how does the HD signal get to the TV??? - AVS Forum
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Old 03-15-2002, 08:05 AM - Thread Starter
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Stupid question, I am looking at putting in a Avcast video ditrbution system in my house, Avcast.com. If I Tivo things in HD will this system wok, in essence what does the HD signal travel over to the monitor or tv?

Jason
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Old 03-15-2002, 10:40 AM
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Not sure about the Avcast system but -.

1st - TIVO will not receive nor record HD signals. Maybe someday in the not too distant future this will change for the better.

2nd - viewing HD signals on a HD capable set of today requires 1 of 2 types of cables: RGB(HV) or Component (Y/PrPb). If this Avcast system re-broadcasts the audio/video on a specific channel I don't think it's going to work for HD signals. The only system that works or receiving HD using an OTA signal or sat signal is a HD STB (made by a number of manuf.)
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Old 03-15-2002, 05:15 PM
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Check out the FAQ list on their WWW site. The last FAQ says they are working on this for a future version:

Quote:
Broadband Home is looking at ways of distributing IEEE1394 data or 100Mb Ethernet data over the coax at the same time as multiple sources of video are being distributed. This will open up the ability to send Dolby 5.1 surround sound from room to room; send MPEG video from set-top box to HDTV; or send MP3 or MP4 music files throughout the house. The applications are limited only by your imagination.
The system looks pretty cool, especially once they support HDTV.
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Old 03-18-2002, 06:49 AM
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Prior to reception by the set top tuner box, HDTV over the air signals require a cable of at least UHF grade strung from the antenna through your home. I think the actual requirement is 900 MHz, you will have to double check the frequency assignments for each HDTV channel. HDTV via cable requries the same coax as the cable coming in from the street.

After reception and decoding by the set top box, HDTV requires a 35 MHz bandwidth component video cable set going through the walls to TV sets in your home. (For 1080i so few TV sets can reproduce the finest horizontal details that 25 MHz cable will usually suffice.)

Video hints:
http://members.aol.com/ajaynejr/video.htm

Remember when lines and logos burned the TV screen? I was at a concert where a musical selection made extremely heavy use of about four of the keys of the piano.
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