[orca-list] Orca slowes down in Directory with many files in nautilus

[Chris <chrys87 web de>]

Hi all,
I have the problem, Orca slows unusable down if i wanna browse my music
folder. in the folder are ca. 2000 files. i have the same problem on my
lower powerd notebook with 500 files.
Nautilus reacts "normal" or with an little delay (ca 0,5 sec, its ok).
But orca reads the filename if i move the cursor between 5 to  20 sec.
this make it unsable to browse the directory. 
there no thumbnails and i m in the listview. Is there something i can do
for a better performance?

Greetings chrys