These are mainly filters and effects. Here are some examples with my tracks:
Examples on
The Unbrainer
From 0 to 1:00 :
- The bass line + drums has a lowpass filter
- the "ducky" sound has a bandpass filter if I remember well
- the "lead" at 03:00 is the same bandpass filter (has a lot of resonance)
- the 5:10 strange sound is more or less a AM filter (Amplitude Modulation)
Example on
Enter my world
At the beginning, there is a big phaser effect on the voices
Example on
Demon race
The "chordes" are a low pass filter with resonance and distortion
Example on
Addicted
At 0:56 : a big notch filter on the bass
etc etc