Re: DVD - losing the picture edges

In article <1139996674.244900.163880@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
Davidrobinson@xxxxxxxxxxxxxxxx wrote:
It could just be art. The significant part of a human face is usually
regarded as eyes-to-chin, so a BCU would normally frame that area to fit
vertically and ignore the forehead and hair.

Yes, agreed. The introduction of 16:9 caused a massive increase in the
number of shots where the top of people's heads were cut off, because
it's one artistically acceptable way of presenting a talking "portrait"
in a "landscape"-only medium.

However, there are definite times where I've seen framing that "works"
if you can see the top of the 16:9 picture, but doesn't if the top 5%
is missing. I've posted about this here before, and been told that some
production galleries monitor 16:9 on scan crushed 4:3 monitors,
explaining the effect somewhat.

It is standard practice in all broadcast TV shooting environments that I've
ever been invloved with to monitor the entire picture. It makes no difference
whether the monitors have 16:9 tubes (as the new ones have), or simply masked
off 4:3 tubes with reduced scan height. They are always scanned in such a way
that the whole of all the picture lines are shown, so pictures look the same
regardless of the type of tube used.

Screens of modern TV sets are a much better approximation to a rectangle than
they used to be, and scan circuitry is more stable, so they can be set up
with very little overscan, and programme makers may be assuming this when
they frame their shots. It's quite common to avoid framing essential detail
in the two vertical portions amounting to one sixteenth of screen width at
either side of the frame, because a common way of showing widescreen material
on 4:3 services is to crop these portions to make a 14:9 frame, but it would
normally be assumed that the full height of the frame is acceptable.

Rod.

.

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