Download An introduction to digital media by Tony Feldman PDF

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By Tony Feldman

During this transparent and hugely obtainable ebook, Tony Feldman offers an account of the evolution and alertness of electronic media. Clarifying its underlying applied sciences, he identifies its large advertisement and human strength. utilizing as a kick off point a simplification which considers new media in designated sectors; packaged "off-line" media akin to CD-ROMs; and the area of transmitted media which include electronic broadcasting and interactive on-line prone, Feldman offers a accomplished evaluate of the electronic media panorama. targeting multimedia and the leisure media he describes and analyses the miraculous upward thrust of CD-based details and the both innovative improvement of the net and on-line prone. Set inside a advertisement context, readers can establish the aptitude to generate profit and cash in on the hot media. An creation to electronic Media concludes with a strategic evaluate of the consequences of going electronic for people, businesses and companies.

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The real difference in designing interactivity for multimedia lies in multimedia’s added richness and complexity. To design a means of navigating effectively amongst thousands of images, video sequences, sound, text and numerics, all seamlessly combined as a single information resource, is a challenging problem and one that lies at the heart of successful multimedia applications. Indeed, interactivity largely defines the user’s experience of a multimedia product. After all, the AN INTRODUCTION TO DIGITAL MEDIA 15 content and potential benefits of such a product will be irrelevant if its users do not find the means of accessing it easy-to-use, powerful and compelling.

Translating the colour quality required into digital terms means that each of these dots has to be addressed by the equivalent of 16 bits of information. Therefore 25 frames per second equates to around 20 megabytes of data every second. This is the rate of data transfer needed to produce television quality video in full motion on a full screen. Even a single, still image at this quality requires about 800 kilobytes of data. AN INTRODUCTION TO DIGITAL MEDIA 27 It is worth noting—because it is a widely exploited feature of PC-based multimedia—that it does not have to be like this.

Otherwise, increased customer choice rapidly becomes a bane, not a boon. Navigation software must give customers an easy-to-read, easy-to-use road map of everything they can have, so they can get what they want with no fuss and definitely no prior training. If it is only a partial map, if it is inaccurate, if it is hard to read—the new world of abundant media choice will fall flat on its face. So interactivity and interactive design counts in a big way even when it is only a pathway to linear experiences.

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