[mythtv-users] Myth TY HD, (cable and Satellite)
beww at beww.org
Thu Sep 20 23:14:39 UTC 2007
Calvin Harrigan wrote:
> Patrick Wagstrom wrote:
>>> The FCC has not said anything about requiring US cablecos to change from
>>> analog. But one could have some suspicions that the cablecos will change
>>> to digital, in order to force people to "upgrade" to a set top box.
>> Actually, the FCC recently said that cable companies need to support
>> analog until 2012.
>> I've noticed that in the Pittsburgh area Comcast has started to
>> rebroadcast a lot of the analog channels as digital, although I'm not
>> quite certain why. For example, I get the SD versions of ABC, CBS, NBC,
>> CW, Fox, WGN, BET, CSPAN, and a handful of others as clear QAM. This is
>> in addition to the HD versions where applicable. In any case, the SD
>> over QAM signals usually are better than the analog signals. Who knows,
>> I may soon be able to get rid of my analog tuner and go all digital.
> The better picture is the actually the reason why they have done it.
> Analog cable has always been plagued with relatively poor reception for
> analog channels especially at the lower bands (2-13) where most
> broadcast channels are located.
If you believe that I have a bridge over the East River for you to
Under some conditions a cable-delivered digital signal might look better
than an analog one, but only if the cable system has real problems.
There are some situations where a cable system can deliver a usable
analog signal but the QAM ones are unwatchable.
But the main reason cable systems are moving to digital is simple: They
can shoehorn more channels on the wire.
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