Datenverarbeitungsverfahren und -gerät, Datenwiedergabeverfahren und -gerät, Datenaufzeichnungsmedien

摘要

In a data processing apparatus used for a multi-channel digital television broadcasting system, coded streams are recorded on a recording medium (21) with high efficiency, and can be random-accessed at high speed. The data processing apparatus includes segmenting means (11) for segmenting the entered coded stream with respect to a predetermined time unit, first forming means (23) for forming a time unit map indicative of an address of data every time unit of the coded stream which is segmented by the segmenting means (11) and second forming means (16) for forming an entry point map indicative of an entry point of said coded stream.