Many TVs crop off 10% of the image when set to factory settings, so (sadly)
90% action safe is as valid as ever.
Big distributors of Web content also crop off a certain amount of the
TV-originated image when encoding it for the web.
Bye, Christian
--
Sent from my phone. It's got a rotary dial.
On May 19, 2012 1:32 PM, "Steve Hullfish" <steve4lists@veralith.com> wrote:
> I think that was the NTSC 4:3 title safe. I think that was more necessary
> because TVs from back in YOUR day :-) needed a lot more "safety." TVs were
> set up so that even if there were low power situations the viewer would
> never see the edges of the picture. (When there was lower power delivered
> to the TV, the picture would shrink.)
>
> With modern TVs, I don't think this happens, so they need much less
> "safety." I looked at the other specs from some of the other broadcasters
> and PBS seems to be the widest in respect to safe title and safe action.
> I've also seen 90 and 85. Personally, with modern TVs, 90% and 93% might be
> pretty generous actually. I wouldn't doubt that it could come down to 95%
> for BOTH in reality. Also, with all of the repurposing of programming to
> the web, there's no reason to have safe title at all on that content, so
> unless you want to produce two versions, the less safe title the better -
> by that I mean the less DIFFERENCE between full raster and safe title...
> actually the BIGGER safe title is the better.
>
> It may also have to do with old power to the transmitters and whatever
> that would do to the signal. With digital transmission, that may have also
> gone away. I have no idea about that, though.
>
>
> Steve Hullfish
> contributor: www.provideocoalition.com
> author: "The Art and Technique of Digital Color Correction"
> co-author: "Color Correction for Video: revised edition," "Avid Xpress Pro
> Editing Workshop" and "Avid XpressDV On the Spot"
> presenter: Class On Demand's "Complete Training for Avid Media Composer"
> AND "Complete Training for Apple Color"
> www.classondemand.net/media/final-cut-training/color01.aspx
>
>
>
>
>
>
> On May 19, 2012, at 1:08 AM, John Moore wrote:
>
> > PBS Safe Action/Safe Title Specs?
> > From the PBS TOS-1 2010 Edition:
> >
> > 2.3.4 The Safe Areas are:
> > 2.3.4.1 Safe Action is the area within which all signification action
> must be contained. The area is 93% of the width and height of the
> production aperture.
> > 2.3.4.2 Safe Title Area is the area within which all significant text
> must be contained. The area is 90% of the width and height of the
> production aperture.
> > 2.3.5 Open Captions are limited to 80% of the width and 80% of the
> height of a 4:3 protected area (when there is a 4:3 protected area).
> >
> > Have I had it wrong for the last 30ish years? I always thought Safe
> Action 10% in and Safe Title 20% in. What am I missing here?
> > John Moore
> >
> > Barking Trout Productions
> >
> > Studio City, CA
> >
> > bigfish@pacbell.net
> >
> > [Non-text portions of this message have been removed]
> >
> >
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
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