| Time ramp jitters
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I have successfully used the time-ramp facility & have no problems with the IO but ocassionally have inter frame jitters on some speeds. This happens regardles of wether I used uncompressed 10bit, DVCPro or DV settings. All Io outputs have the same problem.
Any ideas out there?
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• | | | |  | Re: Time ramp jitters
by Rainer Wirth on Nov 11, 2004 at 12:24:24 pm |
Interesting question, I would like to get a creative comment as well. What's a time ramp facility? In FCP you work with key frames, or is there an interesting plug-in?
Rainer
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• | | | |  | Re: Time ramp jitters
by Stephen on Nov 11, 2004 at 8:12:07 pm |
Time ramp appears at the bottom of the motion tab in the viewer. Its one of the ways to adjust time in a clip. (You can also use the time ramp tool in the tool palette). Anyway it allows variable time adjustment within a clip as well as straight speed percentage adjustment.
My problem is that on certain speeds, movement in the clip jitters. No amount of motion blur removes it. I think it may be an IO issue as it appears on its outputs but not on the G5 displays.
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• | | | |  | Re: Time ramp jitters
by Kevin Hedin on Nov 11, 2004 at 8:00:39 pm |
What kind of footage are you doing speed changes on? 60i, 30p, 24p ? It makes a difference. When you do a speed change on 24p, some speeds will have an adverse effect on the look because of the pulldown that was introduced early on. You can correct most of that by removing the pulldown in CinemaTools or AE first, doing your speed ramp, then add back in your pulldown.
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• | | | | | Re: Time ramp jitters
by Stephen on Nov 11, 2004 at 8:18:29 pm |
Thanks for that Kevin. The problem occurs with all Codecs - I use PAL 25fps. and I capture 10-bit uncompressed via SDI. I'll try your suggestion with Cinema tools as I don't use AE.
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• | | | |  | Re: Time ramp jitters
by Marconiu on Nov 16, 2004 at 5:09:54 am |
I have the same problem. This has nothing to do with IO or whatever cards. It seems to me FCP's RT Extreme is not perfect yet. It is especially bad for slow mo.
I solve this by turning off RT Extreme and then render the speed change parts, and then turn on RT Extreme again.
To turn off RT Extreme, go to System Settings->Effects Handling tab. Just set to "Off" for the codecs that you are working in.
Let me know if that works.
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