<effect name="Telephone">
    <biquad type="lowshelf" fc="400" q="10" gain="-20" />
    <biquad type="highshelf" fc="8000" q="10" gain="-20" />
    <delayline>
        <delay samples="100" gain="0.5" />
    </delayline>
    <amplifier gain="1.4" />
</effect>
