| 摘要 |
<p>PROBLEM TO BE SOLVED: To display an electronic document of a material at timings a synchronizing with those as presented actually at the place of conference or presentation when time-series information of a dynamic image, a sound, etc., is reproduced. SOLUTION: The electronic document as the material which is shown in the conference or presentation place is stored in an electronic document storage means 113 while made to correspond to an identifier given to the material. The identifier of the shown material and information regarding the display time are stored in a material display timing storage means 114 while made to correspond to each other. When the time series information recorded so as to reproduce the conference or presentation is reproduced, the electronic document as the material shown at the present reproduction point of the time- series information is retrieved from the electronic document storage means 113 according to the information stored in the material display timing storage means 114 and displayed by a reproduction part 102 in synchronism with the reproduction of the time series information.</p> |
