well, playing 32 sounds at the same time is quite a lot. Also loading 256 sound into the memory is also quit a lot. I got an editor where I want to play sounds if I double click them. However when I load a sound into the "sound browser" it just loads the sound. This is also the way my "texture browser" works. Not the most efficient way cause it consumes lots of memory, but in-game it would be more "limited".

You said it was an old version of your audio engine. What are the specs of your new audio engine?