If I'm not mistaken, you mean Nero encoder? That's not a free program, so mediacoder didn't come with it.

Just use FAAC instead.

Maybe you can refer to this:

/lechter % 5 far under/blog/item/cc 29065 16 1779 a6b 853524 b 5 . html

http://f.imagehost.org/view/0262/ 1_57

If uploaded, the website will be compressed twice, and the quality is difficult to guarantee.