Abstract: Digital multimedia presentations are assembled at a central location for stores. Start and end times are assigned. The digital multimedia presentations and the assigned start and end times are transmitted to and received at the stores. The received presentations are stored in digital multimedia players at the stores. Upon occurrence of an assigned start time, the associated digital multimedia presentation is automatically played in the store until the assigned end time. If a presentation is not available at a particular time, a generic default presentation is played. The presentations may be played at assigned start and end times until an expiration date, after which it is automatically deleted from the digital multimedia player. The digital multimedia presentations may be customized at the central location and/or at the stores. The present invention is particularly applicable for generating menu boards for an enterprise which includes multiple sites.

Abstract: A method and apparatus are disclosed for converting nonstandard video signals, such as generated by popular micro computers to N.T.S.C. video standard signals. The nonstandard video is digitized and temporarily stored in one or more line memories. The data is then removed from the line memories by a clock signal related to a N.T.S.C. source. A luminance and chrominance converter circuit converts the horizontal scan frequency from an even harmonic to an odd harmonic of the color subcarrier so that the luminance information is properly related to the horizontal timing and chrominance is properly related to the color subcarrier. The corrected signal can be gen-locked to an external video signal and superimposed on such external signal.