A software architecture supporting in-car speech interaction

Project54 is a research and development effort that involves integrating electronic devices in police cruisers into a single system. Officers primarily interact with the Project54 system through its voice interface. The Project54 system software architecture is completely modular and is based on Microsoft´s Component Object Model (COM). The software includes specialized modules that allow interfacing to commercial speech recognition (SR) and text-to-speech (ITS) engines. Modules can communicate by means of one-to-one text messaging. Recognition results from the SR engine are routed to the appropriate destination application using text messages. Similarly, speech output requests are routed from applications to the TTS engine in the form of text messages. The system is currently used in over 100 cruisers of the New Hampshire State Police and other police departments in New Hampshire.