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Chapter 1 What is IP, and Why Use it for Video?
Chapter 2 IPTV versus Internet Video
Chapter 3 Business Models
Chapter 4 Network Overviews
Chapter 5 IP—The Internet Protocol
Chapter 6 Video Compression
Chapter 7 Maintaining Video Quality and Security
Chapter 8 Sizing Up Servers
Chapter 9 The Importance of Bandwidth
Chapter 10 Set Top Boxes
Chapter 11 Internet Video Technologies
Chapter 12 The Future of IP Video
Introduction
The world is changing very fast. Big will not beat small anymore. It will be the fast
beating the slow.
—Rupert Murdoch
The traditional business model for broadcasters, which has worked reasonably well for the past few decades, is starting to break down. Increasingly, consumers are demanding (and starting to receive) their video content in ways that were impractical even a few years ago. Consider the following:
● Television Has Moved to the Web. Viewers around the world tuned in to watch the 2006 FIFA World Cup in record numbers using their PCs and other Internet connected devices. InFront Sports reported more than 125 million downloads from the fifaworldcup.com Web site of two-minute video clips with game summaries. While this number pales in comparison with the estimated 32 billion viewers of live broadcast coverage, the number of clip downloads increased by a huge factor between 2002 and 2006.
● It’s All Personal: PVR Timeshifting and Ad-Zapping. The use of personal video recorders in the U.S. has skyrocketed over the past few years, with a variety of stand-alone solutions as well as those integrated into set top boxes from satellite and cable television providers. Worldwide sales in 2005 totaled 19 million units, and 11 percent of U.S. households have units.2 Broadcast advertisers have grown increasingly upset by the practice of commercial skipping and the ... |
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发表于 2009-7-12 17:29:14
