TAILIEUCHUNG - Wireless all- In-One for Dummies- P14

Wireless all- In-One for Dummies- P14:I still remember when I got my first cordless phone. Suddenly, I didn’t have to run to the kitchen when the phone rang, I just carried the phone with me. I could make a phone call from wherever I was. Wireless meant freedom, and this is just a phone that I’m talking about! | Chapter 3 Networking Your Television From PC to HDTV In This Chapter Understanding PC video formats Maximizing your viewing experience Digital Media Adapters Getting video from the PC to your HDTV Game consoles for watching PC video treaming video over wireless networks is much more challenging than audio. Even full CD audio only pushes 176KB that s kilobytes per second hardly enough to challenge even an old network in home environments. Newer or networks can handle multiple users and multiple CD-quality audio streams. Video is another beast entirely. DVD-quality video which is already compressed with the lossy MPEG-2 codec can consume as much as or over . If you re thinking about streaming high-definition video you re looking at bit rates that can approach 20 Mbps. Some pristine well-mastered Blu-ray discs approach 40 Mbps. Then there s the issue of quality of service. Quality of service or QoS is a nebulous term that tries to capture the idea that your video should look good. If you ve ever watched a video streamed from the Internet and noticed lots of interruptions or breakups in the picture that s poor quality of service. All the bandwidth in the world isn t useful if your video stream keeps getting interrupted. Modern wireless routers and streaming applications are built to try to maintain a high level of QoS. In this chapter I show you how to maximize your viewing enjoyment while streaming video captured on your PC to your living room over your network. You find out about video formats how to enhance your PC to maximize throughput and examine a couple of sample scenarios using existing hardware. Understanding PC Video Formats As with audio video is captured and stored on your PC in multiple different formats. My goal is not to exhaustively cover all possible formats but to 370 Using a PC to Maximize Your Viewing Experience explain the basic concepts in the context of getting that video from your PC to your home entertainment

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