1080p or 720p

On 02/06/2011 08:46, The Other Mike wrote:
On Wed, 01 Jun 2011 12:03:41 +0100, Mark Carver
wrote:

All HD broadcasts in the UK, whether on satellite or terrestrial are
1080i. (The BBC HD channel on DTT is currently experimenting with
transmitting some content at 1080-25p).

Have you got a primary, verifiable source for that info?

http://www.bbc.co.uk/blogs/researcha...bc-hd-on.shtml

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

www.paras.org.uk

On Thu, 02 Jun 2011 08:52:47 +0100, Mark Carver
wrote:

On 02/06/2011 08:46, The Other Mike wrote:
On Wed, 01 Jun 2011 12:03:41 +0100, Mark Carver
wrote:

All HD broadcasts in the UK, whether on satellite or terrestrial are
1080i. (The BBC HD channel on DTT is currently experimenting with
transmitting some content at 1080-25p).

Have you got a primary, verifiable source for that info?

http://www.bbc.co.uk/blogs/researcha...bc-hd-on.shtml


Thanks.

Were there any 720p test transmissions from Crystal Palace (or
elsewhere in the UK?) or has Terrestrial HD always been 1080 ?


--

On 02/06/2011 10:14, The Other Mike wrote:
On Thu, 02 Jun 2011 08:52:47 +0100, Mark Carver
wrote:

On 02/06/2011 08:46, The Other Mike wrote:
On Wed, 01 Jun 2011 12:03:41 +0100, Mark Carver
wrote:

All HD broadcasts in the UK, whether on satellite or terrestrial are
1080i. (The BBC HD channel on DTT is currently experimenting with
transmitting some content at 1080-25p).

Have you got a primary, verifiable source for that info?

http://www.bbc.co.uk/blogs/researcha...bc-hd-on.shtml


Thanks.

Were there any 720p test transmissions from Crystal Palace (or
elsewhere in the UK?) or has Terrestrial HD always been 1080 ?

It's been 1080 ever since the DTT service launched officially in Dec
2009, but I suspect there were 720p tests before that date. Other
countries use 720p on DTT, and D-Sat

A few years ago, it looked very likely that we would also be using 720p
on DTT.

http://stakeholders.ofcom.org.uk/binaries/consultations/dttfuture/annexes/report.pdf


http://www.google.co.uk/search?hl=&q=OFCOM+720P&sourceid=navclient-ff&rlz=1B7GGLL_enGB420GB420&ie=UTF-8

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

www.paras.org.uk

On 01/06/2011 21:36, Andy Champ wrote:
On 01/06/2011 18:03, Peter Duncanson wrote:
On Wed, 1 Jun 2011 13:50:54 +0000 (UTC), J G
wrote:

a non 1080p TV (and do these
not have a vertical resoluion of 768 rather than 720?)

My Samsung "HD Ready" LE26A456 has a resolution of 1366 x 768.

It upscales a 720 input and downscales a 1080.


AFAIK this applies to all the not-full-HD TVs - the 768 line resolution
isn't used by any video, so everything you see will be scaled.

ISTR we discussed this before. It may not be a coincidence that 768 is
the vertical resolution of the computer display standards XGA and WXGA.


I think it is a coincidence. There's never been much market for 768 line
computer displays much over 14 inches. I have no idea what the reason is
though!

Andy
They were (are) used a lot for public information displays and signage -
airports, hotels etc.

Most are now going to full 1080.

I guess it's economies of scale, cheaper to just make 1080 panels for
both TVs and signage...

G

Bruce wrote:
I'm trying to decide whether to buy a 1080p TV or save a few pounds
and buy 720p instead.

We already have a 1080p TV in our living room. The new TV will be for
the bedroom and will have a 32" screen. We have two Sky HD+ boxes.

When we bought our 1080p TV we were told that Sky was broadcasting HD
only in 720p, not 1080p, and that the 1080p picture was derived from
that 720p signal by the TV. What I need to know is will there be any
loss in picture quality from choosing a 720P TV?



Thank you to everyone who replied. A very informative discussion!