Spicing it up with Modulation: Tremolo, Vibrato, Phaser, Flanger, Chorus – what PotEG has to say about Modulation Effects
10.8.2 Vibrato & Tremolo (or was it the other way ’round?) poteg-10-08-02-tremolo-vibrato
10.8.3 Phaser, Flanger & Chorus poteg-10-08-03-phaser-flanger-chorus