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Multimedia Components

Chapter 2

TextText

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Multimedia Components

Multimedia is a combination of content forms

TEXT VIDEOAUDIO

ANIMATIONGRAPHICS INTERACTIVITY2

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Temporal & Non temporal Media

MediaMedia• Refer to Multimedia elements• Refer to Multimedia elements.• Two Media types: Temporal and Non-

Temporal

Temporal MediaTemporal Media• The media has an associated time aspect. p• Examples: Audio, video, animation, music etc.

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NonNon--Temporal MediaTemporal MediaAl k d

Temporal & Non temporal Media

• Also known as a static media.

• Examples: texts, graphics, paintings, book etc

• Multimedia applications are typically composed of both media

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Text

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Text

• What is text • How text is created and stored in

the computer• How text is used in Multimedia

SystemsAd d Di d • Advantages and Disadvantages of using textstexts

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What is Text

• Basic media for many multimedia tsystems

• Texts in the form of words, sentences and paragraphs is used to communicate thoughts, ideas and facts in nearly every aspect of our facts in nearly every aspect of our lives.

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What is Text

• Multimedia products depends on text for many things:•to explain how the application

work•to guide the user in navigating

through the applicationthrough the application•deliver the information for which

the application was designed

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Text Elements

• Text elements can be categories into:• Alphabet characters : A Z• Alphabet characters : A - Z• Numbers : 0 - 9• Special characters : Punctuation [. , ; ‘

…] , Sign or Symbols [* & ^ % $ £ ! /\~ # @ .…]

• Also known Character Sets

• May also include special icon or drawing symbols, mathematical symbols, Greek Letter etc.

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Typeface•The graphic representations of the

alphabet, numbers and special character.•Usually vary by type sizes and styles.

TEXT

y y y yp y• example : Arial and Times New Roman

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Font• Particular size of typefaces• Usually vary by type sizes and styles. • The sizes are measured in points

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Font Effects

• A numbers of effects that are useful for bringing viewer’s attention to content:• Case: UPPER and lower letter• Bold, Italic, Underline, superscript or subscript

•• Embossed Embossed or ShadowShadow

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Embossed Embossed or ShadowShadow•• CCoolloouurrss•• StrikethroughStrikethrough

Serif• Serif fonts use decorative tips or flags at

the ends of a letter strokes• Serif fonts are used for body text.

San Serif

Serif fonts are used for body text.

TEXT

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• Sans Serif fonts don’t have these features• These fonts are used for headlines and

bold statements.• Better for photocopying.

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Types of Fonts

Examples of Serif Examples of San

Times New RomanBookman Old StyleR k ll

Times New RomanBookman Old StyleR k ll

Century GothicArial

Comic Sans MS

Century GothicArial

Comic Sans MS

pfonts

pSerif fonts

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Rockwell Courier NewGaramond

Rockwell Courier NewGaramond

Comic Sans MSImpactTahoma

Comic Sans MSImpactTahoma

Tracking, Kerning and Leading

A A14

Av vAUnkerned Kerned

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Tracking, Kerning and Leading

Reading Line OneReading Line OneReading Line OneReading Line OneReading Line OneReading Line One

Leading

• Tracking : : spacing between characters• Kerning : : space between pairs of characters, usually as an

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Kerning : : space between pairs of characters, usually as an overlap for improvement appearance

• Leading : : spacing above and below a font or Line spacing

Working with Text

• Considerations and guidelines when we ki ith t tare working with text:

• Be Concise• Use the appropriate typefaces and fonts• Make it readable• Consider type styles and colorsyp y• Use restraint and be consistent

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Using Text in a Multimedia Presentation

• Anti-aliased text must be used when a gentle and blended look for titles and gentle and blended look for titles and headlines is needed.

• Ideas and concepts can be highlighted by making the text bold or by emphasizing text.

• A pleasant look can be created by experimenting with different font faces and sizes.

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How text can be used effectively

• Communicating Data

• Explaining concepts and ideas

• Clarifying other media

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Advantages Disadvantages of using texts

• AdvantagesI l ti l i i t d• Is relatively inexpensive to produce

• Present abstract ideas effectively• Clarifies other media• Provides confidentiality• Is easily changed or updated

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• DisadvantagesI l bl th th i l

Advantages Disadvantages of using texts

• Is less memorable than other visual media

• Requires more attention from the user than other media

• Can be cumbersome

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Example Usage of Text

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Example of Text

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• Multimedia applications and presentations i i bl l h f

Summary

pp pinvariably rely to some extent on the use of text to convey their message to users

• Text has many characteristics that the developer can modify to enhance the user experience• size, weight, typeface, style, colour,

kerning, tracking, etc.

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kerning, tracking, etc.

• Anti-aliasing is a technique that can be used to improve the readability of text

Next… Image

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