Apple recently filed a patent application for a text-to-speech and a speech-to-text converter designed to work in noisy environments. The patent describes a system that uses a converter included on the logic board of the phone. This hardware-based conversion would have a distinct advantage over current text-to-speech systems which use an Internet-based service from a company like Nuance to translate conversions.
Unlike Android's text-to-speech system which is used for searching and navigation, Apple's patent describes a system used for sending and receiving phone calls. In one embodiment, a microphone on the iPhone would detect the ambient noise level and prompt the user to answ
