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Interlacing Question:
Any clarification w/ this ques. will be greatly appreciated.
In the old days, when we would do graphics, we would introduce interlacing to 2d animation, text, etc because it would look crisper and easier for older crt’s to display when airing.
Now, is this still true? do we still need to introduce interlacing when things are going to broadcast with new TV’s and new technology?
the reason i’m asking is because, let’s say for example: after the spot broadcasts, it’ll then go to powerpoint. Before it encoded for powerpoint, it needs to be deinterlaced thus making the spot not look as good (bluring, interlacing artifacts, etc.). And it NEVER looks as good as it would if we didn’t introduce interlacing in the first place. In a perfect world we would like to not have to render things twice everytime!
If anybody has any info on this and would like to share i would greatly appreciate it!!
(i will also post this to the ‘compression techniques’ section incase someone there knows as well)
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2 Replies
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Nope. Progressive vs. interlaced is an aesthetic issue, and many broadcast designers, myself included, prefer to render progressive. When you show progressive footage on an interlaced monitor, the two fields are displayed, but they are both identical.
And to be honest, I don’t think it was necessary to render interlaced with CRTs as well. It was always an aesthetic choice.
However, I can see introducing interlacing to text so it works over interlaced footage. If that were the case, I would probably render interlaced to match the footage.
So, I don’t think anything has changed with regard to TV sets. I’d render progressive for full-screen animations (or graphics over 30p progressive footage), and interlaced for graphics over interlaced footage.
And in your situation, I wouldn’t render interlaced if going to Powerpoint.
Just my opinion. 🙂
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Thank you Steve for your response,
After all the research i’ve done i ended up buying a plugin called Fieldskit. Quite an amazing little program/plugin that has far exceeded any other deinterlacing software that i’ve tried in the past. The most awesome part that seperates it from the rest is it’s keyframeable. Anyway, thanks again!
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