Objective and Subjective Assessment Methods of Video Quality in Multimedia Broadcasting
Current digital broadcasting network throughput rates are insufficient to handle raw video data in real time, even if low spatial and temporal resolution (i.e. frame size and frame rate) has been selected. Towards alleviating the network bandwidth requirements for efficient transmission of audiovisual content, coding/compression techniques have been applied on raw video data, performing compression on both temporal and spatial redundancy of the content.
More specifically, coding applications that are specialized and adapted in broadcasting digitally encoded audiovisual content have known an explosive growth in terms of development, deployment, and provision. Video coding is defined as the process of compressing and decompressing a digital video sequence, which results in lower data volumes, besides enabling the transmission of video signals over bandwidth-limited means, where uncompressed video signals would not be possible to be transmitted.
In this multievolutionary...
KeywordsPacket Loss Video Quality Error Concealment Packet Loss Ratio Broadcasting Service
Acknowledgments Part of the work in this chapter has been supported and was carried out within the framework of the Information Society Technologies (IST) Integrated Project ENTHRONE phase II/ FP6—38463.
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