Search found 1160 matches

by GarethR
Wed Feb 15, 2017 12:00 pm
Forum: Archive Television
Topic: Old Granada Continuity
Replies: 7
Views: 813

Re: Old Granada Continuity

Almost certainly junked decades ago. It's not impossible that they still exist, but massively unlikely.
by GarethR
Wed Aug 31, 2016 9:16 am
Forum: Tech Ops
Topic: Backing up DVDs to Hard Drive
Replies: 14
Views: 2018

Re: Backing up DVDs to Hard Drive

This is absolutely incorrect. mp4 (utilising the h264 codec) fully supports interlaced video at every recognised resolution It does indeed, but you usually have to tell whatever MP4 encoding software you're using to turn interlace processing on, otherwise it will default to progressive - and it's n...
by GarethR
Mon Jan 04, 2016 3:51 pm
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

in fact right now I've got an off-air of Play School captured into my computer as DV (which is an interlaced format) and converted to a progressive 50fps MP4 using bob deinterlace And what are the width and height of this progressive 50fps MP4? and the width and height of the original DV file? Both...
by GarethR
Mon Jan 04, 2016 1:31 pm
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

all that's happening is that you're displaying in actuality what we've perceived through persistence of vision since the birth of CRT televisions It's actually displaying what we've never seen from CRT television, which is both fields, each representing a different moment in time, meshed (woven) to...
by GarethR
Mon Jan 04, 2016 1:51 am
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

So I guess this is how the flat panel handles interlaced video? But what is in the gaps between each line? Black? Or a dim version of the missing line from the previous field, simulating phosphor persistence? Back in the days when we routinely worked with individual fields in order to repair dropou...
by GarethR
Sun Jan 03, 2016 8:17 pm
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

But displaying only 288 lines and replacing those with 288 different lines doesn't give you the impression of 576 lines Thanks to persistence of vision, it does. Clearly the on-screen resolution of a standard definition picture is greater than 288 lines The perceived resolution is. The actual resol...
by GarethR
Sun Jan 03, 2016 12:42 am
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

I know that it doesn't actually provide that every 50th of a second but the intermingling, in our minds/eyes, of the two fields provides an apparent resolution of 576 lines every 50th of a second You're seeing 288 lines every 50th of a second in both cases. Bob weaving only ever provides a resoluti...
by GarethR
Sat Jan 02, 2016 8:44 pm
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

At least you've finally explained how this is accomplished - namely by reducing the resolution to something appalling "Reducing the resolution" suggests that the process removes picture information. It doesn't. You're not seeing any less picture information than if you were watching on a CRT displa...
by GarethR
Fri Jan 01, 2016 11:23 pm
Forum: Tech Ops
Topic: Why do I keep losing BBC4 HD and BBC News 24 HD?
Replies: 12
Views: 999

Re: Why do I keep losing BBC4 HD and BBC News 24 HD?

I recently switched to BT for my broadband and phone and, although I don't subscribe to any television package, I did get a BT YouView box at the same time. When I first tuned it in it was missing a number of channels including BBC Four HD and Talking Pictures... I'm having similar issues with YouV...
by GarethR
Fri Jan 01, 2016 10:25 pm
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

Or are you saying that a 576p50 frame only has an effective vertical resolution, in this instance, of 288 lines? This. Exactly. Which is what I meant by a straight one-field-to-one-frame conversion. Assuming it's been created from a 576i50 source using the correct deinterlacing algorithm, of course...
by GarethR
Thu Dec 31, 2015 1:26 am
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

As archive VT only generates half the information required by the new it must be getting the rest from somewhere. So either it is interpolating half of the information every 50th of a second... I think the confusion possibly arises because you're thinking that a frame *has* to be made up of two fie...
by GarethR
Mon Dec 28, 2015 10:57 pm
Forum: Archive Television
Topic: Grange Hill
Replies: 101
Views: 6504

