Interface Design for Pervasive Computing - Assignment Example

Table of Contents Executive Summery 2 Introduction 2 Usability 3 Pervasive Computing Environments 4 Online Multimedia Types and Issues 4 Usability and Pervasive computing 7 Usability issues 8 Multimedia Website Content 8 Page Layout 9 Download Speed 9 On of the main element in any multimedia website is downloading the multimedia data form the website. If that website did not support the appropriate downloading speed and mechanism for the better downloading, then user will feel directing and did not use the services of that website. If the downloading strategy is simple, better and easy then user will never feel distracting form that website. 9 Admission to the Internet can be receiving faster, however that doesn't signify that Website pages should obtain superior. Actually, Web usability investigations carry on to demonstrate that the pace webpage page downloads is extremely significant. After 10 sec, website visitors can lose interest in our website, no matter how paying attention they were in the area. We can't manage every feature of the download - consequently it's significant to do what you can. 10 Version-specific elements 10 Colors 11 Improving the Multimedia Web 11 W3C Multimedia web Content Accessibility Guideline 13 Multimedia equivalents 14 Such type of information is important for the people who did not have the ability to read the information in the textual format. So I will be really significant for these people. In a large organizational business multimedia web site we have to provide a version of such information into the equivalent multimedia format. 15 Conclusion 15 References 16 Usability issues in interface design for pervasive computing Executive Summery This research is about the analysis of the Usability issues regarding the user interface design for pervasive computing. This research is aimed to present a detailed analysis and investigation of the implementation of the usability parameters for development of web based applications. The usability issue’s investigations will present us the main user interface design weakness. In this way we will be able to design and implement a more effective user interface. Here i will pay attention to the processes and practice in development of E related multimedia web based applications. The rising trend of the internet based multimedia require us more effective user interface design and handling. Usability is the ultimate tools and methods that can ensure the appropriate user interface development and handling. Introduction In this new age of technology we did not services without the facility of the internet technology. Means in each filed of life we have the interaction with internet technology. This technology surrounded the education, production, management, health, marketing, commerce and approximately each filed of life. In this scenario we have a heavy interaction with the web based application. Only those website and online platforms attracts us those are based on the user needs, specifications and interests. A website with good interface, better user handling and fast response always makes the user happy. This research report is aimed to provide a deep insight into the application of the usability parameters regarding the web based applications design. Here I have aimed to evaluate trends, processes and practice in development of E related multimedia web based applications. This research will present the main quality parameters (usability, accessibility, simplicity ease of use, understandability, etc.) in the designing of the web based (multimedia) applications. Usability For the Usability of the multimedia website we require techniques, and measures that necessitate vigilant deliberation when budding and designing multimedia websites. The majority significant of these are things in the usability comprising ’up-front’ subjects like that situating obvious and brief objectives for a website, determining a right and comprehensive position of client necessities, making sure that the website convenes user’s hope, putting usability objectives, and offering practical content. To make sure the most excellent probable result, designers should believe a complete variety of user-interface matters, and effort to generate a multimedia website that allows the most excellent probable human performance. The present investigate recommends that the most excellent method to start the building of a website is to have a lot of special people suggest design explanations, and then to go after by means of an iterative plan technique. This necessitates carrying out the suitable usability tests and via the result to create transforms to the website (Nielsen, 2000). Pervasive Computing Environments This section will discuss about the pervasive computing technologies. Here I will elaborate the pervasive computing technologies and its interactions to usability parameters of the web design. As pervasive computing technologies turn out to be more and more prevalent as well as as community awareness of related information gathering carry out raises, recognition of these situations as well as carry out will have to be attended through a considerably comfortable, however explicable, set of confidentiality alternatives. What is desirable is a structure inside which context-sensitive, rich policies are able to be held as well as forced to manage together observation as well as exposure procedures, as reducing the load on users. In the pervasive computing it is expanding as well as authenticating: an unlocked (open), decentralized conviction administration communications for imposing context sensitive and rich privacy observation as well as revelation/exposure strategies case-based informal user interfaces to semi repeatedly confine user seclusion inclination. Online Multimedia Types and Issues Surfing the online multimedia websites is rising habit for the reason of innovative and distinctive technology, which offers amusement, information, and un limited access to huge data. For