Patent ID: 7552228

Claim:
A computer-readable medium having computer-executable instructions for reproducing on a viewing computer a presentation that was previously presented live, said viewing computer having a display, said presentation including a predefined content portion with a plurality of presentation slides that were displayed in response to slide triggering events during the presentation when it was presented live, and a live portion comprising live audio and/or visual content performed in conjunction with display of said plurality of presentation slides during the presentation when it was presented live, execution of the computer-executable instructions causing the view computer to: (a) produce a recording of the presentation when it was presented live by performing the steps of: (i) producing a data stream comprising data corresponding to the live portion of the presentation, wherein the live portion of the presentation is captured as a plurality of video frames comprising a plurality of keyframes and deltaframes; (ii) generating slide display commands corresponding to said slide triggering events captured in real time during the presentation when presented live, each slide display command controlling display of an associated presentation slide when the recording is played; (iii) automatically including the slide display commands with the data corresponding to the live portion of the presentation in the data stream as the data stream is being produced, said slide display commands being automatically time indexed in regard to the keyframes and deltaframes within the data stream based upon the time when the slide triggering events occurred in the presentation when presented live; and (iv) saving the data stream to the data stream file that is accessible by the viewing computer; (b) save the predefined content portion to at least one presentation slide file that is accessible by the viewing computer; (c) access the data stream file with the viewing computer; (d) reproduce the live portion of the presentation on the display of the viewing computer by playing the data stream file; (e) extract the slide display commands from the data stream as the slide display commands are encountered while playing the data stream file; (f) in response to each slide display command that is extracted in the proceeding step, access data corresponding to its associated presentation slide with the viewing computer; and (g) reproduce each of the plurality of presentation slides on the display of the viewing computer as data corresponding to that presentation slide is accessed by the viewing presentation slide is displayed at substantially an identical item relative to when displayed during the live portion of the presentation when presented live.