Recommendations for a digital modulator

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Rentakill

41 posts

Geek

# 1621344 2-Sep-2016 12:23

Hi there.

Yes - I ended up bringing In a Satlink 6990 Dtt modulator - which generally works quite well.
Setup is quite straight forward too, the user can define the LCN - logical channel number that it will appear as on all Tvs on your local dtt distribution, aswell as name the channel too.

So far my unit has been running for about three months.

There is a few small issues that I have highlighted to the manufacturers which they say will be addresses via a software update.

1 - The Lcd display remains continuously lit (it needs to have a sleep or timeout/hibernation)
2 - The modulation isn't quite compliant with our Nz freeview - whereby some dtt televisions continuously prompt the user to perform a retune.
3 - The user is unable to select channel 0 as LCN...
4 - Component Video input instead of Composite would have been good.

While they aren't exactly big issues - it would still be nice to see them sorted.
For the cost - Around $150 - still pretty good.

richms

22735 posts

Uber Geek

Trusted

Subscriber

# 1621352 2-Sep-2016 12:36

A friend used a modulator from some local antenna supplier - it was around $1k when they got it, but I understand they are better and cheaper now.

Anyway, once they saw my HDMI to 3GSDI solution I use here, they got the same stuff from aliexpress to replace the modulator and RF amplifier/splitter that they were using. The modulator put latency on the signals, which was different on different displays like when they are on the same DVB-T broadcast, so its like bad surround and echoey with multiple displays on, and there was problems with TV's losing the modulator's channel when they were set to an off air DVB-T and needing a re-scan to be done to get it back.

If you were pushing the signal to seperate TVs over a long distance where you cant hear more than one, then I can see it would be workable, but the loss in quality (noticible on text etc) and the latency were pretty bad on it.

Richard rich.ms

Rentakill

41 posts

Geek

# 1621674 2-Sep-2016 21:23

Sound and Video Quality on the SatLink 6990 is absolutely fine.

Im only using Composite for the time being until I sort out a HDMi splitter, but for composite video quality around the house and to my Neighbours is good.

I haven't experienced and issues with my off air DTT services.

Cheers

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