> On May 2, 2007, at 9:05 PM, John Bertsche wrote: > >> Anyone know what the reason for the 2 gig limit is? > > Something to do with 32 bit addressing unless I am mistaken. > Yes, but the OS or the CPU, it's the Wave and AIFF formats that are bound to 32bit sizes/offsets. If/when Logic supports CAF (CoreAudio format) files You will have full 64bit sizes, probably in the next 64bit savvy version of Logic... Janne