Compressor
Compressor – a dynamic processor that can automatically control the gain of a signal. Once the incoming signal has reached a predetermined threshold, the compressor reduces the output of the signal by an amount determined by the ratio control. Effectively this is like a fraction, so if a ratio of 2:1 is set the amount of signal above the threshold will be halved, a ratio of 4:1 means it is quartered and so on. Compressors also have an attack control which determines how quickly the compressor reacts and a release control which determines how quickly the compressor stops compressing once the signal has gone below the threshold again.
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