A text-to-speech (TTS) system implemented in an automotive vehicle is dynamically tuned to increase intelligibility over a wide variety of vehicle operating states and environmental conditions by tuning characteristics of the synthesized voice in response to measured operating states. To decrease distractions...http://www.google.com.hk/patents/US8165881?utm_source=gb-gplus-share專利 US8165881 - System and method for variable text-to-speech with minimized distraction to operator of an automotive vehicle
