Mandarin short message dictation on Symbian series 60 mobile phones
Jari Alhonen, Yang Cao, Guohong Ding, Ying Liu, Jesper Østergaard Olsen, Xia Wang, Xinxing Yang · 2007
Despite having limited keypads, mobile phones are nevertheless widely used for composing text messages, and the need to process text on the mobile is growing all the time. Speech dictation is a possible solution, but has until recently not been a viable option due the limited computational resources available on mobile phones. We have previously implemented mobile speech dictation for English and other European languages. Chinese differs in many ways from European languages - Chinese is a tonal, syllabic language and written Chinese is not based on an alphabet. From a UI perspective Chinese text input is arguably more challenging than text input in European languages. In this paper we describe how we have ported our UI and dictation engine to support Mandarin Chinese. The system has been implemented to run in real time on the MCU of Nokia S60 mobile phones (E50, E60, E62 and N73).