Jump to content


Photo

23.98 fps on camera


  • Please log in to reply
2 replies to this topic

#1 Ariel Glikson

Ariel Glikson
  • Basic Members
  • PipPip
  • 19 posts
  • Cinematographer

Posted 28 November 2006 - 03:30 PM

Hello,
I'm in PAL country, I have a film I'm going to shoot on HD F900R on steadycam (all the time) and record sound on DAT.
I'm getting a picture for my steadycam monitor using the sdi output.
I need to get a composite picture also for my director monitor, which is conected through a video pal transmitor.
When choosing 24 fps on camera - it doesn't work.
When choosing 23.98 fps on camera - it works.

my quastion is what frame rate should the DAT run?
thanks,
Ariel.
  • 0

#2 Brian Drysdale

Brian Drysdale
  • Basic Members
  • PipPipPipPip
  • 5070 posts
  • Cinematographer

Posted 29 November 2006 - 08:40 AM

In PAL counties it's usually easier to shoot at 25P because most post production facilities are set up for it.

In the US they always shoot at 23.98 - not 24P - you should set your DAT up for the same frame rate. However, you should check that your post people can handle this frame rate. I've heard one major UK television production had problems in post when they decided to shoot at 23.98fps.
  • 0

#3 Michael Most

Michael Most
  • Basic Members
  • PipPipPipPip
  • 765 posts
  • Other

Posted 30 November 2006 - 03:27 PM

In the US they always shoot at 23.98 - not 24P - you should set your DAT up for the same frame rate. However, you should check that your post people can handle this frame rate. I've heard one major UK television production had problems in post when they decided to shoot at 23.98fps.


That's not quite correct. DAT's and other audio devices should be set at 29.97, NonDropFrame if the camera is running at 23.98 (and 30NDF if the camera is rolling at 24). As for problems related to 23.98, that depends on what equipment is available in post. In many cases, an HDCamSR is used for playback. The HDCam SR 5500 will play back any format as any other without problems. In other words, it can play back 23.98 as 24, or even as 25, depending upon how you set it up. Time code is another issue, of course, because material running at 24 played back as 25 will be running faster, so original time codes will be completely invalid. There is no time code difference between 23.98 and 24 however, as both use a 24 frame rollover.
  • 0


Technodolly

Willys Widgets

Broadcast Solutions Inc

FJS International, LLC

Media Blackout - Custom Cables and AKS

Abel Cine

CineTape

Ritter Battery

Tai Audio

Gamma Ray Digital Inc

Rig Wheels Passport

Opal

Wooden Camera

Aerial Filmworks

The Slider

Glidecam

CineLab

Visual Products

rebotnix Technologies

Metropolis Post

Paralinx LLC

Gamma Ray Digital Inc

Glidecam

Tai Audio

Opal

Technodolly

FJS International, LLC

CineTape

The Slider

rebotnix Technologies

Media Blackout - Custom Cables and AKS

Wooden Camera

Paralinx LLC

Rig Wheels Passport

Abel Cine

Broadcast Solutions Inc

Ritter Battery

Aerial Filmworks

Willys Widgets

Visual Products

CineLab

Metropolis Post