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no HD channel 50 from Angus transmitter



 
 
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  #1  
Old December 18th 10, 11:21 PM posted to uk.tech.digital-tv
David Wilson
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Posts: 10
Default no HD channel 50 from Angus transmitter

I have a Sony TV with an HD digital tuner.

I can get STV HD, Channel 4 HD and BBC HD but no channel 50 BBC1 Scotland
HD.

I rescanned the channels but I still don't get it. At digital switchover in
August I got BBC HD on channel 50, it is now on channel 54

Or am I not supposed to get it?

I only noticed this the other day as I normally watch via Sky but it was
acting up because of the snow.




  #2  
Old December 19th 10, 12:23 AM posted to uk.tech.digital-tv
Brian Gregory [UK]
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Posts: 418
Default no HD channel 50 from Angus transmitter

"David Wilson" wrote in message
...
I have a Sony TV with an HD digital tuner.

I can get STV HD, Channel 4 HD and BBC HD but no channel 50 BBC1 Scotland
HD.

I rescanned the channels but I still don't get it. At digital switchover
in August I got BBC HD on channel 50, it is now on channel 54

Or am I not supposed to get it?

I only noticed this the other day as I normally watch via Sky but it was
acting up because of the snow.


As far as I know you should get a full set of Freeview HD.
There is no reception problem that could wipe out some of the HD channels
and not others since they are on the same multiplex.

Try another rescan in case it was a weird temporary fault at the
transmitter,

If that fails try a full reset and rescan in case the TV has got it's
knickers in a twist.

--

Brian Gregory. (In the UK)

To email me remove the letter vee.


  #3  
Old December 19th 10, 12:55 AM posted to uk.tech.digital-tv
J G Miller[_4_]
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Posts: 5,296
Default no HD channel 50 from Angus transmitter

On Sat, 18 Dec 2010 22:21:26 +0000, David Wilson wrote:

I can get STV HD, Channel 4 HD and BBC HD but no channel 50 BBC1
Scotland HD.


That is because there is no BBC-1 Scotland HD (at the present time).

There is only BBC-1 HD on LCN 50.
  #4  
Old December 19th 10, 11:01 AM posted to uk.tech.digital-tv
Scott[_4_]
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Posts: 1,811
Default no HD channel 50 from Angus transmitter

On Sat, 18 Dec 2010 23:55:55 +0000 (UTC), J G Miller
wrote:

On Sat, 18 Dec 2010 22:21:26 +0000, David Wilson wrote:

I can get STV HD, Channel 4 HD and BBC HD but no channel 50 BBC1
Scotland HD.


That is because there is no BBC-1 Scotland HD (at the present time).

There is only BBC-1 HD on LCN 50.


Any idea when this is likely to change? They do say this is 'at
present' so it seems it is expected to change. Also, do you know the
reason? If the BBC Scotland programmes can be sent to the
transmitters in Scotland on SD, why should HD be any different? I
know the programmes are not all made in HD, but neither are the all
the BBC1 programmes. I thought Pacific Quay was state of the art, so
I assume it has HD capability.
  #5  
Old December 19th 10, 11:35 AM posted to uk.tech.digital-tv
Mark Carver
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Posts: 6,528
Default no HD channel 50 from Angus transmitter

David Wilson wrote:
I have a Sony TV with an HD digital tuner.

I can get STV HD, Channel 4 HD and BBC HD but no channel 50 BBC1
Scotland HD.


As pointed out, you won't get BBC 1 HD Scotland, it'll be the national BBC 1
HD version from London, however that should have popped up on Ch 50.

Check it's not ended up in the 'scratchpad' area at Ch 800 or above ? If it
has, you can remap it to Ch 50, (Digital Tuning-Manual Edit mode) or perform a
factory reset, and then run a new rescan.


--
Mark
Please replace invalid and invalid with gmx and net to reply.

www.paras.org.uk
  #6  
Old December 19th 10, 12:46 PM posted to uk.tech.digital-tv
Richard Tobin
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Posts: 1,351
Default no HD channel 50 from Angus transmitter

In article ,
David Wilson wrote:

I can get STV HD, Channel 4 HD and BBC HD but no channel 50 BBC1 Scotland
HD.

I rescanned the channels but I still don't get it. At digital switchover in
August I got BBC HD on channel 50, it is now on channel 54


Did you do a full rescan, if your television has such a thing? My
Panasonic TV became confused after I did the lesser scan-for-new-channels.

-- Richard
  #7  
Old December 19th 10, 06:22 PM posted to uk.tech.digital-tv
J G Miller[_4_]
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Posts: 5,296
Default no HD channel 50 from Angus transmitter

On Sun, 19 Dec 2010 10:01:16 +0000, Scott wrote:

Any idea when this is likely to change?


When they have put the necessary distribution higher bandwidth
distribution systems into place.

Also, do you know the reason? If the BBC Scotland programmes can be
sent to the transmitters in Scotland on SD, why should HD be any different?


You need to step back a moment and remember that for digital television,
each station is not transmitted separately was was the case for analog
viz BBC-1 Scotland on one UHF channel, BBC-2 Scotland on another UHF
channel, stv on another UHF channel etc but that there are 6 multiplexes
broadcast on 6 UHF channels. In the case of the HD multiplex, the
tv stations BBC-1, stv HD, C4HD and BBC HD are combined somewhere
(maybe in Scotland or possibly in England) and then the multiplex
is distributed to the transmitters and broadcast on a single UHF
channel.

