Originally Posted by oly
make an osc
make it descend at a steady rate
make it fade in/out smoothly
duplicate it, offset the start time
do that last thing again, offset by same amount of time
do it again
etcetera etcetera until it's a nice thick tone
Also, you could use a single oscillator and setup audio tracks to bus the audio and adjust the track offset +/-.
Even more clever, just create one audio track, setup your delay offset and then duplicate this track and bus to the track just duplicated and so on and so forth.