Roland DiscLab CDX-1 Owner's Manual page 249

IN (Input): Specify the frequency points at which the original sound will be divided, so that the expander/compressor
can be applied independently to the low, mid, and high frequency ranges.
Input Gain (Input Gain)
Input Delay (Input Delay)
Lo Split Freq (Low Split Frequency)
Hi Split Freq (High Split Frequency)
Effect of "Input Delay" under Input
With ordinary compressors, a moment of delay occurs to suppress a level over instance after it has been
detected. With Mastering Tool, this problem is bypassed by using the input sound only for level detection and
adding a specified length of delay to the sound for processing and output. "Input Delay" under Input is the
setting of the delay time for this purpose. Note that supplying Delay Time causes time difference between
input and output of audio signals.
Splitting into frequency bands
To split into High, middle and low frequency bands, "Low
Split Freq" (Low Split Frequency) and "High Split Freq"
(High Split Frequency) under Input are used to specify
frequencies.
fig.42-1e
Expands the dynamic range (the proportion between the loudest and softest sounds) at
EXP (Expander):
a certain ratio.
Effect On/Off (Effect On/Off)
Low Threshold (Low Threshold)
Mid Threshold (Middle Threshold)
Hi Threshold (High Threshold)
Low Ratio (Low Ratio)
Mid Ratio (Middle Ratio)
High Ratio (High Ratio)
Low Attack (Low Attack)
Mid Attack (Middle Attack)
High Attack (High Attack)
Low Release (Low Release)
Mid Release (Middle Release)
High Release (High Release)
-24– +12dB This parameter sets the overall volume before entering expander/compressor.
0–10 ms This parameter sets the length of delay to add to the direct sound input.
20–800 Hz This parameter sets the frequency at which the direct sound is split into
three bands (on the low frequency band side).
1.60–16.0 kHz This parameter sets the frequency at which the direct sound is split into
three bands (on the High frequency band side).
OFF, ON This parameter turns the expander effects on/off.
-80–0 dB This parameter sets the volume at which the expander for the low
frequency band starts working.
-80–0 dB This parameter sets the volume at which the expander for the middle
frequency band starts working.
-80–0 dB This parameter sets the volume at which the expander for the high
frequency band starts working.
1:1.0–1:16.0, 1:INF This parameter sets the ratio at which the output in the low frequency band is
increased when the input level has dropped below the low threshold level.
1:1.0–1:16.0, 1:INF This parameter sets the ratio at which the output in the middle frequency band is
increased when the input level has dropped below the middle threshold level.
1:1.0–1:16.0, 1:INF This parameter sets the ratio at which the output in the middle frequency band
is increased when the input level has dropped below the High threshold level.
0–100 ms This parameter sets the time until when the low frequency band expander starts
working after the input level has exceeded the low threshold level.
0–100 ms This parameter sets the time until when the middle frequency band expander
starts working after the input level has exceeded the middle threshold level.
0–100 ms This parameter sets the time until when the High frequency band expander
starts working after the input level has exceeded the High threshold level.
50–5000 ms This parameter sets the time until when the low frequency band expander stops
working after the input level has dropped below the low threshold level.
50–5000 ms This parameter sets the time until when the middle frequency band expander stops
working after the input level has dropped below the middle threshold level.
50–5000 ms This parameter sets the time until when the High frequency band expander
stops working after the input level has dropped below the High threshold level.
Mastering Tools parameter list
Level "Lo Split Freq" "Hi Split Freq"
Low Freq Mid Freq High Freq
Freq
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