Dynamic range, abbreviated DR or DNR, is the ratio between the largest and smallest possible values of a changeable quantity, such as in signals like sound and light. It is measured as a ratio, or as a base-10 (decibel) or base-2 (doublings, bits or stops) logarithmic value.
Dynamic range and human perception
{| class="wikitable infobox" style="width:1px;;"
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! Factor (power) !! Decibels || Stops
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||1 || style="text-align:right;"| 0 || style="text-align:right;"| 0
|- style="text-align:right;" ...