Patent ID: 7974715

Claim:
A digital playback system for viewing and listening to previously recorded digital audio/video files, such digital files each being comprised of file segments, each of such file segments having a date and time of recording associated therewith, said digital playback system including in combination: a) a storage device containing prerecorded digital audio/video files including the date and time of recording thereof; b) a computer for accessing said prerecorded digital files in the storage device; c) a circuit coupled to said computer for receiving digital audio/video signals from the audio/video files accessed by the computer for reproducing the digital signals to electronic audio and video signals; d) a display coupled to said computer for allowing a user to display digital file entries corresponding to date and periods of time of recording during which at least one recording session was recorded; and e) playback selection means for allowing a user to select a desired digital file entry from those file entries indicated by the display; and f) wherein the computer is responsive to the playback selection means for identifying all file segments stored on the selected entry date, and which collectively represent a selected virtual file entry, and further wherein the computer allows the display to depict a first Graphical time line representing the selected virtual file entry in the form of an entire period's worth of recording sessions from the selected source of signals for the desired period of time.