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Shoot 1080p30 or 1080i29.97?

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Jim Wiseman
Shoot 1080p30 or 1080i29.97?
on Feb 24, 2009 at 8:41:15 am

I'm shooting for 3 weeks at a remote location. First major shoot with my EX1. I am trying to decide whether to shoot in 1080p30 or 1080i29.97. I don't particularly like the look of 24p. I do want to keep delivery options open as much as possible though, which will be web, 1080i broadcast/cable, and NTSC SD for sure. Don't want to close off PAL distribution, either, but that is not immediately important, but will be in the future. Of the two, which would you choose? Should I bight the bullet and shoot 24p, even though I'm not fond of the hassle with keeping motion artifacts under control? I understand its superior conversion options. Also would like to use the ioHD for as many of the conversions as possible to keep costs down. Any thoughts would be greatly appreciated.

Jim Wiseman


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Craig Seeman
Re: Shoot 1080p30 or 1080i29.97?
on Feb 24, 2009 at 2:11:06 pm

Outside of 24p, 1080i59.94 (29.97fps) is probably easiest to convert.
You'll probably get more opinions on that then people reading this message.

Personally I like shooting at 1080p30 and then I deal with the headaches after but that's just me and not something I necessarily recommend.

You might consider shooting 720p60.



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Jim Wiseman
Re: Shoot 1080p30 or 1080i29.97?
on Feb 24, 2009 at 9:58:18 pm

Thanks for the responses. Craig, would you mind elaborating as to why 1080i29.97 is easier to convert than 1080p30? What are the headaches you mention with 30p? I was leaning toward 1080p30, but would like to hear your experience. Also, do you know if with the EX1 if the 30p is actually true progressive or pSF? Or 29.97p/pSF and not true 30p, for that matter. Thanks in advance.

Jim Wiseman


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Curt Pair
Re: Shoot 1080p30 or 1080i29.97?
on Mar 5, 2009 at 3:46:11 am

Jim and Craig,

I can tell you that when I shoot 1080, 59.94, for clients who want the end footage on Beta and I try to downconvert EVERYTHING (video, audio and timecode), the TC ALWAYS drifts... Even though it's a "derivitive" of 29.97, it's still not absolutely the same.

If you need to match TC to a downconverted source, I've had NO PROBLEMS what so ever shooting 1080, 29.97p (30p) and then having the TC "lock."

If it's the "look" you want... progressive fields will always be easier to deal with in post than interlaced.

Curt Pair
Picture This Productions
Sony ICE Team
F900/F350/700/EX1/EX3/D790/D600
Adobe Premiere Pro CS3 HD/Matrox
Phoenix, AZ


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Enrique Orozco
Re: Shoot 1080p30 or 1080i29.97?
on Feb 24, 2009 at 4:37:01 pm

I like the look of 1080p30... to my needs and maybe for "my style" is the setting that gives me the best look, 720p is also good (but I prefer the highest res.)... DO some real tests filming & producing (workflow) some final products on your own (DVD, web clips) and COMPARE for your final decision ....

good luck

Enrique Orozco R.
http://www.dvideostudio.com >iDEA DigitalVideoStudio


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Bill Ravens
Re: Shoot 1080p30 or 1080i29.97?
on Feb 25, 2009 at 1:44:17 pm

I think you'll find that if your destination format is SD, 720pwill give the best results when downconverting.



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Curt Pair
Re: Shoot 1080p30 or 1080i29.97?
on Mar 5, 2009 at 3:51:55 am

I would like to remind you that the more you OVERSAMPLE your footage in terms of acquisition, the better it will look if downconverted!

I actually shot with an EX1... the day we recieved it. We were shooting for Fox Sports... my audio tech had hooked up the EX to the monitor BEFORE hooking up our Varicam... the producer LOVED the look of the EX. We had to explain, he wasn't watching the EX... then when we had BOTH hooked up to corresponding HD SDI connections, he CHOSE for us to use the EX over the Varicam... and this was the look of the EX, STRAIGHT OUT OF THE BOX!

Now you may ask your self, "why?" EASY! The EX, even in 720 mode is still sampling at 1920 X 1080! It then down samples to 720 X 1280... the Varicam? Samples at 720 x 960! So the EX was giving TWICE AS MUCH DATA information! That's why it looked better.

The same applies to your shooting: if you shoot 1080, and then downsample to anything for delivery, it's going to look better than if you originated it in a lower sampling mode.

Curt Pair
Picture This Productions
Sony ICE Team
F900/F350/700/EX1/EX3/D790/D600
Adobe Premiere Pro CS3 HD/Matrox
Phoenix, AZ


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Jim Wiseman
Re: Shoot 1080p30 or 1080i29.97?
on Mar 6, 2009 at 8:58:34 am

Thanks for the responses. Just learned there will be a definite need for PAL, sooner than the other broadcast formats. Funding from Fiji and Samoa. Does that mean 24p is my best option? Not fond of the motion artifacts but PAL may now be the first delivery. I have an AJA ioHD, BTW. Still prefer the look of 60i, being an old video guy, but want 1080 resolution.

Thanks,

Jim Wiseman


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Jim Wiseman
Re: Shoot 1080p30 or 1080i29.97?
on Mar 25, 2009 at 5:40:21 pm

Just and update for you all:

Back home and playing back the footage directly from the EX1 component out to Sony XBR37 component in. Very happy with the footage, and glad I shot the 24p. I suspect pulldown or some sort of processing is being done, although I have all of the available "processing" settings on the XBR off, as the footage seems much smoother than on the Macbook Pro in the field. Is pulldown being added anywhere?

Thanks again

Jim Wiseman



Jim Wiseman


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Craig Seeman
Re: Shoot 1080p30 or 1080i29.97?
on Mar 25, 2009 at 6:00:26 pm

If you read the consumer electronics review magazines you'll see that HDTVs have varying degree of success/failure at adding pulldown on 24p material so playback would certainly vary by TV set.

Computers generally don't care about frame rates though. NLEs are another story.



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