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"Dear CVC Productions: I waited for years for an obscure Japanese musician's work to be released on a CD. No luck. So I sent my three old, long-play records to CVC for conversion. I now am the proud owner a single CD with the cream cuts off those three albums! Very satisfying. Good work guys! Thank you! "

Expander

An audio amplifier designed to provide an output level that increases out of proportion to the input level. An expander does the opposite of a compressor; it expands signals above a set threshold. If sounds above a threshold are expanded, it is equivalent to attenuating those below it. It can thereby reduce noise or low-level background sounds and when so used is called a noise gate. By attenuating decaying sound, reverberation time can be reduced.