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| AverMedia A180 + R5E50 http://forum.linhes.org/viewtopic.php?f=2&t=14829 |
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| Author: | wfdudley [ Thu Apr 05, 2007 3:17 pm ] |
| Post subject: | AverMedia A180 + R5E50 |
Hello, Running R5E50 somewhat successfully. Trying to get over the air HDTV with AverMedia A180. Have successfully got past getting saa7134_dvb to load and firmware to load. When I try to "Watch TV" on this card, I get a display of: Signal 99% S/N 4.8dB BE 0 (1__) no lock regardless of weather I have an antenna attached or not. Other hardware in the box is Hauppauge PVR150 and PCHDTVx000 (I'm unclear on the number because I got the card a year ago and it doesn't have the model number printed on the sticker). No dtv from the PCHDTVx000 card, either. PVR150 works fine, as does analog NTSC section of PCHDTVx000 card. If I try scanning the channels from mythtv-setup, it claims to see a dozen or more channels. I'm on the fringe (50 miles or so) but I have a fairly high gain antenna with an amplifier mounted on the second story, and I can get clear UHF signals on some analog stations that also appear to have Digital TV stations that scan picks up. Does anyone know the magic incantation to get this to work? I've searched the forum and read lots on the A180 but haven't seen a solution to this (thought I did see someone else post the same 99% 4.8dB numbers). Many of the posts only seem to apply to much earlier versions of Knoppmyth than R5E50. Thanks, Bill |
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| Author: | wfdudley [ Tue Apr 10, 2007 9:04 pm ] |
| Post subject: | AverMedia A180 + R5E50 over-the-air hdtv ? |
surely somebody out there must use an A180 to get over the air HDTV? Bill |
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| Author: | cullenp [ Mon Apr 16, 2007 8:40 pm ] |
| Post subject: | A180 avermedia |
I know this is not what you'd like to hear, but . . . I got as far as you did and ended up dropping back to R5B7. In this version firmware loads and card tunes w/o issue. I figured that in time the issue would be solved. |
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| Author: | wfdudley [ Fri Apr 20, 2007 9:15 pm ] |
| Post subject: | A180 avermedia |
Thanks, at least I know I'm not the only one who can't get this to work. Bill |
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| Author: | Too Many Secrets [ Mon May 14, 2007 9:28 am ] |
| Post subject: | Re: A180 avermedia |
wfdudley wrote: Thanks, at least I know I'm not the only one who can't get this to work.
Bill Did you get any further with this issue? I seem to be having a similar problem with an ATI card. |
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| Author: | Verbatim9 [ Mon May 14, 2007 11:40 am ] |
| Post subject: | |
Amplification doesn't help as much with digital signals...if you amplify a digital signal too much, the quality of the signal degrades significantly...it's binary, so what matters most is whether the bits stand out against the noise in the background, if you amplify the signal, you increase the noise threshold and can clip off the peaks of the digital signal, which can make it unreadable. So you might also want to try reducing the gain or removing the amplification from your setup to see whether it's the amplification that's rendering the digital signals unreadable. If it turns out that you're able to tune the digital stations w/o the amplification, then you might consider splitting the signal before amplification, so your analog-only jacks get the amplified signal, while the digital jacks get a clean, unamplified signal. |
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