1. A speech recognition system comprising: speech input means that inputs speech data; speech recognition means that receives the speech data input from said speech input means and performs speech recognition; recognition result evaluation means that derives a confidence of a recognition result obtained by the speech recognition by said speech recognition means and determines a priority of the recognition result based on the confidence; storage means that stores at least the recognition result and the priority; recognition result formatting means that performs formatting of output information on the recognition result according to the priority; and output means that outputs the output information that has undergone formatting by said recognition result formatting means.