A speech recognition apparatus and method for use in a car navigation system performs speech processing for recognizing speech or spoken words referring to a specified region. An input audio signal or vocalized speech undergoes speech processing to determine and recognize the region specified in the...http://www.google.com.hk/patents/US6067521?utm_source=gb-gplus-share專利 US6067521 - Interrupt correction of speech recognition for a navigation device
