infected mushroom make their kick drums in sound forge by using FM and generating a 60 hz sine wave. then they use the pitch bend tool and draw an exponential slope. change the slope to give he kick drum different properties. then pitch bend it again along a different slope (again, experiment) and voila, you have a psy kick. sounds like a squelchy knocking sound.
other psy kicks vary. alot of the organic records collective seem to use similar sounding kicks. i eventually found out what it was by pure accident - its a kick drum on the vengeance essentials club sounds vol1 sample CD. the relevant kick sample is in the 'sub bass drums folder' but i forget the kick number. if you have heard pop stream - oom da then you will recognise that kick instantly.
failing that you can recreate psy kicks using your virus. single oscillator. sine wave. send it through LFO1 and select envelope mode. then select LFO shape as a SAW wave. now adjust the LFO rate whilst bending the pitch of oscillator 1 downwards. keep the filter open and have envelope mode on 127. adjust the release time to determine the length of the tail and the decay to adjust the click/thump part of the drum.
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