Patent ID: 8872978

Claim:
A method for use with a system that provides automatic compensation for frequency attenuation of a video signal transmitted over a cable, comprising: (a) compensating for frequency attenuation that occurred during the transmission of the video signal over the cable to thereby produce a compensated video signal; (b) automatically adjusting the compensating based on analysis of the compensated video signal to thereby automatically adjust for changes in the cable and/or the video signal transmitted over the cable; (c) for each of a plurality of times, storing one or more values indicative of one or more levels of compensation performed at the time; (d) monitoring for changes in the cable and/or the video signal transmitted over the cable based on the stored values; and (e) triggering an alert in response to detecting, based on the stored values indicative of one or more levels of compensation performed at the time, at least one of the following (i) a change in at least one type of the stored values that exceeds a corresponding threshold, (ii) a change in at least one type of the stored values that exceeds a corresponding threshold within a predetermined amount of time, or (iii) a rate of change in at least one type of the stored values that exceeds a corresponding threshold.