How do you think he did this?

[jokerone]

Scientist is an artist who makes a lot of cool reggae dubs.

I'm wondering what do you think he used at about 1:28 in this song to change the pitch/verb of the bassline?

thanks.

16 Dematerialize - Scientist - Greensleeves Sampler 1 - YouTube

 

[TheChikenMaster]

sweeping the low-pass

 

[jokerone]

sweeping the low-pass

cool. thanks.