<effect name="Cut Computer Hum (with AGC)">
    <biquad type="notch" fc="28" q="20" gain="-50" />
    <biquad type="notch" fc="91" q="20" gain="-50" />
    <biquad type="notch" fc="120" q="20" gain="-50" />
    <biquad type="lowpass" fc="10000" q="1" gain="-10" />
    <agc ceiling="0.666" limit="1" attack="0.1" decay="0.01" />
</effect>
