On Fri, 18 Feb 2005, Preston Crow wrote:
> I've been confused on the meaning of DVB until recently, so I'll try to > help out. If someone notices that I didn't get it quite right, please > jump in and correct me. > > On Fri, 2005-02-18 at 10:29, [EMAIL PROTECTED] wrote: > > Would some of you mind offering a little info about ATSC/DVB? > > I've done a bit of reading and understand there basically just two different > > standards. A message on another mailing list mentioned that DVB was a > > European standard and ATSC was in the US. But, while browsing a web site > > that listed free satellite channels in the US most listed their video type > > as DVB. I live in the southern US. What kind of equipment should I be > > looking for? I'm a bit new to this. At present all I own is a 12 year old > > 19 inch portable TV with rabbit ears. No cable or satellite so I need basic > > info if I'm going to build a high definition PVR. You guys at mythtv seem > > quite knowledgeable. Hope you don't mind sharing. > > Yes, it's confusing. DVB stands for "digital video broadcasting," I > think. ATSC is the American standard for broadcasting digital > television--think of it as the digital version of NTSC. Europe uses a > different standard for digital TV that is commonly known as DVB (even > though ATSC is a form of digital video broadcasting). > > And the confusion is only beginning. > > Linux has two sets of driver interfaces for video. There's the > video4linux drivers. That's what most video cards work with, including > the official drivers for the HD-x000 cards. There's also the DVB driver > interface. That's what one unofficial HD-3000 driver and the regular > Air2PC drivers use. The linux driver model that is used for the card > doesn't depend on the broadcasting standard. > > So if you're living in the USA, and you want to capture broadcast > digital video, you need an ATSC tuner card. If it supports ATSC, it's > what you want. Well, if you want to use it with MythTV, then you need > Linux drivers that MythTV supports. So you want the HD-3000 or the > Air2PC card. Thanks, that helps a bit. So a Air2PC, already ordered, will allow me to receive local OTA HDTV transmitions. If you take a look at http://www.lyngsat.com/freetv/United-States.html, what type of receiver do I need for these channels? Richard > > --PC > >
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