1.1 What is Multimedia Multimedia

Refers to presenting information with the following elements

Multimedia

AnimationAudio VideoText Graphics

Effective in presentation and communication

1.1 What is Multimedia Text

A sequence of characters readable by humans

Commonly used to present information on the World Wide Web

Text file

Word Processin

g Document

(DOC)

Hypertext Markup

Language (HTML)

Portable Document Format

(PDF)

Plain Text (TXT)

Rich Text

Format (RTF)

File Formats

1.1 What is Multimedia Graphics

A pictorial representation of information Readily visualized by the audience

Graphics

• Windows metafile (WMF)

• Freehand (FH)

• Adobe Illustrator (AI)

• Shockwave File (SWF)

• Bitmap (BMP)

• Joint Photographic Experts Group (JPEG)

• Tag Image File Format (TIFF)

• Graphics Interchange Format (GIF)

Bitmaps Vector

File Formats

1.1 What is Multimedia Audio

Audible sounds Can draw the attention when used

appropriately

Audio

Wave (WAV)

Audio Interchange File Format

(AIFF)

Windows Media Audio (WMA)

MPEG-1 Audio

Layer-3 (MP3)

Real Audio (RA)

File Formats

1.1 What is Multimedia Video

A sequential delivery of image frames with audio Describes a special perspective of the real world Demands the largest amount of computer resources to

produce, process and deliver

Video

Audio Video

Interleave (AVI)

Moving Picture Experts Group

(MPEG)

QuickTime Movie

(MOV, QT)

Real Video (RV)

File Formats

1.1 What is Multimedia Animation

Simulation of continuous motion by displaying a series of images of frames

Video captures continuous motion breaks the motion into individual frames

Animation starts with independent frames and simulates continuous motion

Animation

Flash movies (SWF)

GIF animations (GIF)

File Formats

1.1 What is Multimedia Animation

Simulation of continuous motion by displaying a series of images of frames

Video captures continuous motion breaks the motion into individual frames

Animation starts with independent frames and simulates continuous motion

Animation

Flash movies (SWF)

GIF animations (GIF)

File Formats

1.2 Use of Multimedia Multimedia in Business

Product demonstration

Presentation

Advertising

Staff training

1.2 Use of Multimedia Multimedia in Business

PresentationsPast Present

•Use of slides or transparencies

•Use of laptops and computer projectors

1.2 Use of Multimedia Multimedia in Business

MeetingsPast Present

•Have to meet face-to-face

•Video-conferencing

•Requires only web cameras and writing boards

1.2 Use of Multimedia Multimedia in Schools

Teachers can use educational CD-ROMs to conduct demonstrations in classrooms equipped with computers and projectors.

They can also distribute multimedia learning materials to students through web-based learning systems

A web-based learning system

Multimedia presentation

1.2 Use of Multimedia Multimedia in Schools

Multimedia technologies help students develop self-learning habits

A self-learning web site

A learning CD-ROM

1.2 Use of Multimedia Multimedia in Public Places

Multimedia kiosks and large display panels are commonly found

Interactive kiosks Large display panel

1.2 Use of Multimedia Multimedia in Public Places

Multimedia kiosks and large display panels are commonly found

Interactive kiosks Large display panel

1.3 Digitalization of Multimedia Elements

Digitalization The process of converting analogue

signals such as images, characters, sounds or videos to digital signals

For example:

Analogue signals

Video capture card

Digital video files (MPG, AVI)

Digital data

More efficient and convenient to process, store and duplicate.

1.3 Digitalization of Multimedia Elements

Digitalization A balance has to be made between

the quality and size of the digital file In general, higher quality → larger size

1.3 Digitalization of Multimedia Elements

Digitalization A balance has to be made between

the quality and size of the digital file In general, higher quality → larger size