[mythtv-users] Semi-OT: DVB in USA?
Kichigai Mentat
kichigai at comcast.net
Tue Apr 4 15:17:20 UTC 2006
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On Apr 3, 2006, at 18.16, Todd wrote:
> In the US, you will not see DVB-T OTA. In the US, I am using an
> ATSC tuner
> to capture digital HDTV OTA. See:
> http://en.wikipedia.org/wiki/ATSC
> I am using an Air2PC from here:
> http://www.cyberestore.com/product_info.php?cPath=28&products_id=103
> It also decodes QAM16/64/256 so it will render unencrypted Cable
> TV; DVB-C.
I thought QAM was significantly different from DVB-C.
>
> You will see DVB-S, but mainly encrypted on small dishes. For
> instance,
> Dish network:
> http://www.lyngsat.com/packages/dish110.html
> ...You can see all the satellites, what band they are, what
> channels they
> have and if they are encrypted using this site.
Yeah, I discovered that site. Unfortunately, some of the channels I
was hoping for aren't available.
>
> To see what OTA HD (ATSC) you have in your area, check:
> http://www.checkhd.com/
>
> ...ironically, I don't have any HD TV's in the house, I down convert
> everything (using myth) to watch TV. I just wanted another tuner with
> perfectly clear (or nothing at all) reception.
Yeah, that's kind of what I want! Looks like I'll have to resort to
digital cable through my PVR-150 for anything like that. My Myth
Backend isn't powerful enough to handle HD down conversion, and my
front-end can't do it on the fly.
>
> Todd
Thanks for the help!
>
> ----- Original Message -----
> From: "R. G. Newbury" <newbury at mandamus.org>
> To: "Discussion about mythtv" <mythtv-users at mythtv.org>
> Sent: Monday, April 03, 2006 2:01 PM
> Subject: Re: [mythtv-users] Semi-OT: DVB in USA?
>
>
>> Steven Adeff wrote:
>>> On 4/2/06, Kichigai Mentat <kichigai at comcast.net> wrote:
>>>
>>>> Hello. I've been looking around the mailing list, and on the
>>>> internet, and I'm wondering, what's the story with DVB in the
>>>> United
>>>> States? According to a map I found on the Wikipedia, DVB-T is
>>>> supported in the US, but I can't find anything else to back that
>>>> up.
>>>> Finding a US version of a DVB tuner is rather interesting (though I
>>>> don't suppose they would be regionalized). However, I have heard a
>>>> few US residents on the list mention that they had experience with
>>>> DVB (don't know if it was while they were outside the US, or what).
>>>>
>>>> Does anyone know what the story with this is?
>>>>
>>>> Thanks for all the help.
>>>
>>>
>>> well, our OTA HDTV is captured using devices that use the DVB driver
>>> system. Also Dish Network and Bell (Echostar companies in the US and
>>> Canada) use DVB-S, as well as there are a few other FTA DVB-S
>>> satelites receivable here. I don't know of any DVB-T stations in the
>>> U.S. personally, but I've never really looked. I don't believe there
>>
>> I think the equivalent here is: DVB-T = US/Canada OTA Digital and
>> needs
>> an HD3000 and antenna
>>
>> DBB-S = US/Canada satellite, generally restricted to FreeToAir, of
>> which
>> there are lots of specialty channels available: needs a receiver and
>> (steerable) dish. Can receive the unencrypted channels from
>> commercial
>> sat providers such as Bell Expressvu and EchoStar (but not, I
>> understand, DirectTV). In addition, apparently also needs an HD3000
>> card...(makes no sense to me: I would have thought that the receiver
>> would do that, but maybe not)
>> See lyngsat.com for available channels: There are both Ku and C band
>> channels available. C band are the 3+ meter dishes.
>>
>> DVB-C = US/Canada digital cable feed which will carry analog channels
>> (SD only) and digital feeds (SD and HD feeds). The HD feeds will
>> likely
>> be encrypted and will need a set-top box+ firewire output feed to
>> talk
>> to MythTV. Unencrypted feeds (SD level and HD unencrypted) can be
>> dealt
>> with by HD3000.
>>
>> Someone correct me if I'm wrong here. It *would* be nice to be
>> sure that
>> we are actually talking about the same thing, even if we use
>> different
>> words to express that meaning. (Winston Churchill's comment comes to
>> mind: Two nations divided by a common language...)
>>
>> Geoff
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