Try imputing:
SET fl=%1

"%~dp0at9tool" -e -br 144 -loop s e %1 %fl:~0,-4%.at9"

into a bat file then drag and drop the wav onto the bat. it usually works for me just replace s and e with the start and end values you want.

Is it possible to play modded ps2 games on ps3? Yes, Is It Possible to mod the ps3 digital version of p3FES? Definitely No. What you want to do is this. Step 1: Download Multiman and WebMan On Your PS3 Step 2: If you have a physical copy of Persona 3 FES for the Ps2 Dump It To ISO With Multiman, If ...