25—Automix
Roland VS-2400CD Owner’s Manual www.RolandUS.com 327
region less extreme while retaining their basic character. Expansion makes the
difference between your highest and lowest values more extreme.
•
Shift
—subtracts or adds a single specified amount to all parameter values in the
selected region. You’d use Shift to simply raise or lower the selected values by the
same amount.
Parameter Value Percentages
The COMP/EXP. edit operations identify a parameter’s values based on where they sit
within the entire 100% range of the parameter’s possible values. This allows you to
identify the desired threshold value for compression/expansion, and helps you know
how much shift to apply to an Automix region’s parameter values, regardless of the
kind of automated parameter you’re working with.
Compression and Expansion
Compression and expansion decrease or increase, respectively, the distance between
the region’s parameter values and a threshold parameter value. You can select as your
threshold any of the parameter’s possible values, from 0 for its lowest value, to 50 for its
middle value, to 100 for its maximum value. Set Expand to the amount by which you
want to multiply the distance between the region’s values and the threshold value. You
can use:
•
Compression
—Expand settings less than 1.0 bring parameter values closer to the
threshold value.
•
Expansion
—Expand settings greater than 1.0 increase the distance between
parameters values and the threshold value.
Shift
Shift allows you to raise or lower all parameter values in the selected region by a
percentage of the parameter’s entire range of values. You can set Shift anywhere from
-50—which reduces the parameters’ values by 50% of the parameter’s entire range—to
50, which increases them by 50%.
Parameter values exactly equal to the threshold value are not changed by Compression
and Expansion.
An Expand value of exactly 1.0 causes no change in the selected parameters’ values.
OUTIN OUTIN OUT IN OUT
Before Compression Expansion
TTT
OUTIN OUTIN OUT IN OUT
Before Positive Shift value Negative Shift value
VS2400OMUS.book 327 ページ ２００６年２月２８日 火曜日 午前１１時１２分
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