ENSONIQ DP/2 Specifications download pdf (Page 112)

Section 2 — Algorithms

96 ENSONIQ DP/4+ Reference Manual

VAN DER POL FILTER

VandrPol Filter adds synthetic high harmonics to the input signal, brightening the overall sound.

This algorithm is most often used in the studio for vocalists, but feel free to experiment with this

algorithm using your favorite instrument as well. This algorithm features prominent transient

enhancement which makes it ideal for “plucked” sounds. The filter in this algorithm operates on

the signal prior to enhancement. Set the filter to enhance the frequency region that you desire.

Then mix the enhanced signal with the dry signal.

01 — Mix

02 — Volume

See the descriptions under the Mix and Volume Parameters, in the beginning of this section. For

this algorithm, we recommend mid values of the Mix.

03 — HighPass Fc Range: 4 to 8000 Hz

Controls the boost or cut of the high pass filter frequency applied to the input signal.

04 — LowPass Fc Range: 100 Hz to 16 KHz

Controls the boost or cut of the low pass filter frequency applied to the input signal.

05 — Filter Gain Range: -48 to +48 dB

Because the cascade of high pass with low pass causes an insertion loss, this parameter allows

you to boost the filtered output signal.

06 — Mod1 Source 10 — Mod2 Source

07 — Mod1 Destination 11 — Mod2 Destination

08 — Mod1 Param Range Min 12 — Mod2 Param Range Min

09 — Mod1 Param Range Max13 — Mod2 Param Range Max

See the descriptions under the Algorithm Modulators in the beginning of this section.

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ENSONIQ DP/2 Specifications Page 112