Compressors, Expanders, And Gates; Eq Morpher - Kurzweil Flash Play PC4 Musician's Manual

The Effects Chain Editor
Effects Parameters
Drive adjusts the input into each band. Increasing the drive will increase the effects. Range is
-79.0 to 24.0 dB.
Xfer adjusts the intensity of the transfer curves. Range is -100 to 100%.

EQ Morpher

This effect uses two four-band bandpass filters, A and B, and moves between them. This can
produce very convincing human vocal type sounds.
FreqScale offsets the filter frequencies for each set of filters. After setting the filter parameters
(Freq, Gain, and Width), the FreqScale parameters will move each of the four filter
frequencies together by the same relative pitch. Range is -8600 to 8600 cents.
Morph A>B. When set to 0% the "A" parameters are controlling the filters, and when set
to 100%, the "B" parameters control the filters. Between 0 and 100%, the filters are at
interpolated positions. When morphing from A to B settings, the A filter #1 will change to
the B filter #1, A filter #2 moves to B filter #2, and so on. Range is 0 to 100%.

Compressors, Expanders, and Gates

A wide range of Compression and Expansion effects is available in the PC4. The various
effects include different combinations of:
• Compressors with soft-knee characteristic—the compression action comes in
• Compressors with hard-knee characteristic—the compression action comes in
• Expanders
• Multiband compressors that break the signal up into three frequency bands and
• Sidechains or output EQs
• Reverbs and compressors in combination
• Gates
• Gated reverbs
All of the Compression effects use these parameters:
FdbkComprs (Feedback Compression) selects whether to use feed-forward (set this to
"Out") or feed-back (set this to "In") compression. The feed-forward configuration uses the
input signal as a side-chain source, which is useful when the compressor has to act really
quickly. The feed-back configuration uses the compressor output as the side-chain source,
which lends itself to more subtle, but not as quick-reacting, compression.
Atk (Attack) Time for the compressor is adjustable from 0.0 to 228.0 ms. Rel (Release) Time
for the compressor is adjustable from 0 to 3000 ms.
4-14
gradually as the signal level approaches the threshold
abruptly when the signal reaches the threshold
compress them all separately