those that require time to take a seat and turn over from beginning to end a newspaper, or observe half an hour of latest, the Internet provides us a place to discover news and present events. Different from newspaper and TV, the Internet permits every person to choose the news he/she needs to read (Davis, 2000). The newspaper articles that community discovers on the web hold a variety of characteristics that vary from hardcopy print medium, a number of which are beneficial to the electronic medium (Parker et al, 1996). A number of impotents fields those have the implementation of the multimedia technology nowadays are (Parker et al, 1996): Creative industries: in creative studies the further implementation of multimedia technology is on fine arts, entertainment, commercial art, to journalism, software services etc. Commercial industry: in this area the multimedia has established its roots in the commercial advertising and in interoffice communications. Entertainment and fine arts: this is biggest implementation area of the multimedia technology that includes effects in movies and animations, multimedia games, interactive multimedia and art gallery etc (Ayre et al, 1996). Education and Engineering Industries are also the main implementation areas off the multimedia technology. Now I will present few types of internet media and then in the following section I will elaborate each media’s related problems. The main multimedia available on the internet nowadays is (Ayre et al, 1996): Online Audio Online Video Online learning through multimedia technology Online Radio Multimedia Ad Campaigns Etc. Now I will present few main facts those will show how the online multimedia technology is less effective than the traditional multimedia. I have gathered these factors by conducting an extensive research through the online web and tried to gather the main factors and key points in this area. A lot of main online music stores merely present music in single audio format. The majority labels will not permit their music to be put up for sale in the general MP3 format that music players utilize. For the majority fraction music that is sold in MP3 layout is not put up for sale at elevated bit rate encoding (Ayre et al, 1996). Geographical limits rule the majority of the online stores at the demand of record labels. Multimedia users do not have a "hard copy" of acquired music, slimier as a CD, for archiving. No multimedia back up facility as compared to CS technology where multimedia be able to generally be backed up to a CD or transportable music player. A number of online multimedia stores are not operating system autonomous and typically need utilize of Microsoft Windows to utilize their multimedia software. Frequently, prohibited downloading techniques download quicker and frequently offer additional entire versions of albums (Parker et al, 1996). Usability and Pervasive computing In this section I will present a detailed analysis of Usability and Pervasive computing interaction and working. Here I will discuss about the Usability and Pervasive computing mutual working and effectiveness for the better user interaction. Pervasive computing is the tendency regarding more and more ubiquitous (here we also designate ubiquitous computing), linked working out devices in the situation a tendency being carried concerning through a union of higher electronic as well as mainly, wireless technologies as well as the Internet. Pervasive computing strategy are not individual computers since we be inclined to consider of them, however extremely insignificant - still imperceptible - devices, also mobile or else embedded in approximately some kind of entity conceivable, as well as appliances, cars, tools clothing as well as a variety of customer products - every commune in the course of more and more unified networks (Tang, 2004). The objective of researchers is to construct a arrangement that is pervasively as well as inconspicuously entrenched in the surroundings, totally linked, instinctive, naturally transferable as well as continually available. Along with the rising technologies predictable to be happening in the persistent computing situation of the prospect are wearable systems, smart homes as well as smart structures. In the middle of the numerous of tools probable to hold up these are: area programmable judgment gates (FPLG); speech recognition; signal recognition; application-specific integrated circuitry (ASIC); structure on a chip; sensitive interfaces; smart substances; elastic transistors; reconfigurable systems; as well as micro-electromechanical structures (MEMS) (Tang, 2004). An amount of primary technological associations are discovering persistent computing. PARC (Xerox's Palo Alto Research Center), for instance, has been functioning on persistent computing functions from the time 1980s. Even though novel technologies are rising, the majority vital aims are not, essentially, to build up latest technologies. IBM's development named ”Planet Blue”, for instance, is mainly paying attention on discovering conducts to incorporated obtainable technologies by means of a wireless communications. (Tang, 2004). Usability issues This section is about analysis and investigation of the Usability issues regarding the development of the E related multimedia web based applications. Usability is vital to generate Web sites that our consumers will desire to arrival to. If they can't employ the website, they won't wait. As there are lots of particulars, there are a number of easy steps we are able to obtain to generate a multimedia website that is available as well as helpful for visitors. Multimedia Website Content This section is about multimedia website contents those are open to our web page in an internet browser. If you've fashioned a working site, we would perceive 80-90% what our clients is appear for. Though, by means of the majority sites, typically what our clients is appearing for simply comprises among 50-60% or fewer of the major segment of the web page. The rest is advertisements, puzzling