A mike in a completely silent room still generates some residual noise. This generated noise can be measured and is figured by taking a mike’s sensitivity and relating it to the threshold value of hearing. A more common method is stating the signal-to-noise ratio.
"You recently converted an LP to CD for me. The results are nothing short of Spectacular! I am amazed at how 'clean' and 'robust' the results are and I am enjoying listening to this CD as if it was just cut. Thank you for this 'Memory Lane' heirloom."
