Digital TV Primer
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The Future of DVD

This article describes the beginnings of the format war between the two high-definition movie optical disc formats -- Blu-ray Disc and HD-DVD. It also describes some of the technical differences in the two formats and looks at the marketing advantages of each.

Audio

Half of TV is audio, and the audio capabilities built into most TV sets is rudimentary, especially for watching DVDs. This article describes some of the options for A/V receivers and separate speakers. Also includes a look at the new lossless, "high-definition" audio formats.

Free TV

The coming of high-definition has brought about a resurgence in interest for free over-the-air TV. Because cable and satellite providers lagged behind broadcasters high-definition programming, a lot of people are taking another (or first) look at antennas. This article also explains the new system of digital channel numbers.

Cable TV

The cable industry is going through its own transition to the digital distribution of its programming, which high-definition or analog standard-definition. Cable companies are also now using their systems for broadband data and VoIP (voice over internet protocol). Everything cable is in a high state of flux.

Satellite TV

The satellite companies are not sitting still. They are moving rapidly to embrace HD. DirecTV already provides local HD channels in many local markets, and in 2007, they are launching new satellites that will expand their HD capacity to 1500 local channels and 150 national HD channels.

TV Markets

The TV business is organized and regulated by "markets". This list is provided for reference and lets you know how big your local market is.