10. The personalized text-to-speech synthesizing method according to claim 9 , wherein the keywords are suitable for reflecting the pronunciation characteristics of the specific speaker and stored in association with the specific speaker.
9. A personalized text-to-speech synthesizing method, comprising: presetting one or more keywords with respect to a specific language; receiving a random speech fragment of a specific speaker that includes multiple words including a keyword from the preset one or more keywords and speech in addition to the keyword, wherein the random speech fragment is part of a multiple speaker conversation including the speaker; recognizing personalized speech features of the specific speaker by recognizing whether the keyword is found in the random speech fragment of the specific speaker, and, if the keyword is found in the random speech fragment, recognizing the personalized speech features of the specific speaker based on a comparison of a standard speech of the keyword and the speech of the keyword by the specific speaker in the random speech fragment, thereby creating a personalized speech feature library associated with the specific speaker, and storing in a memory the personalized speech feature library in association with the specific speaker; and performing a speech synthesis of a text message from the specific speaker, based on the personalized speech feature library associated with the specific speaker, thereby generating and outputting a speech fragment having pronunciation characteristics of the specific speaker.