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Unit 3: Multimedia. The Development Process. What is Multimedia?. An interactive piece of software using several types of media: Text Graphics (photographs or illustrations) Audio (synthesised or digitised) Video Animation Multimedia Applications can be: Linear or non-linear

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unit 3 multimedia

Unit 3: Multimedia

The Development Process

what is multimedia
What is Multimedia?
  • An interactive piece of software using several types of media:
    • Text
    • Graphics(photographs or illustrations)
    • Audio(synthesised or digitised)
    • Video
    • Animation
  • Multimedia Applications can be:
    • Linear or non-linear
    • Simple or extremely complex
    • For example:
      • PowerPoint presentation
      • Sophisticated and basic web pages
      • Multimedia games
the development process cycle
Analysis

Design

Implementation

Testing

Documentation

Evaluation

The Development Process/Cycle

Design may change if application does not work as expected

Maintenance

analysis stage
Analysis Stage
  • This stage is make it absolutely clear what the project is supposed to do.
    • The aims of the application
    • Who will be using it?
    • What will be in it?
    • How will it be distributed?
    • How much money can be spent?
    • How long have you got?
    • Input/output?
  • At the end of the stage a requirements specification will be produced.
design stage
Design Stage
  • Navigation structure?
  • The HCI (Human Computer Interface)
  • What does each screen look like?
  • What media elements will be included?

Storyboards may be produced for this.

implementation stage
Implementation Stage
  • Make it:
    • Create and combine all the media elements using the pre-decided authoring software.

Testing Stage

  • Does each screen and link work as expected?
    • If not can it be fixed or does it have to have the design altered.
documentation stage
Documentation Stage
  • Write the documentation:
    • The technical guide
      • What are the hardware requirements
    • The user guide
      • Advice on how to use the software and provide users with any other help.
evaluation stage
Evaluation Stage
  • Does it meet the specifications made at the analysis stage?

Maintenance Stage

  • Fixing any bugs that have been found after its released.
  • Adapting and updating the application to suit clients needs.
unit 3 multimedia9

Unit 3: Multimedia

The Development Process

the development process mnemonic
Analysis

Design

Implementation

Testing

Documentation

Evaluation

Maintenance

The Development Process mnemonic

A

Dance

In

The

Dark

Every

Monday

methodologies used in creation of multimedia applications
Methodologies used in creation of multimedia applications

Text editor:

  • Application is created using plain text
    • e.g. Creating simple web pages using HTML.

WYSIWIG editors:

  • Previewing applications under development to check that What You See Is What You Get.
    • Eg PowerPoint to create a presentation
methodologies used in creation of multimedia applications15
Methodologies used in creation of multimedia applications

Authoring Software

  • Application can be customised using:
    • Program code or scripting
    • Icon based setting up of properties (without the need to learn programming code)

Presentation Software

  • Enables the creation of a sequence of slides
  • Allows hyper linking to different slides or files
methodologies used in creation of multimedia applications16
Methodologies used in creation of multimedia applications
  • Who makes authoring software?
    • Macromedia
      • Flash, Dreamweaver and Director
    • Microsoft
      • FrontPage
    • Adobe
      • GoLive
    • Others
      • Mediator, HyperStudio, etc
methodologies used in creation of multimedia applications17
Methodologies used in creation of multimedia applications
  • Who makes presentation software?
    • Microsoft
      • PowerPoint (Most common)
    • Others
      • LiquidMedia
      • Cre8
      • Many others exist but not common
slide19
Unit 3: Multimedia

The Development Process

slide20
Displaying Multimedia Data

Distribution Medium

  • Web pages on the Internet
  • Web pages on an Intranet
  • CD-ROM
  • DVD
  • Digital Broadcast System
slide21
Displaying Multimedia Data

Embedded Data

  • Applications include files for sound, video etc
  • These are combined (embedded) into the actual program file itself
slide22
Displaying Multimedia Data

Streamed data

  • Data broadcast over a network
    • radio stations broadcast over the Internet
    • View film clips
  • Played as it is received
  • No need to download entire file before listening/viewing it
  • Requires a plug in e.g. Real Player
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