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Chapter 14 Ultrabeat 356
Adjust Ultrabeat’s two-band EQ
Both equalizer bands have almost identical features. You can adjust each band separately.
EQ type buttons
EQ curve display
Q field
Frequency field
Gain knob
Band 2 button
Band 1 button
Two-band EQ parameters
•
Band 1 and Band 2 buttons: Click to turn each band on or o. When active, the label is red. If
neither EQ is activated, the signal passes through unaected. Band 1 is a low shelving EQ.
Band 2 is a high shelving EQ.
•
EQ type buttons: Switch between two dierent types of EQs: shelving (top button) and peak
(lower button).
•
In shelving mode, all frequencies above or below the set frequency are either increased
or reduced.
•
In peak mode, only frequencies located near the set frequency are aected.
Note: Shelving EQs behave much like synthesizer lowpass and highpass lters. The key
dierence is that lowpass and highpass lters merely dampen certain frequencies (lter them
out), whereas shelving EQs also allow these frequencies to be boosted.
•
Gain knobs: Positive values boost a certain frequency range as determined by the EQ type and
Hz settings. Negative gain values reduce the gain of the frequency range. If the Gain knob is
set to a value of 0, the EQ has no eect. Option-click a Gain knob (or click the 0 above the Gain
knob) to set it to a neutral position.
•
Frequency (Hz) eld: Drag vertically to set the frequency range to be boosted or reduced.
Option-click the parameter to set the value to a neutral position: this is 200 Hz for band 1, and
2000 Hz for band 2.
•
Q eld: Drag vertically to set the Q (quality) factor. The eect of Q on the sound depends on
the selected EQ type:
•
Shelving lters selected: as the Q value increases, the area around the threshold frequency
becomes more pronounced.
•
Peak EQ selected: Q determines the width of the frequency band selection, low Q values
select a broad band, and high Q values select a very narrow band to be boosted or reduced
with the Gain knobs.
Each EQ band displays parameter changes on a frequency response curve. The display provides
access to the Gain, Hz, and Q parameters of each band.