Useful Voice Processor requires the facilities provided by System 7. The program will not function on a Macintosh running System 6 or earlier.

Useful Voice Processor requires the speed of a Motorola 68020 processor or faster. The program will not function on a 68000-based Macintosh (Plus, SE, Classic, Portable, or PowerBook 100).

Click here to exit the Useful Voice Processor demonstration.