1. A speech processing apparatus comprising: a recognition feature information extracting unit which extracts recognition feature information having a characteristic of recognition result data obtained by performing a speech recognition process on an inputted speech, from said recognition result data; a language feature information extracting unit which extracts language feature information having a characteristic of a pre-registered language resource from said pre-registered language resource; and a verification model obtaining unit which obtains a verification model by a learning process based on the extracted recognition feature information and language feature information.