1. (Verb.) To check the technical quality of a transmission. 2. (Noun.) An apparatus for comparing the technical quality of a program at one point in the transmission chain with that of the same program at another point and for giving an alarm if there is any significant difference between the two.
"What a job! I received my original lp and the "rejuvenated " CD today. I was well worth the wait. I can't believe the marvelous job you did in restoring this old LP to a new CD. I never thought, in my wildest dreams, that you could restore and repair this rendering in the manner that you did. I am totally satisfied. At present I don't have ..."