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4. To use as a de-esser‚ engage the side-chain
DDee--eessss
filter. Set the
AAttttaacckk
and
RReelleeaassee
controls at
minimum and the
CCoommpprreessssoorr RRaattiioo
to 4:1. Speak or sing a phrase with heavy sibilance (lots of
“Ss”) and adjust the
CCoommpprreessssoorr TThhrreesshhoolldd
until 6–9 dB of gain reduction occurs at the peaks.
This will get you close to where you need to be. Modify the settings for more or less reduction.
If the ratio is too high or the threshold is too low the compression may be exaggerated‚ causing
the material to drop excessively in volume (duck) during sibilance.
5. When heavy bass or low frequency noise causes the compressor to drop levels unnecessarily‚
the side-chain
LLooww--ccuutt
filter can be used. When activated‚ the
CCoommpprreessssoorr TThhrreesshhoolldd
should be
reset since a large portion of the signal usually contains low frequency components. The bass
will have less affect on the compressor and the signal will sound more natural. If the source
contains only bass frequencies‚ this may prevent the compressor from working at all and the
bass will pass through unchanged.
6. After all the settings are made‚ adjust the
GGaaiinn
control for a 0 dBu (or +4 dBu) average on the
output meter.