Patent ID: 7174083

Claim:
A system that uses structured representations to index recordings of activity comprising: a recording system that records an on-going activity; an indexing device that adds recordings of activity to at least one index as the activity is recorded, indexes at least a first and a second subsequent recorded portion of the on-going activity, and edits recordings of activity based on a user input; an object description file that stores the at least one index; a user input device that selects at least one item of the at least one index based on a user input during or after the recording of the activity; an association device that associates the selected at least one item with a recording of the activity; and a playback system for replaying the first indexed portion of the recording during the simultaneous recording of the current second indexed portion of the on-going activity while the replayed first indexed portion is simultaneously being re-recorded and indexed to the current second indexed portion.