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KDFX Reference
KDFX Algorithm Specifications
elements are accurately representing their preset values determined by the
current Room Type.
Room Types with similar names in different reverb algorithms do not sound the
same. For example, Hall1 in Diffuse Verb does not sound the same as Hall1 in
TQ Verb.
Size Scale This parameter scales the inherent size of the reverb chosen by Room Type. For
a true representation of the selected Room Type size, set this to 1.00x. Scaling
the size below this will create smaller spaces, while larger scale factors will
create large spaces. See Room Type for more detailed information.
InÞnDecay Found in ÒVerbÓ algorithms. When turned ÒOnÓ, the reverb tail will decay
indeÞnitely. When turned ÒOffÓ, the decay time is determined by the ÒRvrb
TimeÓ or ÒLateRvbTimÓ parameters.
LF Split Used in conjunction with LF Time. This controls the upper frequency limit of
the low frequency decay time multiplier. Energy below this frequency will
decay faster or slower depending on the LF Time parameter.
LF Time Used in conjunction with LF Split. This modiÞes the decay time of the energy
below the LF Split frequency. A setting of 1.00x will make low frequency energy
decay at the rate determined by the decay time. Higher values will cause low
frequency energy to decay slower, and lower values will cause it to decay more
quickly.
TrebShlf F Adjusts the frequency of a high shelving Þlter at the output of the late reverb.
TrebShlf G Adjusts the gain of a high shelving Þlter at the output of the late reverb.
BassShlf F Adjusts the frequency of a low shelving Þlter at the output of the late reverb.
BassShlf G Adjusts the gain of a low shelving Þlter at the output of the late reverb.
DiffAmtScl Adjusts the amount of diffusion at the onset of the reverb. For a true
representation of the selected Room Type diffusion amount, set this to 1.00x.
DiffLenScl Adjusts the length of the diffusion at the onset of the reverb. For a true
representation of the selected Room Type diffusion length, set this to 1.00x.
DiffExtent Adjust the onset diffusion duration. Higher values create longer diffuse bursts
at the onset of the reverb.
Diff Cross Adjusts the onset diffusion cross-coupling character. Although subtle, this
parameter bleeds left and right channels into each other during onset diffusion,
and also in the body of the reverb. 0% setting will disable this. Increasing this
value in either the positive or negative direction will increase its affect.
Expanse Amount of late reverb energy biased toward the edges of the stereo image. A
setting of 0% will bias energy towards the center. Moving away from 0% will
bias energy towards the sides. Positive and negative values will have a different
character.
LFO Rate Adjusts the rate at which certain reverb delay lines move. See LFO Depth for
more information.
LFO Depth Adjusts the detuning depth in cents caused by a moving reverb delay line.
Moving delay lines can imitate voluminous ßowing air currents and reduce
unwanted artifacts like ringing and ßutter when used properly. Depth settings
under 1.5ct with LFO Rate settings under 1.00Hz are recommended for
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