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Kona LHi true 24p playback on 720p monitor

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David de Vos
Kona LHi true 24p playback on 720p monitor
on Aug 11, 2009 at 9:58:17 pm

Kona LHi question.

I've got a Final Cut Sequence at true 24p (not 23.98) - shot on RED. The only way I can see it on my HD monitor is if I set the playback on the Kona LHi to 720 59.94, but then it slips out of sync over time. How can I get it to play in sync on my 720p HD monitor? I'm guessing it's a pulldown thing, but I've got pulldown set to 2:3:2:3. Is that correct?

Thanks! You guys are awesome.



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Jeremy Garchow
Re: Kona LHi true 24p playback on 720p monitor
on Aug 12, 2009 at 5:34:46 pm

I would set your output to 720p60 (that's 60.0), and your monitor has to be able to accept 60.0Hz. What monitor do you have?

Jeremy


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David de Vos
Re: Kona LHi true 24p playback on 720p monitor
on Aug 12, 2009 at 10:39:14 pm

Panasonic VIERA X1 Series TC-P42X1


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David de Vos
Re: Kona LHi true 24p playback on 720p monitor
on Aug 12, 2009 at 10:43:02 pm

The tech specs say the Panasonic VIERA X1 Series TC-P42X1 accepts 60hz, but when I set the output to 720p60, but the image won't play, it's frozen on the HD monitor.


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Jeremy Garchow
Re: Kona LHi true 24p playback on 720p monitor
on Aug 13, 2009 at 1:13:08 am

When they say 60 they really mean 59.94. This is the reason to shoot 23.976.

Some more recent and professional flat panel monitors will accept true 60.0 Hz signals.


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gary adcock
Re: Kona LHi true 24p playback on 720p monitor
on Aug 13, 2009 at 11:19:13 am

[Jeremy Garchow] "Some more recent and professional flat panel monitors will accept true 60.0 Hz signals."

this is once again why productions use 23.98 instead of 24.0 for 24fps production.

you can conform your content to 23.98 in Cinema Tools or buy a Professional display that works for your specific needs rather than one designed for consumer use.





gary adcock
Studio37
HD & Film Consultation
Post and Production Workflow for the Digitally Inclined
Chicago, IL





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Diego Buenaño
Re: Kona LHi true 24p playback on 720p monitor
on Aug 13, 2009 at 12:44:21 am

59.94 only works for 29.97. You should look for the propper configuration in the Video Settings. You are trying to play frames that do not exist, that is why you are getting the sync issue.
Best
Diego


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Jeremy Garchow
Re: Kona LHi true 24p playback on 720p monitor
on Aug 13, 2009 at 3:06:14 pm

[Diego Buenaño] "59.94 only works for 29.97."

720p is 59.94 (that's 59.94p frames per second) as well. There's also 1080p59.94 (that's 60p frames per second in 1080).

1080i is 59.94 Fields per second or 29.97 frames per second. With certain p workflows, it's actually 60 discreet frames per second.

Jeremy


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