AUTHORING TOOLS
• Multimedia authoring tools provide the framework for
organizing and editing the elements of a multimedia
project.
• Authoring software provides an integrated environment
for combining the content and functions of a project.
• It enables the developer to create, edit, and import data.
• Most authoring systems also support a scripting
language for more sophisticated applications.
7. Compiled & Created By: Gaurav Chhabra
FEATURES OF AUTHORING TOOLS
• Editing and organizing features.
• Programming features.
• Interactivity features.
• Performance tuning and playback features.
• Delivery, cross-platform, and Internet playability features.
8. Compiled & Created By: Gaurav Chhabra
EDITING AND ORGANIZING FEATURES
• Authoring systems include editing tools to create, edit,
and convert multimedia elements such as animation and
video clips.
• The organization, design, and production process for
multimedia involves storyboarding and flowcharting.
• Visual flowcharting or overview facility illustrates project
structure at a macro level.
9. Compiled & Created By: Gaurav Chhabra
PROGRAMMING FEATURES
• Visual programming with icons or objects is the simplest
and easiest authoring process.
• Visual authoring tools such as Authorware and
IconAuthor are suitable for slide shows and
presentations.
• Authoring tools offer ‘very high level language’ (VHLL) or
interpreted scripting environment.
10. Compiled & Created By: Gaurav Chhabra
INTERACTIVITY FEATURES
• Interactivity gives the end user control over the content
and flow of information in a project.
• Simple branching is the ability to go to another section of
the multimedia production.
• Conditional branching is an activity based on the results
of IF-THEN decisions or events.
• Structured language supports complex programming
logic, subroutines, event tracking, and message passing
among objects and elements.
11. Compiled & Created By: Gaurav Chhabra
PERFORMANCE TUNING AND
PLAYBACK FEATURES
• Achieving synchronization is difficult, considering that
performance of the different computers used for
multimedia development and delivery varies.
• Authoring system should facilitate precise timing of
events.
• It should enable developers to build a part of a project
and then test it immediately.
12. Compiled & Created By: Gaurav Chhabra
DELIVERY, CROSS-PLATFORM, AND
INTERNET PLAYABILITY FEATURES
• Delivering the project may require building a run-time
version of the project, using the multimedia authoring
software.
• Run-time version or standalone allows a project to play
back without the complete authoring software and all its
tools and editors.
• It is important to use tools that facilitate easy transfer
across platforms.
• Authoring systems provide a means for converting their
output to be delivered within the context of HTML or
DHTML.
13. Compiled & Created By: Gaurav Chhabra
“AUTHORING METAPHOR” AKA
“AUTHORING PARADIGM”
• Most media integration or authoring tools will take or use
one of the following metaphors.
a) Slide show metaphor
b) Movie screen metaphor
c) Iconic/Flow-control metaphor
d) Card/Page metaphor
e) Time Based/ Frames metaphor
f) Scripting-language metaphor
g) Object Based metaphor
• On the basis of metaphors they use authoring tools
can be categorized in different types.
14. Compiled & Created By: Gaurav Chhabra
SLIDE SHOW METAPHOR
• by default a linear presentation
• However, tools exist to perform jumps/hyperlink –
seldom used
• e.g., PowerPoint, ImageQ
• The easiest way to create a multimedia presentation is
in Microsoft PowerPoint. You can add in video, a
soundtrack and also a reasonable degree of
animation.
16. Compiled & Created By: Gaurav Chhabra
• Movie refers to the product of the authoring it can be Linear/Interactive
movie
• Also refers to authoring tools paradigm that contains Cast/Score/Scripting
• Example: Macromedia Director
Stage
Cast
Score
MOVIE SCREEN METAPHOR
17. Compiled & Created By: Gaurav Chhabra
• Graphical icons are available in a toolbox
• Authoring proceeds by creating flow chart with icons attached.
• Author Ware Professional, Icon Author, Quest are some of the Icon based
tools
ICONIC/FLOW-CONTROL METAPHOR
18. Compiled & Created By: Gaurav Chhabra
CARD OR PAGE BASED TOOLS
• The elements are organized as pages of a book or a stack of cards.
• Card-or page-based authoring systems are best used when the bulk
of your content consists of elements that can be viewed individually
• Link these pages or cards into organized sequences.
• Jump, on command, to any page
• Play sound elements and launch animations and digital video.
• HyperCard, SuperCard, Media Object, Tool Box, Visual Basic,
PowerPoint, Astound are some of the Card based tools.
20. Compiled & Created By: Gaurav Chhabra
TIME BASED / FRAME BASED
• The most popular used.
• Using “timeline” for organizing activities
• Also using “framing” – timely adjusted depending on the frame size
• Elements and events are organized along a timeline with resolutions
as high as or higher than 1/30 second.
• Played back at a speed that you can set
• Other elements (such as audio events) are triggered at a given time
or location in the sequence of events.
• Jumps to any location in a sequence is possible
• Navigation and interactive control.
• Adobe Flash and Macromedia Director are Time based tools
21. Compiled & Created By: Gaurav Chhabra
Macromedia Director
Macromedia Flash
TIME BASED / FRAME BASED
22. Compiled & Created By: Gaurav Chhabra
SCRIPTING-LANGUAGE METAPHOR
• uses a special language to enable interactivity (button, mouse,
etc), and to allow conditionals, jumps, loops, functions/macros
• e.g., OpenScript in Toolbook by Asymetrix
-- load an MPEG file
extFileName of MediaPlayer “theMpegPath” =
“c:windowsmediamedia.mpg”;
-- play
extPlayCount of MediaPlayer “theMpegPath” =
1;
--if want to start and end at specific
frames
extSelectionStart of MediaPlayer
“theMpegPath” = 103;
Example of OpenScript
23. Compiled & Created By: Gaurav Chhabra
OBJECT BASED
• Support environment based on object.
• Every object is modified using properties &
modifiers
• The environment is based on ‘Hierarchy’
(section and sub-section).
• Examples of the tools :
• mTropolis (Mac/Windows)
• AppleMedia Tool (Mac/Windows)
• MediaForge (Windows)
25. Compiled & Created By: Gaurav Chhabra
DESIGN APPROACHES TO AUTHORING
1. Hypermedia application design
2. User Interface Design
3. Multimedia Database design
4. Multimedia Presentation design
26. Compiled & Created By: Gaurav Chhabra
DESIGN ISSUES FOR MULTIMEDIA
AUTHORING
1. Display Resolution
2. Data Formats for captured data
3. Compression Algorithms
4. Network Interfaces
5. Storage Formats
27. Compiled & Created By: Gaurav Chhabra
APPLICATIONS
• Business Presentations
• Marketing/ Advertising
• Tutorials/ e-learning
• Web Designing
• User Interface Designing
• Icon/ Button Designing
• Background/ Wallpaper Designing
Editor's Notes
Metaphor : रूपक अलंकार , A figure or speech in which an implied comparison is made between two unlike things that actually have something in common. Eg. Life is a journey, dance, a dream.
Paradigm: मिसाल