TL Audio VP-1 - Manual (Page 13)

4.14 De-esser
Frequency.
The Frequency control selects at which particular frequency the gain reduction is
made to occur, and covers the range 700Hz to 7kHz. Vocal sibilance normally occurs
in the range 3kHz to 5kHz, so it’s normal to set the Frequency control within this
range.
4.15 De-esser
Bandwidth.
The Bandwidth control governs the broadness of the band of frequencies which are
affected by the de-esser. Selecting a very narrow bandwidth enables the user to hone
in on a tightly defined range of frequencies and effect only these - without upsetting
the rest of the frequency spectrum. A wider bandwidth will cause gain reduction to
occur on a broader spread of frequencies, and will thus be more pronounced in its
effect.
4.16 De-esser
Meter.
Like the Expander/Gate, the De-esser has a dedicated LED meter that indicates the
amount of gain reduction occurring, between 1 and 14dB. This meter is only active
when the De-esser section is engaged. A bypass switch is provided to allow the De-
esser to be switched in and out of circuit.
4.17 Compressor
Section.
The VP-1 compressor stage is a very effective tool in controlling signal dynamics,
offering a range of sounds and very flexible control over compression parameters.
Valve compression is routinely used to limit the dynamic range of a signal, helping it
to sit correctly within a mix and lending fatness and warmth, particularly when
recording onto a digital medium.
The design of the compressor stage means that it’s possible to be quite extreme when
setting up the compression controls, since even when heavy gain reduction is
occurring the compressor maintains the quality of the source signal without
introducing unwanted side effects such as pumping, breathing and dulling of high
frequencies. Don’t be afraid to push the compressor hard with low thresholds and
high ratios!
4.18 Compressor
Threshold.
The Threshold control is used to set the signal level at which the compressor starts to
act: incoming signals above the threshold will be compressed, those below will pass
through without any gain reduction occurring. The threshold control is calibrated
from +20dBu to -20dBu, resulting in increased compression as the control is rotated
clockwise and the threshold is lowered. Some compressor threshold controls work in