Rogerio Bittencourt⁽¹⁾, Marco Antonio Pinheiro^(2)
(1)(2)Universidade do Vale do Itajai - Sao Jose. Brazil

	[New Technology]	[Health Informatics]	[Physical Therapeutics & Rehabilitation]

2. Multimedia, Hypermedia and Hypertext Concept

For ⁽¹⁾, the most common definition of multimedia is "the inclusion of sounds, animation, static images, hypertext and video employed with computing technology."

According to ⁽²⁾, multimedia is "any combination of text, graphic art, sound, animation and video transmitted by computer". The possibility to control when and which elements will be transmitted at a certain moment, is called interactive multimedia. If a structure of linked elements which the user can move through is given, the interactive multimedia becomes hypermedia.

For ⁽¹⁾, "hypertext is a new technology that allows the listing of all the words of a document and the creation of hot links among different sections of the document." The hot links, which are part of the hypertext, allow the reader to skip intuitively through different topics and check definitions in windows on the screen.

According to ⁽³⁾, "hypermedia is a term that has been created to describe an interactive system or document." The name comes from hypertext, an interactive system that has been developed to allow linking in text materials.

For ⁽⁴⁾, "hypermedia must be thought as a structure of menus able to skip from one place to another, anytime." The basic principle of a hypermedia application is to have hundreds of crossed links among sections about the same issue so that the research can be done without the use of menus.

⁽²⁾, says that the combination of texts, graphics and audio elements, called multimedia, becomes interactive multimedia when the user is provided with some control of the information that is viewed and when it is viewed. The interactive multimedia becomes hypermedia when its developer provides a structure of linked elements through which a user can move and interact.

 

2.1 Hypermedia Structures

According to ⁽²⁾, there are two words often used in hypertext systems, links and nodes. Links are connections among conceptual elements which are nodes containing text, graphics, sounds and information related to knowledge basis.

⁽²⁾, says that, "...links connect Caesar Augustus to Rome, grape to wine and love to hate." The art of hypermedia development is in viewing the nodes and links so that they make sense becoming the cornerstone of a knowledge access system.

⁽²⁾, states that links are ways and motion menus; and nodes are topics, documents, massages and elements of accessible contents.

Discussion Board

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[ABSTRACT] [1. Introduction] [2. Multimedia, Hypermedia and Hypertext Concept] [4. Auditory Training] [3. A Project Methodology for Hypermedia application - OOHDM] [5. System Description] [6. Conclusion] [Annexes] [BIBLIOGRAPHICAL REFERENCES] [Discussion Board]

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	[New Technology]	[Health Informatics]	[Physical Therapeutics & Rehabilitation]

Rogerio Bittencourt, Marco Antonio Pinheiro
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Last update: 16/01/00