All posts by Briantist
Below are all of Briantist's postings, with the most recent are at the bottom of the page.
Matthew Pigg: There are no plans whatsoever.
Dover stands no change due to the proximity to other countries using the same frequencies for the com7/com8 SFN networks to work anytime this decade.
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Charles Stuart: With each version of mobile technology, there has been a form of "broadcast" or "multicast" service within the specification, such as MBMS Multimedia Broadcast Multicast Service - Wikipedia, the free encyclopedia as demonstated by Nokia Networks here Nokia Networks first to trial LTE for national TV broadcasting | Nokia Networks
However, there are a number of reasons people in the industry don't think this will work:
1) The spectrum efficiency of DVB-T2 is very high, so MBMS might work, but it can't bring any more bits to the party.
2) Mobile networks are based around "cell towers" that have a higher density than the DVB-T networks. For adoption this would mean that 95% of TVs aerial would need to be changed and the broadcasters would have to move from their large tower network to a cell network.
3) The industry understands DVB-T/T2 as it was built on the ages-old UHF analogue network, moving to a new format would mean massive re-education.
4) If you want higher bitrates for TV, then fibre-optic is the way to go. For example, I have 1,000 Megabits per second here for £20 a month. https://www.hyperoptic.co…me#2 and it's a mature technology.
5) DVB-T is a mature technology, adding it to TV sets is almost cost-free, and DVB-T2 low cost. MBMS has no installed base so the costs of any set-top boxes would be high as the R&D budget would need to be paid for.
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MikeP: re "Try an experiment with your internet service and an AM or FM radio. Set both to deliver BBC Radio 4 at 6 PM and listen for the 'pips'. You will find that the FM and AM are almost together, but the internet has a noticeable delay."
From what I recall, the delay had little to do with the internet. It comes from the encoding being done on a satellite feed!
Online the buffering delay is a function of the buffer size required by the receiver software and radios couple of hundred kilobits per second is tiny compared to a standard broadband.
For efficient video coding a large frame buffer is needed but both the encode and receiver need a defined smelling of RAM.
Quite why DAB radios have different buffer sizes is a mystery...
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Watlingfen: We know what Viacom will offer as the Spike channel exists already: SPIKE TV Official Website: Check out highlights and full episodes from your favorite SPIKE shows!
I'm not sure if we can help with Virgin here as it's not a free TV service.
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MikeB: Sorry! I fixed it. Switchovers | ukfree.tv - 12 years of independent, free digital TV advice works again.
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jb38: I'm not sure quite why, but both London LIve and STV Glasgow on satellite ARE encrypted.
It's like they don't actually want the viewers...
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The site has been extensivly tested in Chrome, IE, Opera and Firefox.
The only issue that the site requires Javascript to be on. This is 2014, after all.
How to enable JavaScript in a web browser?
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Please enable JavaScript in Firefox | WebEx
How to enable JavaScript in Opera
Thanks .
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Thursday 9 October 2014 9:29PM
MikeP: My error, I read the place as "Tunbridge"...
Do you have a postcode for the new location as you can use it on the ukdigitalradio: Coverage page?