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Archive for the Scientific Article category

April 20th, 2007

A Perceptual-based Quality Measures in Multimedia Communications and Broadcasting (Part 1)

Posted in Scientific Article by mkusuma

Multimedia becomes an increasingly important technology in today’s communication and broadcasting systems. One of the reasons of its growing popularity is the arrival of the ever promising third and future generation mobile radio systems as well as the digital television systems. Due to the limited bandwidth available, the multimedia data are heavily compressed prior to transmission. Furthermore, the time-varying nature of the mobile radio (wireless) channel caused by multipath propagation and the changing interference conditions make the channel very unreliable. Therefore, the multimedia services over wireless channels are impaired not only by lossy compression but also by burst errors associated with the channel. More

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