Zplane have anounced PPMulator 3.1.2 which includes;

• Support for AAX Native (32/64 bit) on Windows and Mac
• Support for ATSC/A85  (only PPMXL)
• Support for larger files (>  2GB)
• Improved resampling

The update is free for all registered users and can be downloaded from the user accounts.

More info and demo here