Live search for mobile:Web services by voice on the cellphone

ABSTRACT Live Search for Mobile is a cellphone application that allows users to interact with web-based information portals. Cur- rently the implementation,is focused on information related to local businesses: their phone numbers and addresses, direc- tions, reviews, maps of the surrounding area, and traffic. Th is paper describes a speech-recognition interface which was re- cently developed for the application, which allows the users to interact by voice. The paper presents the overall archi- tecture, the user interface, the design and implementation of the speech recognition grammars, and initial performance re- sults indicating that for sentence level utterance recogni tion we achieve 60 to 65% of human,capability. Index Terms— multimodal, speech recognition, cellphone, user interface, grammars