Download - authoring tools
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Topic Outline
What is multimedia Authoring tools.
Multimedia tools features Categories of multimedia
authoring tools.
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AUTHORING TOOLS
Have 2 basic features: Ability to create and edit product.
A presentation scheme for delivering the product.
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AUTHORING TOOLS
Four main perspectives in multimedia authoring tools :
Tool (any software package that could authors multimedia product) Product (the result of combining all multimedia components) Developer (designers, programmers, and multimedia authors) End user (customer or viewer)
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MULTIMEDIA TOOL FEATURES PAGE
Different environments use different term of page such as frame,stage, template,or window
Act as a container for other features or object such as text or graphic content or controls such as buttons.
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MULTIMEDIA TOOL FEATURES CONTROLS
Enables interaction between user and product.
Managing or direct sequences of events (data
collection,data objects)
3 categories of controls: Navigation (buttons, hot spots, hypertext) Input (radio button, check box, list box, text) Media Controls (video and audio)
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MULTIMEDIA TOOL FEATURES EXECUTION
Process that control the presentations and sequencing of the application. Linear sequenced:
Presentation control by user. Temporal control:
Control by timer that initiates event in a predetermine order.
Interactive control: - wait for user to select a function such
as pressing button before continue.
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CATEGORIES OF AUTHORING TOOLS
Simple authoring tools: word processor and presentation software.
Programming tools: enables developer to create applications with data and controls for basic interactivity.
Simple interactive authoring tools: enables the developer to create applications with data and controls for basic interactivity.
Complex interactive authoring tools: allow developer to use programming construct to provide a fine degree of application control.
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SIMPLE AUTHORING & DELIVERY TOOLS
Word processors: provide ability to display text in variety of font types, sizes and color.
Enable user to develop very simple presentations.
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SIMPLE AUTHORING & DELIVERY TOOLS
Graphic software: ranges from simple to complex, include powerful paint programs.
Useful to create graphics that can be placed in other applications.
Avoid use red and green color as a cue color because color blind individuals cannot see them correctly.
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SIMPLE AUTHORING & DELIVERY TOOLS
Presentation Packages: Provide a multiple page-based medium
for text and graphic with content delivers as a sequential series of slides.
Also contain audio and video as embedded objects.
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PROGRAMMING LANGUAGES FOR AUTHORING
Multimedia products can be developed by assembly languages, C, BASIC.
Advantages: Languages like C
and assembly languages very efficient & fast.
Easy integration with other software.
Disadvantages: Programming
expertise is require to create and maintain the product.
Much more code is required making long term maintenance difficult & expensive.
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SIMPLE INTERACTIVE AUTHORING TOOLS
Provide critical feature of being able to interactivity navigate through a product.
Simple refer to limited interaction available for end user.
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SIMPLE INTERACTIVE AUTHORING TOOLS
Advantages: Easy to learn,
provide a number of powerful interactive features.
Reasonable price
Disadvantages: Difficult to
integrate with other applications.
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COMPLEX INTERACTIVE AUTHORING TOOLS
Combine feature in simple interactive tools with programming features.
3 categories: Page/Card based layout Temporal/Time based Icon based.
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PAGE/CARD BASED AUTHORING
Navigation is referred to the number of page.
Each page consists of layer(s). Example: Toolbook, Hypercard 2.4,
Hyperstudio, Supercard.
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PAGE/CARD BASED AUTHORING
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TEMPORAL/TIME BASED AUTHORING
Has the ability to develop an application like a movie. Can create complex animation and transitions.
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TEMPORAL/TIME BASED AUTHORING
Features: A page or display frame on which
object such as button, text or audio/video data are placed.
An array for keeping track of pages/frames including their sequence, timing and content.
Controller for playing stopping, stepping or rewind a presentations.
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TEMPORAL/TIME BASED AUTHORING
Example: Macromedia Director, Flash
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ICON BASED AUTHORING
Enables complex interaction and layering of multimedia products.
Ability to graphically design complex interaction for repetitive application.
Example : Macromedia Authorware
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ICON BASED AUTHORING