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When you don't need 5.1 sound or when you are not really familiar with encode settings.
Even if you are familiar with encoding settings, it still may be worth it. The other condition is if you have more than one timeline to go onto the DVD.
1-In order to get the optimum quality for large files if you have not purchased the Surcode Dolby plug-in. While this enails an intermediate conversion, the Adobe Media Encoder will assume PCM audio and will ask to unnecessaraly reduce the MPEG bitrate to fit the DVD size. When Encore then convert the audio to Dolby you will end up with empty space on your DVD disc which could have been used to increase the video quality. For small to medium file size it is best to use the Premiere AME.
2- Very seldom. It severely increases the encoding time and is a last resort on very poor clips.
These are helpful details. I'll run with it. Thanks!
(from having read the Encore manual, not actually worked with it yet):
1) If the files are not yet encoded (or losslessly compressed), Encore can dynamically adjust the encoding settings to fit the space of your output medium. If they're already encoded you loose that flexibility, and worst-case your files might not fit.
2) Chapters set in Encore snap to Mpeg I-frames, so they may not end up exactly where you want them. If you import unencoded files, Encore can place chapters precisely.
Thanks for the responses. I'm a little hazy on a couple things:
1) When exporting to Encore, all sequences go through PP's AME ("encoding"/compression), whether they're combined into one AVI, or several?
2) Encore does a second "encoding"/compression when building Video_TS files, etc.? And it will encode the audio to Dolby at that point? Otherwise you have to purchase a Surcode Dolby plug-in for PP?
Yes I ask in other thread. The video noise reduction in PP adobe media encoder is extremely slow. I have to wait for 11 hours for encoding 14 minutes clips. But it mask some blockiness and trade it with some blur which I find easier on my eyes.
I am asking anyone in adobe whether the video noise filter in adobe media encoder has bug since it only drive my CPU at 50% and tend to use only 1 core. When I disable it and use filter in timeline both my cores work at full speed.
BTW, anyone know what filter I can use in timelin to replicate this video noise reduction? I try gausian blur but it is not as good. It must have been a stack of few filter. And I am hoping that using equivalent timeline filter will force my cpu to work at full speed!