Re: DAB industry admits DAB is outdated

tony sayer wrote:
In article <n8HRj.80274$jH5.56377@xxxxxxxxxxxxxxxxxxxx>, DAB sounds
worse than FM <dab.is@dead.?> scribeth thus
Boltar wrote:
On Apr 28, 6:39 pm, "DAB sounds worse than FM" <dab.is@dead> wrote:
Can't help thinking thats a lot of technology to achieve
essentially the same as this:

http://en.wikipedia.org/wiki/Crystal_radio_receiver

What are you doing on a newsgroup about digital radio then?

Fair point. I dunno , I just think sometimes you can take something
too far. Its a law of diminishing returns really.


If I remember correctly, you originally replied to me after I said I
preferred DVB-H2 to DAB+. That's applicable to the UK because the BBC
currently spends something like £6m on transmission costs on its
national DAB multiplex to reach 86% of the population, it's
committed to increasing that to 90% coverage at about £11m per annum
(IIRC), but then going to 95% coverage would cost £38m per annum
according to a Freedom of Information request I made. So new more
efficient and cost-effective systems are highly relevant. It's even
more relevant to other countries that haven't started properly using
digital radio yet - using DVB-H2 would literally save them a fortune
compared to using DAB, and it would save a massive amount compared
to DAB+ as well.

So the law of diminishing returns hasn't kicked in *yet*. It will
definitely kick in once DVB-H2 has been released, because that's
using near-optimal error correction coding and it's using MIMO where
you can select the capacity you want to use by choosing how many
antennas to use (don't know what the options will be for this
though), and it's using AAC+. But there's masses of improvement to
be made over DAB and a lot to be made over DAB+.




So are car and vehicle radios ever going to be made and fitted on
these new standards if ever they are implemented;?..


DVB-H2 is coming out in 2010, and it'll be included on mobile phones, so the
volume wiill be high from the start.


--
Steve - www.digitalradiotech.co.uk - Digital Radio News & Info

The adoption of DAB was the most incompetent technical
decision ever made in the history of UK broadcasting:
http://www.digitalradiotech.co.uk/dab/incompetent_adoption_of_dab.htm


.

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