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Partikl 3 User Guide

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Partikl FX Unit: Compressor

Compressor screenshot, small

Overview

This can be used to help compress the signal in the DSP chain.

If you view the compressor behaviour as a function of Output (in dB) against Input (in dB), the compressor displays three distinct regions of behaviour:

  • Linear with a slope of 1 up to the Compression Threshold (CT)
  • Compressor with a slope of 1/CR (where CR is the Compression Ratio) up to the Limit Threshold (lT)
  • Limiter with a slope of 0 from the Limit Threshold (lT) and beyond

The main controls in this unit are:

Gain In: Input gain setting; defaults to 0 dB.

Threshold: This is the input/output level where the compressor becomes active. Below this level input = output.

Gain Out: Output gain setting; defaults to 0 dB.

Attack: This determines how quickly the envelope will respond to a positive change in the signal level. The value indicates the time it takes the envelope to rise 50% of the change.

Ratio: Determines the compression ratio. If this value is < 1 it will in effect work as an expander.

Release: This determines how quickly the envelope will respond to a negative change in the signal level. The value indicates the time it takes the envelope to fall 50% of the change.

Level Detect Mode: This has one of two values, which determines whether the signal is compressed/limited according to the peak or RMS level of the signal.

  • Peak: Use Peak signal
  • RMS: Use RMS signal

Limiter: The output is limited to this level. If this value is lower than dBCompThreshold, the compressor will not be in operation.