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What type of signal is comcast?

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Old 10-22-2007, 09:04 PM   #1
What is HD?
 

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Default What type of signal is comcast?

I am relatively new to HDTV, I am trying to find a HDTV card for my computer.

I have comcast hdtv service already, what kind of card should i get to recieve hdtv onto my pc?

I have found some that take ATSC HD but only Analog NTSC. What should i be looking for?

I appreciate ur help.
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Old 10-23-2007, 05:01 AM   #2
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Digital cable television signals are QAM.
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Old 10-23-2007, 05:54 AM   #3
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are theere any cards for pcs that will accept this signal?
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Old 10-23-2007, 07:21 AM   #4
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Yes indeed. There are quite a number of them, actually. Here's one (product codes 74021 and 74041):

http://www.hauppauge.com/pages/produ...a_hvr1600.html
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Old 10-23-2007, 07:37 AM   #5
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You need to understand that you still will not get the channels from your cable provider if they are encrypted.
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Old 10-23-2007, 08:23 AM   #6
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Quote:
Originally Posted by bingotem View Post
You need to understand that you still will not get the channels from your cable provider if they are encrypted.
Yes, what bingotem just said. Also that Hauppauge card linked only seems to be an ATSC (OTA) tuner therefore it will not receive cable based QAM channels.

ATI makes a new "ATI TV Wonder™ Digital Cable Tuner" that does receive QAM based channels, including encrypted as it uses cable cards. I believe it requires Vista.

Quote:
...When not using an installed CableCARD™, other options include Clear QAM, over-the-air ATSC digital TV, NTSC analog TV, and satellite set-top box connectivity.
http://ati.amd.com/products/tvwonderdigital/index.html
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Old 10-23-2007, 11:30 AM   #7
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Originally Posted by goober22 View Post
Yes, what bingotem just said. Also that Hauppauge card linked only seems to be an ATSC (OTA) tuner therefore it will not receive cable based QAM channels.
Read the specs....

"Digital QAM features - If you are using digital cable which broadcast the local ATSC channels, you can receive these QAM channels with the new WinTV v6 application. QAM is only supported on product codes 74021 and 74041 (found on the tuner label)."

And that's an important point. A lot of ATSC chipsets also support QAM, so a lot of tuners that seem to be ATSC only also support QAM.
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Old 10-23-2007, 07:10 PM   #8
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Really? a lot? show me. So it says it can pull in unencrypted ATSC in QAM? what does that mean? Is it QAM or is it ATSC? It can't be both. Maybe it's trying to say that if it unencrypted QAM it can pull it in but that's a poor way to explain it as cable IS NOT ATSC but QAM!!!

Bottom line is that with todays tech. you will need cable card based devices to get any RELIABLE features or channels. Times have changed. All this bull about analog dieing in 2009 and affecting people is worthless as well as most people do not get signals OTA and will not see any difference when it happens.
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Old 10-23-2007, 07:33 PM   #9
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Post WinTv 1600

I have the WinTv 1600 product code 74041.
It does receive QAM plus the others. In the menu just like the other modes you scan for clear QAM on your standard cable. The ones not encripted are added to your list of channels along with the others.
Works great.
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Old 10-24-2007, 04:38 AM   #10
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Quote:
Originally Posted by goober22 View Post
Really? a lot? show me. So it says it can pull in unencrypted ATSC in QAM? what does that mean? Is it QAM or is it ATSC? It can't be both. Maybe it's trying to say that if it unencrypted QAM it can pull it in but that's a poor way to explain it as cable IS NOT ATSC but QAM!!!
Calm down. I'm relaying what I've learned. You don't have to accept it if you don't want to. I posted it to help others. I too was confused about the descriptions. The reality isn't changed by that confusion.
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Old 10-24-2007, 04:39 AM   #11
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Quote:
Originally Posted by Albert View Post
I have the WinTv 1600 product code 74041.
It does receive QAM plus the others. In the menu just like the other modes you scan for clear QAM on your standard cable.
Thank you for the confirmation.
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