QT movie to H.264

Hello guys,
I am converting QT movie to H.264 using ProRes as intermediate codec. This is the workflow:
from QT movie to ProRes. From ProRes to H.264.
My question is this. If I want to change some settings, like audio or frame controls, do I have to change it only in one step or in both steps? Do I have to change it once in ProRes settings and leave default setting in H.264? Or do I have to change it in ProRes and then again in H.264?
Thank you so much

RobsonBite wrote:
Hello Wally,
Qt movie is just name used by Final Cut Pro for QT file you end up with when exporting your project. Many tutorials suggest to export it as this QT to obtain the best possible picture quality. ProRes is an intermediate codec designed for saving huge amount of rendering time. If I convert it directly into H.264 it takes several hours. Converting it to ProRes and then to H.264 takes about 15 minutes.
Excellent grasp of a complex workflow.
If I want to change some settings, like audio or frame controls, do I have to change it only in one step or in both steps? Do I have to change it once in ProRes settings and leave default setting in H.264? Or do I have to change it in ProRes and then again in H.264?< </div>
You want to make changes only once and target them to your specific needs. In this case, you want to preserve everything in your intermediate that the original has to offer. then you make your framing and audio changes and modifications for your targeted export, regardless of the codec.
If you knew your intermediate was going to be feeding a certain collection of output target, you might want to add some processing to the that step, but not usually. For instance, your original is 1080i with 5.1 audio and say you know your targets are different codecs but they're all 640x480 letterboxed and mono and, umm, black and white. You could export to your intermediate with most of those settings intact. This would save considerable time in the transcoding.
Or did I miss the whole point?
bogiesan

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strypesinpost wrote:
...Have you read this yet?
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bump

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