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Compressor - Media Compression and Conversion
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1080i 60 Project to Apple Pro ResPosted by jasontmorton
Any one know how i can make a clean apple pro res in compressor from my 1080i 60 project. I've tried a couple different settings but the video keeps coming out a bit jittery.
My sequence is HDV 1080i 60 (1440x1080) Frame rate is 29.97. Here is the last set of settings I used in compressor and it still jittered: File Extension: mov Estimated file size: 26.31 GB Audio: multi-track passthrough Video Encoder Format: QT Width: 1440 Height: 1080 Pixel aspect ratio: HDV 1080i (16:9) Crop: None Padding: None Frame rate: (100% of source) Selected: 29.97 Frame Controls: Automatically selected: Off Codec Type: Apple ProRes 422 (HQ) Multi-pass: Off, frame reorder: Off Progressive Chroma filtering enabled Pixel depth: 24 Spatial quality: 50 Min. Spatial quality: 0 Temporal quality: 0 Min. temporal quality: 0 Suggestions?
It could be dropped frames on playback, especially if your machine is not fast enough, or if your drive is too full. ProRes HQ 1080 requires substantially faster drives than HDV.
Quicktime Pro is not an accurate gauge for critical video monitoring, as it will drop quality or frames to keep up with real time playback if the system is not up to scratch, or it will lag. You need to monitor it via FCP via a broadcast monitor, with "report dropped frames on playback" checked. Or monitor it in FCP by the signal out through a video camera to a TV. Or burn a DVD/Blu-Ray and watch it on a TV. (Not as reliable as the first 2 options i mentioned) www.strypesinpost.com
Thanks guys I think I found the solution. I had to tell QT Conversion to do 29.97. It was outputting weird fps when I would export the whole 45min sequence. The weird thing is that when I did a 5-10sec test it stayed at 29.97 with the QT Conversion default but when I did the whole sequence it gave me a 25.07 fps.
I'm not worried about it being "broadcast standard" just as long as it looks good on the blu ray. I'll be burning a blu ray next week and will see how it looks. Thanks! Sorry, you do not have permission to post/reply in this forum.
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