Re: Grange Hill

I wouldn't have thought it was a rights clearance issue, more a case of an episode being pulled more-or-less at random by someone who didn't have the knowledge to know what would make a good, properly-representative choice.
by GarethR
Sun Dec 27, 2015 1:12 am
Forum: Archive Television
Topic: Grange Hill
Replies: 101
Views: 6504

Re: Grange Hill

Of all the episodes they could have shown for Christmas BBC4 went for the very unseasonal drug episode from Series 9. It's not the unseasonality so much as the fact that it's a somewhat atypical episode - no school scenes and a small cast. I suppose it effectively illustrates how hard-hitting GH co...
by GarethR
Sat Dec 26, 2015 6:36 pm
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

However now in the digital age where we can choose higher fps at will we can see scenes with say spinning helicopter or propeller blades don't represent reality at all What does that have to do with converting 50i to 50p to provide the VT look on iPlayer? with an old betacam edit suite you had the ...
by GarethR
Sat Dec 26, 2015 12:39 am
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

I have to disagree, old analogue broadcasters could not transmit 50fps From the start of the EMI-Marconi system in 1936 they were transmitting 50 separate images per second - but those images were fields (half-frames). What your seeing is an illusion to the eye as the two fields quickly 'interlace'...
by GarethR
Fri Dec 25, 2015 11:08 pm
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

To convert a 25-frame sequence to 50 frames-per-second requires the computer-generation of the non-existing intermediate frame from the frames either side, a process known as 'motion-estimation'. Only if you're dealing with a non-interlaced source, like a film recording of a VT programme. If you ha...
by GarethR
Fri Dec 25, 2015 11:04 pm
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

Yes but old VT isn't 50 fps it's 25fps And what is each frame of 25fps video made up of? Two fields. So with 25fps interlaced video you're actually seeing 50 separate images per second. Which is also what you're seeing with 50fps video. It's really exactly the same thing, the visual effect is ident...
by GarethR
Tue Dec 22, 2015 2:43 am
Forum: Current Television
Topic: From Andy Pandy To Zebedee: The Golden Age of Children’s TV
Replies: 30
Views: 2614

Re: From Andy Pandy To Zebedee: The Golden Age of Children’s

Some nice clip research, but it did seem to give the extraordinary impression that kids' TV sort of fizzled out in about 1983 Not to mention that 1950s ITV was apparently free of any public service remit. They blamed it on the arrival of satellite TV, ignoring the fact that most people were terrest...
by GarethR
Tue Dec 22, 2015 2:01 am
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

Re: The VT look has arrived on iPlayer

It was my understanding that it's impossible to get true video-look on a computer screen anyway. Is that bollocks? Yes, it's bollocks. Anyone trying to tell you that only interlaced video provides the video look is talking out of their arse. You can obviously watch video-look video on a flat panel ...
by GarethR
Tue Dec 22, 2015 12:00 am
Forum: Archive Television
Topic: The VT look has arrived on iPlayer
Replies: 48
Views: 3128

The VT look has arrived on iPlayer

This will be of interest to some here (and old news to others) - I found out today that if your broadband is fast enough, iPlayer will stream HD programmes as 50fps, so archive VT in HD programmes will look like archive VT, unless it's been deliberately dicked with in post to remove the VT look. (I ...
by GarethR
Fri Dec 18, 2015 10:37 am
Forum: Archive Television
Topic: Jackanory Celebration Today
Replies: 21
Views: 1462

Re: Jackanory Celebration Today

I do remember on the Ch4 best children's shows programme, Louise Redknapp saying she didn't like it, because it was boring, and she tended to switch over...Mmmm...still, not to everyone's taste I suppose Jackanory was widely vilified in my school playground as being boring. Inevitably, the appeal o...
by GarethR
Thu Dec 17, 2015 8:42 pm
Forum: Archive Television
Topic: Jackanory Celebration Today
Replies: 21
Views: 1462

