Specifying a Preview folder
On page 265 of the PDF it states:
Premiere Pro stores the preview files in a folder you can specify.
QUES 1
But how do you specify the folder? I just rendered a test clip and was not offered the option of specifying a folder. And there is no other mention of preview folders in the PDF.
Preview Files for Encoding
On the same page is:
Note: Adobe Media Encoder does not automatically use Premiere Pro preview files for encoding. To make use of the Premiere Pro preview files, you must select the Use Previews option in Adobe Media Encoder for each encoding process.
It is not clear from the PDF what is the quality of these preview files.
QUES 2
If I select the Use Previews option when exporting, aren't I degrading the quality of the export by encoding from an already encoded preview?
QUES 3
For the absolute best quality, should Use Previews be turned off?