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With your machine the encoding to MPEG should be better then real time: a 90 minutes timeline should take about 90 minutes or less. However the effects and transitions rendering can greatly add to this time. Some effects can take "forever" to render. If you provide the effects you are using, we may be able to tell you which ones are time consuming to render.
The source video comes from a speech (mostly talking heads). The only effects are dip to black at the beginning and end of the clip. I added encore chapters (14 of them).
>Does anyone know how to reduce the rendering time
The general answer applicable to most situations is to get a faster CPU. It is the single largest determining factor in rendering speed.
I thought about that but two 3GB Dual Core Xeon processors should be able to handle that workload. Anyway, I tried by unchecking the "Noise Reduction" option when exporting to Encore and the rendering time was reduced in 90%.
That is your answer then. The Noise Reduction box is a filter e.g. an effect. This box is usually unchecked by default. Like most noise filter it greatly increases the rendering time. Use only as a last resort on very noisy media clips.
I am having a similar rendering problem with just a 8 minute clip....though lots of photos (80?) and 5 AE 5 second "flourishes"
It says the render will take 8 hours?
Any advice would be greatly appreciated.
BTW, Noise reduction is NOT checked.