Re: Jackanory Celebration Today

Sorry can't quite see the attraction of Jackanory, pleasant little show, i guess, nothing to write home about, is the appeal similar to people who rate the testcard? Sometimes I got into the stories, more often than not I didn't. I do remember getting Bogwoppit and A Dog So Small out of the school ...
by GarethR
Tue Dec 15, 2015 11:59 pm
Forum: Current Television
Topic: From Andy Pandy To Zebedee: The Golden Age of Children’s TV
Replies: 30
Views: 2614

Re: From Andy Pandy To Zebedee: The Golden Age of Children’s

I wouldn't want to use up a precious repeat slot with anything that's available on DVD (like Rentaghost).
by GarethR
Tue Dec 15, 2015 1:37 pm
Forum: Current Television
Topic: From Andy Pandy To Zebedee: The Golden Age of Children’s TV
Replies: 30
Views: 2614

Re: From Andy Pandy To Zebedee: The Golden Age of Children’s

I'd have gone for a later Newsround, mainly so that it had the most nostalgic logo (the animating lozenge). I think 1973 just used a zoom in on a static caption card. They could have thrown in some shows with more surrealist elements too, like Vision On or Jigsaw. They're the kind of things that scr...
by GarethR
Mon Dec 14, 2015 10:57 pm
Forum: Current Television
Topic: The All-Purpose Current Doctor Who (2005-) Thread
Replies: 2156
Views: 125056

Re: The All-Purpose Current Doctor Who (2005-) Thread

Anyway, what's the betting Darth Vader will be there, large as life once again, in The Force Awakes? I wouldn't put any money on that personally. The trailers make it clear that they're happy to reference Vader in terms of his legacy in the Star Wars universe (as is only right and proper), but I do...
by GarethR
Mon Dec 14, 2015 9:11 am
Forum: Current Television
Topic: The All-Purpose Current Doctor Who (2005-) Thread
Replies: 2156
Views: 125056

Re: The All-Purpose Current Doctor Who (2005-) Thread

Actually the one that probably started it may have been the Bionic Woman being brought back to life in around 1977. I'm pretty sure she was meant to be dead at the time. That was kind of a different situation, though, wasn't it? A character intended to be a one-off went over so well with the audien...
by GarethR
Mon Dec 14, 2015 8:27 am
Forum: Archive Television
Topic: Jackanory Celebration Today
Replies: 21
Views: 1462

Re: Jackanory Celebration Today

I can see where you're coming from,Simon,but the sort of person who'd turn up at this event is the sort who'd have recorded-or have had recorded for them-Jackanory audios as bedtime stories for the kids I'd've turned up if I'd known about it, but I've never heard of people making audio recordings o...
by GarethR
Tue Dec 08, 2015 12:42 pm
Forum: Current Television
Topic: The All-Purpose Current Doctor Who (2005-) Thread
Replies: 2156
Views: 125056

Re: The All-Purpose Current Doctor Who (2005-) Thread

ctraynor wrote:I trace this lazy habit back to Star Trek III
People getting killed and then brought back to life isn't actually all that prevalent in sci-fi, is it? Well, not outside Moffat-era DW, anyway. Although of course they did it in the TV movie.
by GarethR
Thu Dec 03, 2015 5:15 pm
Forum: Current Television
Topic: The Death of BBC Three
Replies: 43
Views: 3160

Re: The Death of BBC Three

Or maybe that's because you seem like you view anyone with AV equipment less than 18 months old as being technologically impoverished? Where did you pluck 18 months from, out of interest? Consumer HDMI equipment has been around for a decade now. No, in my line of work I would say that 24% is a stat...
by GarethR
Thu Dec 03, 2015 3:54 pm
Forum: Current Television
Topic: The Death of BBC Three
Replies: 43
Views: 3160

Re: The Death of BBC Three

There's no need to be facetious I can't help it. You do come across as if you're living in Amish Britain at times. The Ofcom figures show that 24% are still using solely non-HD kit So 76% are HD-capable? That's quite a convincing majority, wouldn't you say? Well, if you have been paying attention y...