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JVC 200U 24P SD interlace problem, please help!?
Hi,
just switched from xpress pro to cs3 this weekend… ive captured footage shot using the JVC hdGY200 in standard definition, 24p…
i used the project settings, DV 24P, 48k SD.. however, when previewing the footage in the source monitor, it plays fine… but when playing it in the timeline or program monitor, there appears to be interlacing happening every fourth frame…
I made sure that the playback settings/24p conversion method was set to repeat frames.. and also made sure the interpret footage stayed on “use frame rate from file: 23.9760” and “remove 24p dv pulldown” was selected.
still when i play the footage back frame by frame in the program monitor, interlacing happens every fourth frame. again, playing the same footage in the preview monitor shows none of this and plays fine.
The only way i could get rid of the interlace on every fourth frame, is if i changed the field options to always deinterlace… which requires me now to render the entire clip…
Am i doing something wrong??? My understanding was that the JVC200 recorded in 24 progressive, which shouldnt require interlacing at all.. im fairly new to this, so please excuse my rookie questions… any help would be greatly appreciated… thanks in advance..
-MarcD -
3 Replies
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While the JVC camera may image the footage as 24p, there is no 24p DV spec, only 60i and 50i. The 24p stream has to be embedded in a 60i video stream to be recognized as DV by any other DV device, including your editing system.
…so, yes, it is interlaced as the pulldown is in there already to make it a DV compatible stream.
nothing is wrong…it’s the way it has to go to edit with the best RT as you found out when you forced it to deinterlace…
TimK,
Director, Consultant
Kolb Productions,CPO, Digieffects
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thanks for the response.. so what would you recommend as the best workflow based on footage that i shot on 24p SD??
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What will your output ultimately be?
Unfortunately if you recorded this to tape, the interlace pulldown is in the footage.
I don’t think it’s out of the question that you’d edit it as NTSC DV if video is your eventual output…
(in HDV 720p of course, the 23.97 framerate can be used without a pulldown…)
TimK,
Director, Consultant
Kolb Productions,CPO, Digieffects
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