website navigation, as well as irrelevant graphics. Page Layout Multimedia websites are aimed to attract the website vaster and provide a very attractive user interface and working environment. For implementing an attractive user interface we need to pay attention regarding the better page layout. Page layout is directly linked to content is how that multimedia website content is presented on the multimedia web page. At the same time researches have exposed that people are prepared to scroll to examine in the course of multimedia Web pages, if they don't discover appropriate web content rapidly, they will be additional probable to run off. Keep our multimedia website pages simple and clean. Attempt for eliminating parts as well as observe if our multimedia web page desires them, if the multimedia web-page works without them, get them out. Download Speed On of the main element in any multimedia website is downloading the multimedia data form the website. If that website did not support the appropriate downloading speed and mechanism for the better downloading, then user will feel directing and did not use the services of that website. If the downloading strategy is simple, better and easy then user will never feel distracting form that website. Admission to the Internet can be receiving faster, however that doesn't signify that Website pages should obtain superior. Actually, Web usability investigations carry on to demonstrate that the pace webpage page downloads is extremely significant. After 10 sec, website visitors can lose interest in our website, no matter how paying attention they were in the area. We can't manage every feature of the download - consequently it's significant to do what you can. Version-specific elements The discussion about the version-specific elements is also a main element of the Multimedia website. Now heavy website image and designs are developed through more powerful designing tools like Flash, Fireworks, etc. these designs are really heavy for the low bandwidth internet connection. Here we also have some web browser version specific elements those hinder in the area of the better web page design. Some old versions of Internet Browsers are not supported by the new heavy graphic based multimedia web interfaces. Here we need some new web browser or some additional codec. Through this we be able to have that graphical support. The version particular basics of HTML will routinely keep out a number of our website visitors. The simply method to be totally working is to bound yourself to HTML 1.0. Version specific or heavy user interface will load slowly or not load, so due to that the user will not feel appropriate in using the multimedia website. Colors Multimedia website must be built on a more attractive color theory. The colors of the website are the main tools for the taking the site visitor/customer attraction. Colors be able to influence the usability of our Website. The web-browsers have regular colors standard that are employed for navigational link. When we utilize additional colors, we can place the risk of puzzling our site visitor/customers. As well, colors of additional essentials of our web page are able to influence our readers. For instance, color blind clients could not distinguish color coded diagrams. Multimedia web site colors need to be more attractive and effective regarding the presentation of the multimedia material on the webpage. Here we have to use color combinations those are more appropriate for presentation of the multimedia data. Improving the Multimedia Web All the www carries on to grow the stipulation of suitable user edge is significant to its potential achievement. One major confront is that the www that has a number of well-established, apparently irresolvable anxieties. On one hand we have a arrangement that requires to be straightforward to contact and add to, and on the additional it have to as well hold a huge quantity of varied and well-off information which be able to be contacted in a assortment of methods. The stress is understand as innovative technological progress offers chances for wealthy interfaces that permit users to work together by means of information and all other in conducts not envisioned through the originators of the worldwide multimedia web (Maeda, 2004). An essential standard of HCI is that client interfaces should be simple to utilize and conventional. This is mainly significant for profitable multimedia websites because we are familiar by that in common, Multimedia web client are annoyed, need immediate satisfaction and will abscond a multimedia website if they be capable to not instantaneously form out how to utilize it. As a effect, it is significant that users be able to rapidly realize the environment of a site’s pleased, its association and the techniques through which to discover meticulous information as rapidly as they appear at a multimedia website (Multimedia web accessibility, 2009). Arrangement by means of a user’s psychological model will sustain their extrapolative and descriptive capability for considerate a communication. Disagreement among the user’s psychological model of an arrangement and the authenticity of how a system performs is able to effect stupefaction or cognitive visual projection. HCI on the multimedia web, it is helpful to construct a research structure that effort to contain the behavioral change that are happening in that means currently & what knowledge can authority those tendency in excess of the after that a small number of years. Operational inside such a structure can assist to illuminate a variety of subjects that are of significant significance to Multimedia website designers and the HCI society. It be able to as well establish tremendously practical as a method of influential how most excellent to research the efficiency of Multimedia web designs in their suitable background. Consequently, a structure will be obtainable as a method of offering a apparition for what the Human Computer Interaction Multimedia website design society should believe