Avid Technology SR2400, Setup Manual, Page: 64 / 90

Appendix A Avid Performance Meter
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Measurement Strategy
Throughput measurements are plotted periodically (every n seconds) and
represent a snapshot of performance at the time of the plot. This is done to
limit the amount of data that is plotted, which otherwise could include a very
large number of data points. As a result, the performance graph could miss a
momentary drop, increase, or a peak in performance that occurs between plot
points. The average rate calculation reflects the impact of such a dip or spike.