Presumably at the present time there is no complete path, or internal
market economic justification for BBC Scotland to have the equipment
and staff for and to do all of the following

a) receive HD feed of BBC-1 HD London and monitor it

b) at certain times replace BBC-1 HD London content with
upscaled BBC-1 Scotland content

c) monitor and send out the BBC-1 Scotland HD version to the
multiplex center

Clearly the commercial entrepreneur driven stv have resolved this
issue way ahead of the BBC because their revenue stream is dependent
on generating an HD audience for the advertisers.

I thought Pacific Quay was state of the art, so I assume it
has HD capability.


As I suggest, it is not the issue of Pacific Quay lacking HD facilities
but the cost of setting up the distribution system and services costs.

In these difficult economic times the cost per viewer of providing the
service to the viewer has to be considered by the BBC, so once the HD
audience has been generated with the the standard BBC-1 London HD
programming, it will then make Birtian internal market sense to then
provide regional opt outs.
  #8  
Old December 19th 10, 06:26 PM posted to uk.tech.digital-tv
J G Miller[_4_]
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Posts: 5,296
Default no HD channel 50 from Angus transmitter

On Sun, 19 Dec 2010 11:46:42 +0000, Richard Tobin wrote:

Did you do a full rescan, if your television has such a thing? My
Panasonic TV became confused after I did the lesser
scan-for-new-channels.


It is probably because the software placeholder for BBC HD still exists
for LCN 50 even though it has also been put on LCB 54.

So probably Scott needs to delete the dysfunctional BBC HD on LCN 50
before doing a new scan, or as you suggest, going into a full delete
everything and rescan all UHF channel mode.

This would also remove the defunct CNN and re-index two radio stations
which I think have recently jumped multiplexes.
  #9  
Old December 19th 10, 06:54 PM posted to uk.tech.digital-tv
Scott[_4_]
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Posts: 1,811
Default no HD channel 50 from Angus transmitter

On Sun, 19 Dec 2010 17:22:49 +0000 (UTC), J G Miller
wrote:

On Sun, 19 Dec 2010 10:01:16 +0000, Scott wrote:

Any idea when this is likely to change?


When they have put the necessary distribution higher bandwidth
distribution systems into place.

Also, do you know the reason? If the BBC Scotland programmes can be
sent to the transmitters in Scotland on SD, why should HD be any different?


You need to step back a moment and remember that for digital television,
each station is not transmitted separately was was the case for analog
viz BBC-1 Scotland on one UHF channel, BBC-2 Scotland on another UHF
channel, stv on another UHF channel etc but that there are 6 multiplexes
broadcast on 6 UHF channels. In the case of the HD multiplex, the
tv stations BBC-1, stv HD, C4HD and BBC HD are combined somewhere
(maybe in Scotland or possibly in England) and then the multiplex
is distributed to the transmitters and broadcast on a single UHF
channel.

Presumably at the present time there is no complete path, or internal
market economic justification for BBC Scotland to have the equipment
and staff for and to do all of the following

a) receive HD feed of BBC-1 HD London and monitor it

b) at certain times replace BBC-1 HD London content with
upscaled BBC-1 Scotland content

c) monitor and send out the BBC-1 Scotland HD version to the
multiplex center


If they are doing this for standard definition why can't they do it
for HD at the same time? I would be very surprised if the process is
not automated.

Clearly the commercial entrepreneur driven stv have resolved this
issue way ahead of the BBC because their revenue stream is dependent
on generating an HD audience for the advertisers.

I thought Pacific Quay was state of the art, so I assume it
has HD capability.


As I suggest, it is not the issue of Pacific Quay lacking HD facilities
but the cost of setting up the distribution system and services costs.

In these difficult economic times the cost per viewer of providing the
service to the viewer has to be considered by the BBC, so once the HD
audience has been generated with the the standard BBC-1 London HD
programming, it will then make Birtian internal market sense to then
provide regional opt outs.


I think once the Scottish Parliament realises that people are allowed
to watch 'English' programmes instead of of BBC Scotland there will be
a rammy.
  #10  
Old December 19th 10, 07:08 PM posted to uk.tech.digital-tv
Mark Carver
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Posts: 6,528
Default no HD channel 50 from Angus transmitter



Presumably at the present time there is no complete path, or internal
market economic justification for BBC Scotland to have the equipment
and staff for and to do all of the following

a) receive HD feed of BBC-1 HD London and monitor it

b) at certain times replace BBC-1 HD London content with
upscaled BBC-1 Scotland content

c) monitor and send out the BBC-1 Scotland HD version to the
multiplex center


If they are doing this for standard definition why can't they do it
for HD at the same time? I would be very surprised if the process is
not automated.


For both ITV 1 HD and BBC 1 HD, the output currently comes from separate pres
suites, that run in tandem with the SD pres suites. (Remember the World Cup
goal missed by ITV HD, but not on SD ?)

Both broadcasters have opted to do it that way, rather than have a single HD
pres suite, and down convert the output for the SD output. That then avoids SD
programming being upconverted and then down converted again for SD viewers
(the majority).

There's an added complication for regional opt outs, such as BBC Scotland.
They'd also require two playout suites for BBC 1 Scotland HD, and BBC 1
Scotland SD, more staff, more scope for cock ups, in short more expense. Also
extra kit will be required at the code/mux centres, I'm sure it's been
factored in with spare rack space, but it's a beancounter driven world, so
nothing has been purchased yet.

BBC 1 and 2 Network adopted a similar dual operation in 1998 with analogue
and digital outputs, a couple of years later they combined the playout, and I
think the Nations (Glasgow/Belfast/Cardiff) also started with dual operation
too. I expect in time all of BBC 1's output will use the HD version as
'master' and that will then enable opt outs in HD to be performed (at least on
DTT).


--
Mark
Please replace invalid and invalid with gmx and net to reply.

www.paras.org.uk
 




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