Patent ID: 8009961

Claim:
An electronic apparatus comprising: a stream content data obtaining unit to obtain stream content data; a file generating unit to generate stream files of content by converting the obtained stream data into a predetermined file format; a recording unit to record the generated stream files; an index file generating unit to generate an index file including a plurality of pieces of file information for the stream files recorded in the recording unit, each of the pieces of file information including first link information linking to one of the stream files; a bookmark information registering unit to, in response to an instruction to register a bookmark during the obtaining of the stream data, record second link information for linking to a bookmarked position of the recorded stream file in the piece of file information of the index file; and a playback managing unit to control display of a first thumbnail image generated from a first image representing the content of the recorded stream file and a second thumbnail image generated from a second image representing the content of the recorded stream file corresponding to a playback start position in the recorded stream file at which the bookmark is registered in different sizes in a mixed manner with a display element to indicate that each of the first and second thumbnail images is associated with the recorded stream file and to visually distinguish the second thumbnail image as representing a registered bookmark for the recorded stream file from the first thumbnail image representing the content of the recorded stream file, wherein at least one of the units includes a processor.