Recording medium, method for previewing on-demand digital multimedia data on the recording medium

A method for previewing digital audio/video data, to be used in a medium reproducing system having a signal receiver, an audio output device and a display;

• said method comprising the steps of:
• (a) dividing, encoding and storing a data in a recording medium, so that said recording medium comprising at least a preview audio/video data unit area, a background page area, and a page control descriptor area;
• said preview audio/video data unit area comprising a plurality of preview audio/video data unit, said background page area storing background page video data, said background page area at least comprising a plurality of buttons, said page control descriptor area at least comprising a number of total buttons, and a plurality of button information areas;
• each button information area storing button information including at least a starting address of said preview audio/video data unit, preview window coordinates, and a preview window size;
• (b) reading, de-multiplexing and decoding said page control descriptor and said background page video data, and outputting decoded said background page video data to said display;
• (c) detecting an input switch button signal, and identifying corresponding button;
• (d) reading, de-multiplexing and decoding said preview audio/video data unit according to said starting address of said preview audio/video data unit in said button information;
• and
• (e) previewing said preview audio/video data unit.