Archive for November, 2009

Can I combine analog cable and digital antenna feeds together?

Thursday, November 26th, 2009
Apesbrain asked:


My current HDTV has two RF inputs: one for “off-the-air” antenna and the other for cable. Both inputs support either digital or analog signal and the TV has both ATSC and NTSC tuners. I’d like to upgrade to a new HDTV, but have to address the fact that, while it has both a digital and an analog tuner, it has only one RF input. I know I could hook up an A/B switch to manually choose between my rooftop antenna for HDTV and my analog cable feed, but that would be a hassle.

What would happen if I combined the two RF inputs into a common cable — a reverse splitter if you will — and fed it into the single RF? Would the TV be able to “uncombine” the signal and see both the OTA digital and analog cable signals separately?

Thanks.
Routing the antenna through the VCR would mean using the VCR internal tuner and it can’t receive off-the-air DTV.
@sotires
@link

Thanks for your replies. You’re right about the option of connecting the _analog_ via the VCR. I found a new TV that has both air and cable RF inputs, so hopefully the problem will be avoided.

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How do I hook up my HDTV off air antenna when I have regular basic cable?

Monday, November 23rd, 2009
Diddy_64 asked:


I currently have basic cable through Time Warner. I recently bought an HDTV with a built in ATSC tuner. Yesterday I went and got an antenna for off-air HDTV. However, my tv only has one port to hook in a cable plug. Either I have to unplug my cable to get the antenna hooked into the tv, which means I don’t get my cable channels, or vice versa.

Do I need a splitter, or how do I go about using my analog cable, and hooking up my new antenna for over the air HDTV?

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I have a ATSC tuner on my new LCD HDTV. Now what exactly do I need to watch HD?

Friday, November 20th, 2009
Jordan K ® asked:


My TV is a Sharp Aquos 37”. I want to get HD on it because standard TV looks fuzzy. I have a ATSC tuner, so what all do I need to watch to get HD? thanks

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What do you guys use for your HDTV to get your local channels in HD?

Tuesday, November 17th, 2009
Avatar asked:


If you use an antenna what kind do you use? Is an outdoor antenna better than an indoor antenna? I used a normal indoor antenna and all I can get is just ABC HD. You can get all of the local channels in HD, right? I need help on this, thanks. Oh, and my HDTV has an ATSC tuner.

This is the TV:-

http://www.circuitcity.com/ccd/productDetail.do?oid=174299
No, I don’t have cable yet.
I actually bought it at hh gregg and for a good price.

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How much is this TV worth?

Friday, November 13th, 2009
DRAGONBREATHER86 asked:


Key Features
Flat Panel Type LCD Television
LCD Response Time 8 ms
Screen Size 42 inch
Contrast Ratio 1,100:1
Digital TV Standard HDTV Television
Display Resolution 1366 x 768 pixels
HDCP Support With HDCP Support

Display Capabilities
Digital TV Standard HDTV – HDTV receiver is integrated.
Broadcast Format Displayed 480i (SDTV), 480p (EDTV), 720p (HDTV)
Broadcast Format Supported 1080i (HDTV), 480i (SDTV), 480p (EDTV), 720p (HDTV)
Built-in Tuner ATSC, NTSC
Native Aspect Ratio 16:9

Image Quality
Comb Filter 3DYC / 3D Digital
Display Resolution 1366 x 768 pixels
Pixel Pitch 0.681 mm
Brightness 500 cd/m²
Output Color 10700 million colors
Viewing Angle 178
Adjustable Color Temperature With Adjustable Color Temperature

Connectors
Rear Input Connectors 1 x D-Sub (RGB PC), 1 x RS-232C, Audio (Mini Jack) x 1, Audio (RCA) x 1, Component x 2, Composite x 1, HDMI x 1, RF x 2, S-Video x 1
Front Input Connectors Audio (RCA) x 1, Composite x 1, S-Video x 1
Rear Output Connectors Audio (RCA) x 1, Composite x 1, Optical Digital

Audio Features
Audio Type Surround
MTS Stereo SAP / MTS Stereo

Speakers
Number of Speakers 2 Speakers
Speaker Power 2 x 15 Watt
Oh sorry the brand is LG
LG 42LC2D 42 in. HDTV LCD Television

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How many channels are available on an ATSC tuner, and what FREQUENCY corresponds to each channel?

Friday, November 13th, 2009
Saturn 5 asked:


I am looking for a comprehensive listing of the new HDTV channels and the corresponding frequencies of each.

Are they all grouped in one large chunk of the spectrum, or are there multiple “bands” such as we now have with the NTSC broadcast channels?

Do all of the ATSC broadcast channels have the same bandwidth, or are there variations to allow for different content, complexity and / or quality?

Will some of the current frequencies be re-assigned to the new ATSC channels?

Thanks for your help.

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Is My HDTV HD-Built in or HD-Ready?

Friday, November 13th, 2009
aconegliano asked:


I just bought a 32′ Sharp Aquos from ebay and it says it has the NTSC/ATSC/QAM tuners built in. But it also says on the auction that its hd-ready. I thought that the tuners make it HD built in. On the manufacturers page it doesnt say built in or hd ready. Which one is it and can someone explain why?
(Link to manufacturers page)http://www.sharpusa.com/products/ModelLanding/0,1058,1943,00.html

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What’s the difference between the US DTV system ATSC and the japanese DTV system?

Saturday, November 7th, 2009
Bingo Bongo asked:


HDTV
-Cost effective (both for networks and for users)
-Interference
-Additional services

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