34. A document processing apparatus comprising: a detection circuit for detecting video data designation information attached to electronic document data, the electronic document data including: (i) a first element having a first central activation value used to generate an index; (ii) a second element having a second central activation value used to generate said index; and (iii) read out audio attribute information; a generating circuit for generating a summary of said electronic document data, wherein said generation of said summary includes spreading said first central activation value to said second central activation value; a video data selection circuit for selecting video data in accordance with said detected video data designation information; a storage device configured to store a categorization model, the categorization model including a plurality of data categories; a data categorization circuit for creating an automatic categorization based on any one of said video data and electronic document data in accordance with the categorization model and updating the categorization model with the automatic categorization; a document output control circuit for controlling an output of said summary of said electronic document data such that said summary of said electronic data being output is automatically progressed based on at least one of a size of a display area and a length of time displayed; a video output control circuit for controlling an output of said selected video data in correspondence with the output of said summary of said electronic document data such that said selected video data being output is output in synchronization with said progress of the said operation of outputting said summary of said electronic data; an audio output circuit for controlling an output of a read out audio based on read out audio attribute information in said electronic document to synthesize said read out audio; and wherein said video output control circuit automatically terminates the output of said video data upon completion of the outputting of said summary of said electronic document data regardless of whether an end of the video data has been reached.
34. A document processing apparatus comprising: a detection circuit for detecting video data designation information attached to electronic document data, the electronic document data including: (i) a first element having a first central activation value used to generate an index; (ii) a second element having a second central activation value used to generate said index; and (iii) read out audio attribute information; a generating circuit for generating a summary of said electronic document data, wherein said generation of said summary includes spreading said first central activation value to said second central activation value; a video data selection circuit for selecting video data in accordance with said detected video data designation information; a storage device configured to store a categorization model, the categorization model including a plurality of data categories; a data categorization circuit for creating an automatic categorization based on any one of said video data and electronic document data in accordance with the categorization model and updating the categorization model with the automatic categorization; a document output control circuit for controlling an output of said summary of said electronic document data such that said summary of said electronic data being output is automatically progressed based on at least one of a size of a display area and a length of time displayed; a video output control circuit for controlling an output of said selected video data in correspondence with the output of said summary of said electronic document data such that said selected video data being output is output in synchronization with said progress of the said operation of outputting said summary of said electronic data; an audio output circuit for controlling an output of a read out audio based on read out audio attribute information in said electronic document to synthesize said read out audio; and wherein said video output control circuit automatically terminates the output of said video data upon completion of the outputting of said summary of said electronic document data regardless of whether an end of the video data has been reached. 35. The document processing apparatus of claim 34 , further comprising a voice output control circuit for controlling the output of a voice reading aloud said electronic document data, wherein said video output control circuit controls the outputting of said video data, in synchronization with the progress of the operation of reading aloud said electronic data.