Help with sound

Hi, can you help me pin down how to create the effect on the following track:br
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[url]Side Effects - Night Creatures - YouTube
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It can be heard clearly at 6.07mins just before the drums kick in. Any advice would be gratefully appreciated.

is it the filtered delays or the white noise sweep you are interested in?

The filtered delays. It’s something you hear a lot on psytrance and used to great effect. If you can help I’d appreciate it, also be mindful of the fact I’m a novice and need simple, idiot-proof instructions:D