Posts
5090
Joined
8/15/2006
Location
WA
US
Edited Date/Time
1/24/2012 9:07am
My son just bought a new 19" flat screen tv. How come I can only get local channels? I was always under the impression that you didn't need a converter box for new digital tv''s. Is something not set right on the tv, or something?
The Shop
HD is too complicated for you????
comcast in your area (silverdale?)
only has NTSC (regular old 320x240 low res old school tv) for up to ch 29
ATSC (new fangled HD, up to 1080i) for local channels is avail for 4, 5, 6, 7, 9, 11, 13, 16, 22, maybe a few more, but only local affiliates....
the "good" channels are encoded by comcast and you will need a converter box. they come in many flavors. see your local comcast dealer, etc.
comcast will rule the world someday !
http://www.antennaweb.org/aw/welcome.aspx
range with the digital sig are reduced and very finicky. it becomes either a perfect pic or zero pic, borderline is a jumpy perfect picture.
It is a strange set-up.
The old format standard in the US was NTSC and now HDTV is becoming the format standard. HDTV has a different aspect ratio, more pixels, and a higher frame rate which makes it a higher definition picture.
So if your TV is advertised as a "Digital" TV it is referring to DTV and doesn't need a DTV converter. Without DTV (converter, or built-in) you will not be able to watch local TV with an antenna like you could in the old days. If is advertised as an "HDTV" it is capable of the new higher definition format that the content is encoded with (broadcasts over air, cable, satellite, Blue Ray, etc). Most new TVs are probably capable of both.
The bottom line is that being a "Digital" TV has no bearing in whether you need a tuner box from your cable or satellite provider. It only means you don't need a digital converter for local TV you pull off your antenna (if you have one).
Comparing DTV with HDTV is like comparing a type of road with a type of automobile, they really can't be compared. You could compare the carrier signal, the analog signal being a "dirt road" to DTV being a "paved highway" or cable being an "multilane Interstate highway" and you could also compare the format standard, NTSC being a Chevette, HDTV being a Corvette. Both of the Chevette and Corvette (format standards) can use the same roads (broadcast standards).
It turns out you were really interested in whether or not the TV was "cable ready" and had a tuner capable of tuning in basic cable channels.
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