Information systems infrastructure refers to the composite hardware, software,network resources and services required for the existence, operation and managementof an enterprise IT environment. Any system is build on an infrastructure that has aparticular architecture. Infrastructure is the actual set of components that make up asystem while the architecture describes the design of the components.It is very evident that the information technology is the key force of theemerging multimedia revolution. The technological capability increases every year incertain fields. The software plays a major role and is rapidly beginning to advancerapidly in major certain areas by making use of the previously developed softwaremodules and also the object-oriented programming. There are few aspects that are tobe discussed in regard to the evolution. They are 😕 Microelectronics? Speed Processing? Image Processing? Common Standards? Market Demand? Competition? The Multimedia Revolution? NIIMicroelectronics:The progress of microelectronics represents the key driving forces madepossible by information technology. After the introduction of integrated circuits , thecomplexity of silicon chips increased. This early progress enabled by themicroelectronics has brought the digitalization of systems more internationally.Digitalization is a powerful force towards multimedia communications.Speech Processing:Today , a single chip can recognize a 100 word vocabulary. A function thatwould have required multiple chips few years ago. We can project that the automaticspeech recognition will become commonplace. These technologies will mature variousservice capabilities based on the intelligent machines. Speech in one language willautomatically be translated into another language. This is might be synthesized with thevoice characteristics of the original speaker. Automatic speech recognition is importantto the multimedia revolution because it is a powerful technology for making multimediasystems easy to use.Image Processing:This is a method to convert an image into digital form and perform someoperations on it in order to get an enhanced image or to extract some useful informationfrom it. It is among rapidly growing technologies with its applications in various aspectsof a business.This emerging technology is related in many ways to speech processing and isanother driving force towards multimedia communications. These technologies that helpin progressing the speech processing are also increasing rapid progress in imageprocessing.Common Standards:Another aspect in the progress of evolution of the information infrastructure isthe world wide push towards common standards that will encourage global standards.For example, the Photonic transmission facilities will be based on the evolvinginternational standard called “Synchronous Digital Hierarchy”.SDH is a standard network, service providers and end users will be able touse equipment from many vendors without worrying about compatibility. SDH willprovide strong transport of broadband services.Market Demand:The demands of the marketplace sets the pace for the multimedia and theinfrastructure revolution. For most of the time the customers accepted whatevertechnological capabilities that were able to achieve. Therefore the telecommunicationindustry was supplier driven. The technology became so advanced that it made possiblemany more products and services that a normal customer was willing to pay for andwas ready to accept.Competition:The global transfer and the process of taking in and fully understandinginformation or ideas of information technology, along with the regulatory forces. Themove to privatize telecommunications around the world are leading to a stronginternational competition in providing products and services. The widespreadcompetition is another source that played a key role in the evolution of both multimediacommunications and information infrastructures.The Multimedia Revolution:Contemporary Multimedia is the development, integration and delivery of anycombination of text, graphics, animation, sound or video through a computer or anyother electronic means. We can classify multimedia into two types. They are1. Interactive Multimedia2. Non- Interactive MultimediaInteractive Multimedia:? Adaptive? Virtual Reality? Basic Interactivity- includes menu and button options to access content.Non-Interactive Multimedia:? User has no control over the flow of information.? User is an observer of information.? Developer establishes the sequence of media elements and how they arepresented.? Examples: Information kiosks, Digital animations.Factors Influencing the Multimedia Revolution:? Technical breakthroughs in hardware and software.? Integration of computers with other devices.? Expansion of creative opportunity.Summary:The growth of multimedia communications and the further competitive evolutionof our Global Information Infrastructure raises some difficult issues and challenges. Butthese advances promise a broad range of information.