This growling synth riff is the spawn of a devilishly overdriven Korg MS-20. You should choose your favourite synth and stack three saw waves at octave intervals. Mix it so that the middle octave is a bit lower in level than the others.
Set all the dials of the amp ADSR to maximum and set the filter ADSR as follows: A=25%, D=75%, S=30% and R=50%. Now set the LPF cutoff and res to around half way, this will vary a bit depending on the synth being used.
Listen: Daft Punk - Da Funk
We’re using NI’s Massive. The riff’s vocal-like quality is the result of crafty sequencing and filter envelope retriggering. You will need to set your synth to mono re-triggering so that it doesn’t re-trigger the filter envelope when the notes overlap. This is used during the shorter notes of the sequence. The longer notes need to be drawn in shorter than the length we hear them. The amp release will make them sustain longer, and the filter release will make the ‘wow’ sound as it trails.