Information display apparatus, information display method and program therefor

An information display apparatus using a storage medium storing a video and a speech, comprising:

• a playback unit configured to playback the video and the speech from the storage medium;
• a playback control unit configured to control the playback unit to control a playback state and playback sound volume;
• a display device configured to display the playback video;
• a playback state detector configured to detect the playback state of the video and the speech that are played back by the playback unit;
• a closed caption display unit configured to display, on the display device, character information associated with the speech;
• a closed caption display control unit configured to change according to the playback state a display state of the character information displayed on the display device by the closed caption display unit.

An information display apparatus comprising:

• a playback unit configured to playback a video and a speech;
• a display device configured to display the video;
• a closed caption display unit configured to generate character information associated with the video and the speech and display it on the display device;
• a display selection unit configured to select a multi-screen display mode for displaying a plurality of videos on multi-screens or a single-screen display mode for displaying a single video on a single screen;
• and
• a closed caption display control unit configured to change a display state of the character information concerning each of the videos displayed on the multi-screens when the multi-screen display mode is selected.

A computer-readable medium including computer-executable instructions, wherein the instructions, when executed by a processor, cause the processor to perform a method comprising:

• playing back a video and a speech from a recording medium;
• controlling a playback state and playback sound volume;
• detecting the playback state of the video and the speech that are played back;
• changing a playback state of the video and the speech;
• displaying character information associated with the video and the speech;
• and
• changing a display state of the character information according to the playback state of the video and the speech.