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"You converted an old LP to CD's for me recently. I'm very impressed with the quality of the cleaned up recording. It sounds amazingly like it did 45 yrs ago! Thank you so much! This was an LP with great sentimental value, so didn't want to take chances with it being damaged or lost somewhere in the process of being mailed or copied. Your ..."

Standard operating level

A specified reference level. In recording applications, standard operating level is defined as O VU = + 4 dBm. In broadcasting, O VU = + 8 dBm: