The sound of a Federation Starship going to and dropping out of Warp.

slowing down & yes you’ve guessed it, speeding up

Flashkit, has loads of free sound effects for you.

@ucme Boy that’s helpfull.

@ragingloli Hmm, I don’t remember star trek looking that cook XD That sound is close but a bit too electronic sounding, just need that sort of thrummm sound i guess it would be

@poisonedantidote I’ll take a look.

I’m not a boy & no it wasn’t, stop lying.

Here’s a clip of what’s called Risset Rhythm (click the play button), a clever effect which sounds like drums endlessly speeding up. It can be done in reverse, slowing down, but I don’t have a link for that.

@gasman hmm not quite it.

I’m looking for that bass-y sound

you can hear it a bit here.

http://www.youtube.com/watch?feature=player_detailpage&v=qDMXkPfxjOc#t=85s

that sort of sound ( the first time it occurs, but a longer/slower version of the other ones would work.)