On Sun, Feb 13, 2005 at 03:03:53PM -0500, Cory Papenfuss wrote: > >This can be true, but my own experience showed the pchdtv-3000 to be > >doing not nearly as well as it could. In the sense that there were > >several channels which the card would report an unusably low signal on, > >which if I plugged the antenna into the ATSC tuner on the HDTV, it showed > >the channel, clear as a bell. > > > Remember that inside a PC is about as ugly as it gets, RF-wise. > There's a whole lot of square waves running around at 20kHz, 1MHz, 33MHz, > 66MHz, 266MHz, etc. That's a whole lotta harmonic soup inside a metal box > up at UHF (>400MHz where HDTV broadcasts usually live). Comparing a tuner > card to a real tuner (outside a PC) isn't really a fair comparison. This > whole thread stated as Air2PC vs. pcHDTV, which *is* apples-to-apples.
They do put the tuner modules in faraday cages, though. However, what you say suggests there is a real quality based reason for moving to USB-2.0 tuners rather than PCI card tuners, then.
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