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85 posts

Master Geek

Topic # 32545 20-Apr-2009 09:34
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I have an issues with my MP setup. I have occasions glitches when watching live/recorded TV on my HTPC via my HVR3000 with FreeView DVB-S. I do not have any problems with DVD's or other video formats.

I am pretty sure these are related to the quality of my signal, but there are somethings that do not seem to add up which makes me believe there may be a gap in my knowledge about the whole broadcast/processing knowlege that someone here may here who can offer some assistance that will help me fix my problems.

The coax from the standard Sky dual LNB is connected to a Hills splitter that feeds my Sky Box (broadcast subscription) and HVR3000. The cables are not flash (standard Jaycar 1.5m premaid type), although the a straight connection to the HTPC does not seem to make any difference to the problems.

The Sky box is reading a signal strength of ~52 (i.e. 1-2 green bars) and the quality is about the same. I have not managed to figure out how to get the signal strength on the HTPC box :). I am using Dscaler for MPG2 work on the box.

The Sky box runs without issues, not signs of 'blockiness' that would indicate poor reception and i have not had a rainfade day in a while. The dish is on the side of the house and there may be a neighbours trees clipping my signal.

The HTPC is a different story, on all of the TVNZ channels i get occasion stuttered frames (rate of about 1-2/30sec), but on the TV3 channels this does not occur! So i am a little perplexed by it all, it stands to reason that the two groups broadcast a little different, but should that affect my reception?

So, what i am interested in finding out it as follows:
1) Do TVNZ and TV3 broadcast/encode differently?
2) Is the Sky box better set up to handle a lower signal quality?
3) Should i complain to Sky to get the dish moved to a more suitable location on the house away from trees? or should i move it myself?
4) Would a faster machine handle the low strength signal better?



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83 posts

Master Geek

  Reply # 208291 21-Apr-2009 09:29
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The problem is caused by TVNZ reducing the bitrate of the TVNZ feeds while they test regional versions of TVOne.
TV2 has been absolute crap while they do this 'Testing'
here is some  links that shows TVOne & 2's bitrate

TV2 seems to be effected the most, it would be great if you could send a complaint to TVNZ otherwise they will think no one has noticed and keep the bitrates low.
heres the contact address

Standard DVD bitrates are around 5-6mbps, TV2 has averaging about 2.5mbps since they started 'Testing'

there is another geekzone forum which has been monitoring the bitrate issue

"Freeview, Crystal Clear (Pixelated) Digital Quality Televison"

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