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EVOC 20 PS lowpass filter in Logic Pro for iPad
The EVOC 20 PS Synthesizer section includes a lowpass filter that is used for coarse signal shaping before the signal is more precisely shaped by the individual bands of the formant filter banks.
Synthesizer Filter parameters
Cutoff knob and field: Set the cutoff frequency of the lowpass filter. Turn to the left to remove high-frequency content from the synthesizer signal.
Resonance knob and field: Boost or cut the signal portion that surrounds the frequency defined by the cutoff knob.
Tip: Set cutoff as high as possible, then adjust resonance to achieve a brighter high-end signal. This is useful for achieving better speech intelligibility.
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