Repairing and Upgrading Your PC

TV Tuner/Capture Cards

At first glance, it seems reasonable that a computer video adapter should also be compatible with television video, but in fact computer video standards are so different from television video standards that few PC video adapters handle TV-video. There are exceptions, though, and they fall into two categories:

Dedicated TV tuner/capture cards

These cards tune a television signal and capture it for recording to disk, but do not provide standard video adapter functions. Installing one of these cards with appropriate software allows your PC to function like TiVo or another PVR/DVR (personal video recorder/digital video recorder). Hauppauge (http://www.hauppauge.com) is the best-known vendor of such cards, with their various WinTV-PVR models.

Video adapters with integrated TV tuning/capture functions

These cards combine TV tuner/capture functions with standard PC video adapter functions. ATI dominates this market segment with its RADEON All-In-Wonder (AIW) series cards. These cards are optimized for use with ATI's MultiMedia Center software, which provides PVR/DVR functions as well as other multimedia features.

The plethora of functions supported by these cards means that card bracket real estate is at a premium, as shown in Figure 10-9. This model, an ATI AIW 9800 Pro AGP card provides, from left to right, a purple Video-In connector, a standard RF-In F-connector, a black Video-Out connector, and a standard DVI-I computer video connector. Some models don't even attempt ...