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Data Multicasting Book

Data Multicasting Book

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   Digital Video

Digital video is a sequence of picture signals (frames) that are represented by binary data (bits) that describe a finite set of color and luminance levels. Sending a digital video picture involves the conversion of a scanned image to digital information that is transferred to a digital video receiver. The digital information contains characteristics of the video signal and the position of the image (bit location) that will be displayed.

This figure demonstrates the operation of the basic digital video compression system. Each video frame is digitized and then sent for digital compression. The digital compression process creates a sequence of frames (images) that starts with a key frame. The key frame is digitized and used as a reference point for the compression process. Between the key frames, only the differences in images are transmitted. This dramatically reduces the data transmission rate to represent a digital video signal, as an uncompressed digital video signal requires over 270 Mbps compared to less than 4 Mbps for a typical digital video disk (DVD) digital video signal.

Digital Video Operation

Digital Video Diagram

   Data Multicasting Books

Data Multicasting Book

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Introduction to Data Multicasting

This book explains how multicasting systems operate, ways to form distribution trees, and group management. The different types of multicast protocols are explained along with how multicast systems can provide reliable services with different levels of quality of service. You will learn about other ways to provide multicast services such as using gridcasting or peercasting

$19.99 Printed, $16.99 eBook9.99 Printed, $16.99 eBook9.99 Printed, $16.99 eBook

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