The application of speech technology in mobile GIS

摘要

How to apply natural language and speech technology is one of the important contents that increase the intelligent degree of mobile GIS and improve its serving system. From system structure and application demand of mobile GIS, this paper basically explained the application objective and key techniques of speech and natural language in mobile GIS, discussed the multi application modes of speech and natural language that includes the centralized mode and the distributed mode, the perfect natural language mode, the human-computer conversation mode and the mixed mode among them, the speaker-dependent mode and the speaker- independent mode. Finally some primary application methods, about how to adopt these speech application modes in mobile GIS, were synoptically analyzed.