5. The speech-to-text system, according to claim 4 , wherein the synchronization unit synchronizes the edit cursor position with the speech playback time.
4. The speech-to-text system, according to claim 1 , including: a speech playback unit which plays back the speech data; and a synchronization unit which synchronizes an edit cursor position of the text editor unit with speech playback time of the speech playback unit by referring to correspondence between the edit result text and the speech data made by the matching unit.