Preface to the second edition

In the four years or so since I started work on the first edition of this book, digital television has changed from being a reality to a common place. My own family is proof of this. Whether the children are watching a wide choice of programmes via digital cable in Paris or, more recently, a similar choice carried by digital satellite in the UK, they have come to expect the benefits that digital television brings; more channels, better quality, interactivity etc. In addition to this ubiquity, there have been some real technical developments too. The inclusion of a hard drive within the set-top box, speculated on in the first edition, has now become a reality with the personal video recorder or PVR permitting the ...

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