clv,

What are you using to render the vision to mp4?

You might get better (smaller) results by using a 2-pass setting to set the optimum bit-rate

Presumably you are using the H.264 video codec?

You can reduce the frame-rate, and also lower the quality of the output and still get very acceptable results for YT.

There is an open-source video transcoder named 'Handbrake'. You can get excellent results with that, it supports batch conversion too. There are controls to adjust resolution as well. That's probably your easiest and best option, and has plenty of online help.


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