BURLINGTON, Mass., Sep 15, 2011 (BUSINESS WIRE) –Nuance Communications, Inc. /quotes/zigman/98548/quotes/nls/nuan NUAN +1.61% today announced that its trusted voice technology is powering the SayHi Translate app for iPad, iPhone and iPod touch. SayHi Translate takes advantage of the Dragon Mobile SDK through the Nuance Mobile Developer Program, providing developers with access to powerful speech recognition …