See title & ... https://freesound.org/people/tictac9/sounds/530585/
VST plugin used include ...
Xfer's OTT
BabyAudio's Smooth-operator
Too fast ?, see ... https://freesound.org/people/Timbre/sounds/577086/
Too dark ?, see ... https://freesound.org/people/Timbre/sounds/577088/
June 22nd, 2021