Simple sound - I think

[Tetsuo30]

Hello all,

beginner in sound design ... could someone help me to create this sound
https://www.youtube.com/watch?v=Z87DcjaY6tQ

at 20" the "bass-laser" sound .... it's a recurent sound ... but i'd like to learn how to create it ...

thanks

[CHOOS]

https://www.youtube.com/watch?v=mS-bDWv ... e=youtu.be