3-54
OPERATION ORBAN MODEL 8685
For example, if the 2B
BREAKPOINT is set to 10 DB, the release rate (in dB/second) will
be constant when the gain reduction is above 10 dB. Between 10 dB and 0 dB gain
reduction, the release rate will slow down more and more.
The calibration of the B
REAKPOINT controls is only accurate when KNEE = 0 dB and/or
R
ATI O = infinity:1 — i.e., when the compression ratio is essentially infinite. When the
ratio is less than infinite, the effective breakpoint of the compressor will be lower
than 2B
BREAKPOINT setting.
The main use of the 2B
BREAKPOINT control is to prevent the compressor from objec-
tionably increasing audio density when using low compression ratios and a signifi-
cant amount of gain reduction—for example, 10 dB. The 2B
BREAKPOINT control is
best adjusted by ear. If you find that density increases too much as gain reduction
increases, lower the 2B
BREAKPOINT control’s setting. If you want more density at
high amounts of gain reduction, increase the 2B
BREAKPOINT control’s setting. 10 dB
Figure 3-2: Output level in dB (y) for a given input level in dB (x) at various settings of the
K
NEE and RATIO control
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