Creative 70EM896106000 Owners Manual - Page 94
Soft K, reduction from dragging down the signal levels at the Threshold point, a comple
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5 - Effects Core Effects Descriptions 0dB -20dB Soft Knee (Varying the Soft Knee Threshold) Threshold: -20dB Ratio = 4:1 Knee Threshold -10dB Threshold -20dB Threshold -30dB -80dB This diagram shows the effect of varying the Soft Knee Threshold. Compression is 1:1 (no compression) at the Knee Threshold and smoothly transforms into the selected compression ratio at the Compression Threshold. The upward arrow shows the additional gain added to signals below the Threshold. 0dB -20dB -35dB Soft Knee (Varying the Compression Ratio) Threshold: -20dB Ratio = 1.5:1 Ratio = 4:1 Ratio = 10:1 Soft Knee: Threshold -15dB -80dB This diagram shows the effect of varying the Compression Ratio with a fixed Soft Knee Threshold. The knee transforms from a linear slope to the slope of the compression ratio over the Soft Knee Threshold area. The upward arrow shows the additional gain added to signals below the Threshold. In the region between the lower knee and upper Threshold, a variable amount of gain reduction is applied depending on the signal level and Ratio setting. To keep this gain reduction from "dragging down" the signal levels at the Threshold point, a complementary gain boost is automatically applied to all signal levels below the Threshold when the Soft Knee is enabled. This gain increase with depth and Ratio is illustrated by the upward arrows in the diagrams, and is similar to the action of the Auto Makeup Gain parameter. Thus signal levels below the Threshold increase as the Soft Knee depth and/or Ratio is increased (but see the Gate parameter, below.) 94 Tip: Setting a high Ratio with the Threshold at 0dB and the Soft Knee at 60dB creates a compressor whose ratio varies smoothly from gentle compression at lower signal levels to peak limiting at maximum signal level Creative Professional