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296 posts

Ultimate Geek
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Topic # 24940 7-Aug-2008 13:30
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Initially I was just want try out the Freeview HD goodness, but turned out couldn't find any channel to watch after purchased a
brand new DVB-T tuner and the whole thing is quite frustrating.

In my bed room where I keep my computers, I tried the small antenna come with the tuner, doesn't work at all most of the time(will cover that later), then come to DSE ang got a amplified antenna L4016, turned out doesn't work either with either PowerCinema and mediaportal (counldn't found a single chennel either!). I am even wandering if I got a faulty TV tuner?

Also tried connect ordinary roof arial plugin to my TV tuner , nothing from either DVT-T or old fashion analog, WTF?

I've used both "ScanChannelsBDA-UK" and "ScanChannelsBDA" and some time it gets not signal at all and sometimes with a strength of 60 and 0 quality or up to 10% in the first software but alternating from 0 to 50% in the second software. What even stranger is looks like either the minim antenna or amplified one don't has much difference in the signal received by the TV tuner, and some times after unpluged from antenna the TV tuner keep on receiving signal. All this things seems really strange to me, and I am afraid even I paid some pros to install a proper roof UHF antenna for me I may still couldn't get an channel at all.

As you can see I am a totally newbiew about the Freeview HD stuff and not really sure what I am doing is right or just been unlucky got a piece of broken hardware.

PS: I am living in St Johns in Auckland and seeing quite a few UHF antenna around neighbourhood and believe it is possilbe to get a good UHF signal in this area. And I do most of my experiments in my bedroom downstairs in a two level house nearby a window point out to west and I believe that is where either Remuere or Waiatarua transmitter are.

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183 posts

Master Geek


  Reply # 154973 7-Aug-2008 15:19
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I havn't tried mediaportal yet but with PowerCinema and Hauppauge WinTV the scanning was done automatically. With DVBViewer however you can select the frequency range and do a manual scan. Have a look here.
http://www.geekzone.co.nz/forums.asp?ForumId=83&TopicId=24023&page_no=1#147412

6 posts

Wannabe Geek


  Reply # 155340 8-Aug-2008 22:43
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ihave the exact same problem, let me know if you find a fix

i have a new HVR 2200 especially for the olympics in central auckland + uhf aerial and i only JUST managed to find Kordia in dvbplayer (no other apps found anything) and even then no channels are watchable besides the occasional stutter sound every 5 seconds + rare pixelated picture :(

183 posts

Master Geek


  Reply # 155418 9-Aug-2008 16:05
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That's no good man. Have you tried DVBViewer and different codecs like Cyberlink h.264/avc decoder, CoreAVC decoder etc?
Also what's your pc specs?

6 posts

Wannabe Geek


  Reply # 155421 9-Aug-2008 16:14
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got a new high spec pc -8600, core2duo etc.
tried every codec under the sun, some give a choppy picture and some don't - it seems to be fairly black and white that way.

the no channel thing was due to plugging in the vhf aeriel instead of uhf (seriously, i didnt know there were two, i've never owned a tv). now when i scan i get MediaWorks and Kordia groups showing up (gah, no Olympics yet). and every single channels cuts in and out like crazy.

i confiremed that i get a 90% good prime tv reception too.. which is uhf right? so im really confussed..

using dvbviewer

183 posts

Master Geek


  Reply # 155429 9-Aug-2008 16:31
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Your cpu is fast enough. You wouldnt want to run any other apps that use cpu though while using DVBViewer.
Prime is on uhf as analogue and freeview hd terrestrial is on uhf as digital.
You can join uhf aerial cable and vhf aerial cable into one rg6 cable with a triplexor or something. That's how mines setup.
Strange how you dont pic up the tvnz network. Did you scan the frequency range of the tvnz network in your area?

6 posts

Wannabe Geek


  Reply # 155435 9-Aug-2008 16:51
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yep i've scanned every range with several apps.
what would be the result/symptoms of using a bad codec btw?

183 posts

Master Geek


  Reply # 155442 9-Aug-2008 17:08
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Not sure why you cant pick up the tvnz network?

I guess a bad codec is one that doesnt work for your setup.


6 posts

Wannabe Geek


  Reply # 155447 9-Aug-2008 17:17
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im getting between 2 and 5MBit in DVBViewer

how does this compare to other users of it?

6 posts

Wannabe Geek


  Reply # 155448 9-Aug-2008 17:23
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actually TV3 gets 7-8MBit, but no picture or sound displaying at all.

the freeviewhd test channel is running at about 80% reception, it hicups every 2 seconds. so i don't see how this can be a codec issue..

26496 posts

Uber Geek
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  Reply # 155450 9-Aug-2008 17:36
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Sounds very much like a signal strength issue.

6 posts

Wannabe Geek


  Reply # 155453 9-Aug-2008 17:57
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im in a low area of remuera auckland, is that a problem area?



296 posts

Ultimate Geek
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  Reply # 155469 9-Aug-2008 18:46
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Thank you Charley for the information, I post a reply in Thursday and for some reason the post didn't geting throught.

Dvbviewer is not free and they don't seems have a trial for that? But I did try Transedit MMC for DVB viewer, and it didn't work. Mediaportal have special preset channel frequencies for Auckland and I did try to find signal strength using both scanchannelsbda and scanchannels bda_UK and both give me pretty bad results(low quality and half the time didn't find anything). As all thoses software failed to find a single channel for me, I think it is either a signal issue or a broken hardware. Also I did tried my HVR-900h on three different machines already, maybe I could tried using a newer driver buy I don't think it is going to working anway.

Just want to comfirm, is my case sounds like a signal issue to anyone more experienced to me(or just anyone)?

183 posts

Master Geek


  Reply # 155476 9-Aug-2008 19:31
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DVBViewer is handy for testing if you can get freeview channels because you can select frequency ranges and do a manual scans. It also has options for selecting Video renderer, Audio renderer, h.264 codec, ac3 audio decoder and aac audio decoder. That was the reason why i suggested it. Is their a free pvr that offers those features?



296 posts

Ultimate Geek
+1 received by user: 3


  Reply # 155498 9-Aug-2008 21:11
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charley: DVBViewer is handy for testing if you can get freeview channels because you can select frequency ranges and do a manual scans. It also has options for selecting Video renderer, Audio renderer, h.264 codec, ac3 audio decoder and aac audio decoder. That was the reason why i suggested it. Is their a free pvr that offers those features?


"Transedit MMC" is a free application which I download from DVBViewer website, I used it to test my signal strength and it cound't found a singal channel. I think if it doesn't work, DVBViewer will not either. And by the way I think mediaportal could used to select Video renderer, Audio renders, and codecs as well. See the guide here.

183 posts

Master Geek


  Reply # 155501 9-Aug-2008 21:18
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Can you choose the frequency range in mediaportal?



Here's another signal tester.
http://www.hauppauge.co.uk/board/showthread.php?t=12081
http://www.wintvcd.co.uk/tools/ScanChannelsBDA_UK.exe

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