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This block functions exactly like RMS (gain) but does not include the knob for post gain.
For the block picture at right, the Mono Algorithm was chosen, meaning there is only one set of input/output pins.
Push Show Graph to open the Compression Curve window. Right-click along the curve to add or remove control points according to your needs.
This block uses an rms dynamics processor that can control the rms TC (time constant), Hold, Decay, and Soft Knee behavior, and also lets you open the compression curve graph for your curve creation.
RMS works on a longer average than peak processors, thus allowing some fast loud transients to pass without compression, operating more on longer segments that exceed the threshold.
To use this block:
|RMS TC (db/s)||Controls the time constant (TC) in dB/second that is used for calculating the RMS input value. The time constant determines how rapidly the compressor will respond to input signal level changes, e.g. the “Attack” time. Larger values result in faster response times.|
|Hold (ms)||Controls the time (in ms) the compressor maintains its current output gain setting after the input level decreases, before the gain starts increasing back to normal.|
|Decay (db/s)||Controls the rate at which the compressor gain increases back to normal in response to decrease in the input signal level, e.g. the “Release” time. Larger values result in faster recoveries. Cannot be higher than the RMS TC rate.|
|Soft Knee||Soft-knee lets the compressor ease into action, making a less-abrupt change from unprocessed signal to compressed signal. Typically it sounds better. If it is not activated, the default is hard-knee behavior, meaning compression reduces signal level immediately when the threshold is passed.|
|Show Graph||Opens the Compression Curve editor window.|