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1080i / Broadcast Question

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Eric Guiliani
1080i / Broadcast Question
on Jun 15, 2017 at 3:42:39 pm

Hey Everyone,

I need to supply a TV spot in either of these ways resolutions and framerates:

- 1080i (29.97)
- 1080p (23.98)
- 720p (59.94)

I set up my main comp to the 1920x1080 HDTV 29.97 setting in AE, which I believe is 1080p. Does anyone know how to convert it or export it to 1080i? Not sure why the 1080p would only allow 23.98 and the "i" version the 29.97.

Also, which would be the better version to deliver? I tried dropping the comp into a 23.98 comp and it looked choppier, obviously. This is my first real TV commercial so any help appreciated! My experience is more animation/mograph for web and social... not broadcast!


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Richard Garabedain
Re: 1080i / Broadcast Question
on Jun 15, 2017 at 3:50:00 pm

Composition add to- adobe media encoder...thats where you can change all these settings more easily


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Eric Guiliani
Re: 1080i / Broadcast Question
on Jun 15, 2017 at 3:51:35 pm

Thanks. So I can literally just downsample/downgrade to 1080i no issues? Will it still look good? (Hope so!)


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Richard Garabedain
Re: 1080i / Broadcast Question
on Jun 15, 2017 at 4:16:30 pm

Oh you wanted to downgrade to 720p...I thought you wanted 1080 Interlaced...but yes either way media encoder is the answer...just note that in media encoder 1080 i is interlaced.


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Eric Guiliani
Re: 1080i / Broadcast Question
on Jun 15, 2017 at 5:01:31 pm

No, I def want to make my 1080p to 1080i, I figured that was "downgrading" but maybe I'm wrong.


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