Mul$media & Mul$media System

What is Mul$media?

Mul$- means many; much; mul$ple Medium means:

An intervening substance through which something is transmiAed or carried on A means of mass communica$on such as newspaper, magazine, or television

~from American Heritage Electronic Dic3onary 1991

What is Mul$media?

Mul$media is the presenta$on of a computer applica$on incorpora$ng media elements

In general, mul$media includes a combina$on of text, audio, s$ll images, anima$on, video, and interac$ve content.

Classica$on of media types

Captured from real world

Synthesized by computer

Discrete or space-based

Con4nuous or $me-based

Origin

Time/Space nature

What is a Mul$media System?

is characterized by the processing, storage, genera$on, manipula$on and rendi$on of Mul$media informa$on

What is a Mul$media System?

What is it all about?

Mul$media Elements Sound, audio, voice and music

Graphics, photographs and image

Text, and layout video and anima$on

What is it all about?

Applica$on domain which deals how to develop mul$media applica$ons: Mul$media applica$on development method Interface design and SoOware tools element processing tools, authoring tools

What is it all about?

suppor$ng technology which deals the technology that are needed to support mul$media applica$ons, such as: Data Compression Data and le format Mul$media input, output and storage

Mul$media and the Internet

Requirement for a Mul$media System

Very High Processing Power Mul$media Capable File System Data Representa$ons File Formats that support mul$media

Ecient and High I/O Special Opera$ng System Storage and Memory Network Support SoOwareTools

Characteris$cs of Mul$media

1.They must be computer-controlled. User is able to view, hear, and see using a Mul$media

PC System.

2. They are integrated. At least one discrete and one con$nuous media

combined for informa$on presenta$on and sharing.

Characteris$cs of Mul$media System

3. The informa4on they handle must be represented digitally.

Consists of various form of media i.e. text, graphics, audio, video, and anima$ons; created, stored, processed, and transmiAed DIGITALLY.

4. The interface to the nal user may permit interac4vity.

User is able to navigate, interact, create, and communicate.

Benets of Using mul$media in soOware

Ease of use - User friendly, increase users eec$veness

Intui4ve Interface - Allows user to determine func$ons of an applica$on by their own intui$on

Immersive Experience - SoOware applica$on takes over the en$re computer screen, allows user to focus on applica$on

Benets of using mul$media in soOware

Self-paced interac4on & beGer reten4on - allows informa$on processing at ones own pace

BeGer understanding - simultaneous presenta$on of dierent media provides

richer & broader range of informa$on.

Cost eec4veness - less training, less technical support

Categories of Mul$media

Mul$media Applica$ons Linear Non-linear

What is Hypermedia?

What is Hypermedia?

Hypertext - meant to be read nonlinearly, by following links that point to other parts of the document, or to other documents

Hypermedia - not constrained to be text- based, can include other media, e.g., graphics, images, and especially the con$nuous media sound and video

Applica$ons/Products of Mul$media

Mul$media nds its applica$on in various areas Home Business Government Educa$on Broadcas$ng & Entertainment Research & Development Health Public Places

Business

Interactive Multimedia Merchandising Online-shopping Kiosks Virtual shopping / home shopping

Desktop Videoconferencing Due to the high cost of transporta$on and the large amount of employee $me spent traveling to mee$ngs, videoconferencing is on the rise.

con$nued

Multimedia Travel Systems These systems enable the travel agents to show their customers about where they will travel, what will be their accommoda$on like, and what they will be able to do at their des$na$ons.

Real Estate Mul$media systems enable buyers to visit hundreds of proper$es virtually, view on screen photos of homes, inspect oor plans, see street maps, and study neighborhood demographics.

con$nued

Corporate Training Many corpora$ons have used mul$media to reduce training cost and improve employee produc$vity.

Advertising and Electronics Brochures The electronic brochure is an adver$sing and marke$ng tool that usually consists of single diskeAe or CD-ROM sent to targeted audiences. Corpora$ons are also beginning to oer shareholders annual reports on CD-ROM.

Government

Public Service Kiosks Mul$media kiosks convey public service informa$on such as jobs and employment opportuni$es.

City-info kiosks oer to ci$zens and travelers the ability to nd informa$on on addresses, points of interest, shops, restaurants, public transporta$on, hours of opening, guided tours, city transport info.

con$nued Politics Mul$media in general and internet in par$cular are playing a big role in poli$cs and virtual campaigning where every poli$cal candidate contes$ng in an elec$on has a web site.

Consumer Information Mul$media based CD-ROMs are available which contains government informa$on on a wide variety of

topics: government forms, list of government oces in

each state, tax prepara$on etc.

Educa$on Computer Aided Learning To assist student through simula$on

for beAer understanding such as volcano erup$on, corrosion, language pronuncia$on, etc.

Virtual Campus Learning takes place in a virtual

classroom using video conferencing and online lecture so that students all around the world can aAend.

Broadcas$ng and Entertainment

Electronic catalogue

Product features and descrip$ons are adver$sed through web, CD and mobile devices.

Interactive Movie

Viewers can decide the direc$on of the plot of the movie and camera angle.

On-demand News or movies News, movies and TV series can be watched on demand through web and mobile devices.

con$nued 3D or animated movies Movies created through advance 3D technology and anima$on techniques.

Video Games Advances in the eld of mul$media have led to more aArac$ve video and computer games being available now in the consumer market.

Virtual Reality Virtual Reality refers to the use of a computer to

immerse the user into a simulated experience that it seems real. Virtual reality systems oOen use special hardware to enhance the experience, including visual displays.

con$nued

Cyber Sports Cyber Sports is the use of virtual reality to provide

computer users with a realis$c sports experience. Two new interac$ve virtual reality devices let you Swing and Hit balls at your PC.

Medicine

Virtual Surgery Virtual surgery authoring system has been created for producing surgical training simula$on.

Surgeons can use 3-D images created from magne$c resonance imaging (MRI) scans of the human body to prac$ce complicated procedures such as brain tumor removal and reconstruc$ve surgery.

con$nued

Video Conferencing and Image Retrieval The use of imaging techniques (X-Rays, CT, MRI etc) is growing in health care

Typical Applica$ons of Mul$media

Digital video edi$ng and produc$on systems Electronic newspapers/magazines World Wide Web Games On-line reference works: e.g. encyclopedia, games, etc. Mul$media courseware Video conferencing / Communica$on Video-on-demand Interac$ve movies