KDFX Reference
KDFX Algorithm Specifications
10-251
parameter to attempt to correct the problem. Positive delays are delaying the left channel, while negative
delays are delaying the right channel.
By inverting one channel with respect to the other, you can hear what is characterised as “phasey-ness”.
Usually in stereo recordings, you can localize the phantom image of sound sources somewhere between
the two loudspeakers. With a phasey signal, the localization cue get mixed up and you may hear the sound
coming from everywhere or within your head. Polarity reversals are provided in this algorithm so you can
test for mistakes, or simply for experimentation.
Parameters
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L In Gain The input gain of the left channel in decibels (dB).
R In Gain The input gain of the right channel in decibels (dB).
L Invert When set to on, the polarity of the left channel is reversed.
R Invert When set to on, the polarity of the right channel is reversed.
L Out Mode Determines which signal is to be metered (left meter) and passed to the left output.
Choices are “L” (left), “R” (right), “(L+R)/2” (normalized sum), “(L-R)/2” (normalized
difference), and polarity inverted versions of these.
R Out Mode Determines which signal is to be metered (right meter) and passed to the right output.
Choices are “L” (left), “R” (right), “(L+R)/2” (normalized sum), “(L-R)/2” (normalized
difference), and polarity inverted versions of these.
L/R Delay If this parameter is positive, the left signal is delayed by the indicated amount. If it is
negative, the right channel is delayed. You can use this parameter to try to improve
cancellation of the difference signal if you suspect one channel is delayed with respect to
the other.
RMS Settle RMS Settle controls how fast the RMS meters can rise or fall with changing signal levels.
Units are decibels per second (dB/s).
L In Gain Off, -79.0 to 24.0 dB R In Gain Off, -79.0 to 24.0 dB
L Invert In or Out R Invert In or Out
L Out Mode L R Out Mode R
L/R Delay -500.0 to 500.0 samp RMS Settle 0.0 to 300.0 dB/s
Peak (-dBFS)
LR
55 40 * 16 8 4 0 55 40 * 16 8 4 0
LR
RMS (-dBFS)
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