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Question by Christopher: ATSC TV Tuner = HD TV Tuner?
Can someone explain ATSC to me. I thought I understood but, i guess not. So i found this (http://cgi.ebay.com/Toshiba-DR570-DVD-Recorder-w-Built-in-HD-Digital-Tuner-/370414308607?pt=DVD_Players_Recorders) and it says it has an HD tuner(ATSC/NTSC) built-in. When I look up ATSC (http://dvr.about.com/od/dvdrecorders/qt/atsc.htm) they say right away, “An ATSC tuner or HDTV tuner, allows reception of digital television…”. Does this mean that an ATSC tuner IS an HDTV tuner? If so, when they go on to say that all products made after some date long ago that include tuners must use ATSC tuners, are they all capable of “tuning” HD, because then I look at this ( http://cgi.ebay.com/PHILIPS-DVDR3505-DVD-RECORDER-W-BUILT-SDTV-TUNER-/120608168491?pt=DVD_Players_Recorders ) and it says its an SD tuner, and I get confused.
Basically, I would like to get an HDTV tuner that will allow me to take out of the wall cable provided by the university which has a few HD channels, and be able to watch HD football on sundays through a projector. would the first link or something similar which is noted as HD be a good purchase for my desired use?
Answer by Stephen P
>ATSC TV Tuner = HD TV Tuner?
ATSC = tuner for digital over the air (antenna) TV signals
QAM = tuner for non-scrambled digital cable TV signals
NTSC = tuner for analog cable TV signals
All ATSC/QAM tuners can receive HD quality signals but many of them down convert the signal to SD quality. As far as I know all tuners on DVD recorders down convert the signal.
If you connect one of these recorders to an HD signal & a HD capable projector, all you get is an unconverted SD quality signal.
>I would like to get an HDTV tuner that will allow me to take out of the wall cable provided by the university which has a few HD channels,
Information you need:
What is the native resolution of the projector?
What kind of input connectors does the projector have?
Does the cable system use ATSC or QAM for it’s digital channels? Major cable companies use QAM, but come smaller systems use ATSC.
If you have a fast enough computer it’s probably best to just buy a USB ATSC/QAM/NTSC Digital TV tuner like this one. (Example http://www.walmart.com/ip/Hauppauge-1191-WinTV-HVR-950Q-for-Laptop-and-Notebooks/13215228?wmlspartner=GPA&sourceid=4444444444_454462111#ProductDetail )
Just make sure the computer has a video output that is compatible with the projector.
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