Sunday, April 29, 2007
You think antennas are outdated? Not really!
How ironic is it? People are spending thousands of dollars on their plasma TVs and then hooking them up to $50 antennas that are no different from what we used 50 years ago on our black and white TVs. People are doing this because local channels broadcast in HD over-the-air offer much better picture than signals sent by cable and satellite companies. People laugh at the thought of using antennas for TV signals; thinking it’s really outdated. Funny enough, now it is back!
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Yes, one of the problems with cable and satellite is they don't have enough bandwidth to send a 1080P (progressively scanned) signal without using compression. Even the new Verizon FIOS system, which has a fiber optic cable that comes all the way to your house, has to use some compression. (FIOS is not available in SD county yet.)
With the antenna, there is no compression. I've looked into adding an antenna, but most of the HD signals are too far north (LA) or too far south (SD) from my house.
One of the appeals to Blu-Ray/HD-DVD is that they will be able to send a bigger data stream to your TV (36 Mbps vs 19.3 Mbps for HD broadcasts).
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