Junger Audio D*AP8 Digital Audio Processor - Manual (Page 70)

D*AP8
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Jünger Audio – Upward Compressor
The parameters of the dynamic section are explained below in reference to the curves :
Jünger Audio Expander Threshold Signals below threshold are processed,
signals above pass unaffected. Please be
aware that this is only true in Gate mode,
as the Expander mode features soft knee
characteristics.
Range Maximum reduction range. Its value
determines the maximum reduction of the
input signal. This parameter is
sometimes called 'floor', but differs in
terminology. A floor level is defined as an
absolute value in dBFS, no matter where
the threshold is set. Range defines the
relative range of reduction in dB below
threshold and is thus independent from
absolute values. When it is set to
'Gate' the input signal is muted.
Release The release mode controls the timing of
Mode the closing of the Gate/Expander.
Release mode 0 is very fast and even
short gaps or signal intermissions lead to
gain reduction. On the other end of the
scale, 9 is a very slow mode with a
relaxed handling of gaps and low level
periods. All modes feature the same
super fast opening when the signal
returns above threshold.
Reference Not to be confused with threshold, this
Level
parameter defines the turning point of the
(dBFS) response curve from upward to
downward compression (see picture).
When set to 0dBFS, the signal is
amplified according to the ratio and range
settings.
Range (dB) This defines the range over which
dynamic compression is applied as
defined by the ratio setting. Signals
outside of this range are still reduced or
amplified but not altered in their dynamic
structure.
Ratio Determines the amount of gain reduction
by a selectable ratio. Although the same
in mathematical terms, understanding is
easier when differentiating between
upward and downward compression:
Processing
The timing characteristics of the compressor are generated adaptively
according to the incoming signal structure. The overall timing can be
set up from fast and responsive settings (lower numbers) to relaxed
settings (higher numbers) without detailed access to the actual micro
timings. The names behind some of the numbers may help to easily
find adequate values to your content.