On Sat, 29 Jan 2005, Nate Carlson wrote: ][Sorry to post this on the dev list, but afaik the air2pc card is only ]supported in CVS, so wanted to make sure I get accurate answers - feel free to ]tell me to shaddup and go to users.]
This really should be a question for the users list, but I'll answer it here because I think this needs to be explained by the developers. ]A few questions: ]1) As I understand it, with the air2pc card, it may be possible in the future ]to record more than one subchannel (of a single channel) simultaneously. Is ]this also the case with the pcHDTV cards? This will be the case for the Air2PC and both pcHDTV cards fairly soon. Not in 0.17, but probably shortly after the release. ]2) Which card has a better chance of being able to capture unencrypted hdtv ]over cable streams (QAM?) in the future? I don't know about the Air2PC, but I know the HD-2000 is unlikely to ever support QAM, while the HD-3000 will support it fairly soon. Myth needs a few small changes to support Cable ATSC, but I'm supposed to get early access to the QAM decoding, so these changes may already be in CVS when the QAM supporting driver is released. ]3) Anything else to keep in mind between the two cards? The pcHDTV HD-2000 has two coax inputs so you can dedicate one input to NTSC and the other to ATSC, which is kind of neat. The HD-3000 only has one coax input but has an SVideo input. The HD-3000 also has slightly better ATSC reception than the HD-2000. I believe they are also both PCI v2.2 cards, so they do not work with all motherboards. The NTSC input is not currently supported when you are using the ATSC input for MythTV, but you can use the patches for this at: http://www.mrl.nyu.edu/~danielk/mythtv or wait a week or two for a simpler approach that I'm currently debugging in my tree. The Air2PC has one coaxial input, and I believe it only supports DTV and not analog TV. However, the Air2PC is also about $30 cheaper, and includes a on-chip MPEG2 decoder (not currently used). It should also be kinder to cheap or poorly configured motherboards when recording a single show, since it does pid filtering on-chip. -- Daniel
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