HP Labs Technical Reports

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System-Level Issues for a Multi-Rate Video VOD System

Hemami, Sheila



Abstract: This document describes system-level issues for incorporation of multi-rate video into a video-on-demand system. The issues are broadly separated into two classes: rate negotiation, involving selection of a rate at which the requested video will be provided, and rate delivery, involving delivery of the coded stream to the user. Requirements of the server, the network, and the set-top box are developed, and are shown to be interrelated for design of an efficient system. Additionally, constraints are imposed on the video coding algorithm. Specific research topics for further investigation are proposed.

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