because the PC and multimedia web carries on to quickly progress. This structure believes human performance from practical, cognitive and genetic viewpoint, while planning out how scientific inclinations can control community models of multimedia website practice (Multimedia web accessibility, 2009). W3C Multimedia web Content Accessibility Guideline Here I will discuss about the Multimedia web Content Accessibility Guidelines 1.0 regarding the development and implementation of the online multimedia website. Here I will target only the online multimedia media multimedia web interaction in the scenario and environment of pervasive computing. Multimedia web Content Accessibility Guidelines 1.0 or WCAG 1.0 was first time available as a W3C suggestion in year 1999. WCAG 1.0 gives details how to construct Multimedia website information content available to public who have disabilities. Although WCAG 1.0 is embedded mainly for multimedia web based content manufacturers, it is as well employed through others: authoring multimedia web based tool developers utilize it to generate multimedia web tools that produce available multimedia web content, clients manager developers employ it to generate multimedia web tools that make use of available content, and assessment tool developers utilize it to generate tools that find out ease of access subjects by means of content (Multimedia web Content Accessibility Guidelines 1.0, 2009). The multimedia web is turning out to be more important information reserve for public by vision disabilities. At the present they do not for all time require inquiring for visionary people to search for the data and information they require. They be able to get several kind of data and information through themselves from all over the globe each time they require it through contact to the internet. Screen readers and Self-talking internet browsers have been urbanized and enhanced alongside by means of the development of the Multimedia web to assist sightless people gain data and information from the internet (About accessible design, 2009). From the time late 1990s, though, the internet accessibility has been turning out to be a grave subject for people by means of disabilities. The internet is turning out to be a great deal extra illustration and visually compound documents and edge like that the Flash and JavaScript are included addicted to internet pages. A number of these illustration parts are not available by means of screen readers and self-talking browsers. To resolve similar accessibility subjects, a variety of hard work are happening internationally (Multimedia web Content Accessibility Guidelines 1.0, 2009). Multimedia equivalents In this scenario we are asked to provide the multimedia (non-text) equivalents to the original data and information contents. Here we have to provide these alternatives for the people who do not read well or not at all (Multimedia web Content Accessibility Guidelines 1.0, 2009). But it is always not easier to understand a multimedia presentations equivalents text. So we need to concentrate on the type of information that we are going to convert in non text format. Examples of information and data that can be converted into equivalent multimedia format can be: Chart of complex data Sales figures Business data Such type of information is important for the people who did not have the ability to read the information in the textual format. So I will be really significant for these people. In a large organizational business multimedia web site we have to provide a version of such information into the equivalent multimedia format. Conclusion As concluding the whole discussion I have presented the deep analysis of the Usability issues regarding the multimedia user interface design for multimedia website for pervasive computing. Here I have introduced the all aspects of the usability implementation in the area of the multimedia website development in area of the pervasive computing technologies. This research has outlined the main areas of the pervasive computing technologies those need more attention regarding the implementation of the usability of guidelines. I have outlined the main usability issues and there solutions. Here I have also presented the Multimedia web Content Accessibility Guidelines 1.0 or WCAG 1.0 presented by the WC3. Here I have only pointed out the Usability issues regarding the multimedia user interface design for multimedia website in pervasive computing. References 1. Ayre, Jim (ed). et al., (1996) The Multimedia Yearbook, 5th ed. TFPL Multimedia, London. 2. Parker, Dana (1996) 'The evolution of the disc: formats that time forgot', CD-ROM Professional, 9 (6) pp.91-92. 3. Janal, D. S. 1995. Online Marketing Handbook. New York: Van Nostrand Reinhold. ISBN: 0442020589 4. Stewart, C and Kowaltzke, A. 1997, Media: New Ways and Meanings (second edition), JACARANDa, Milton, Sydney. pp.102. 5. Maurer, Wendy. "THE DYNAMICS OF MUSIC DISTRIBUTION". http://www.chime.com/about/press/iris_online-9501.shtml. Retrieved on 2008-04-21. 6. Davis, J. 2000. A Guide to Multimedia web Marketing: Successful Promotion on the Net. UK: Kogan Page Limited. ISBN 0749431857 7. About accessible design. (n.d.). Retrieved 06 01, 2009, from About accessible design: Http://www.accessibility.nl/internet/ebrochure/brochure/chapter12.htm 8. Maeda, J. F. (2004). Multimedia web accessibility technology at TRL. In IBM Research and Development Journal . 9. Nielsen, J. (2000). Designing Multimedia web Usability: The Practice of Simplicity. New Riders Publishing, Indianapolis, IN. 10. Tang, B. A. (2004, 07 12). Pervasive computing. Retrieved 6 02, 2009, from SearchNetworking.com: http://searchnetworking.techtarget.com/sDefinition/0,,sid7_gci759337,00.html 11. Multimedia web accessibility. (n.d.). Retrieved 6 1, 2009, from Multimedia web accessibility: http://www.ibm.com/us/en/, 12. Multimedia web Content Accessibility Guidelines 1.0. (n.d.). Retrieved 6 01, 2009, from Multimedia web Content Accessibility Guidelines 1.0: http://www.w3.org/ Read More