There is an interesting effect in Audacity called “Wahwah”. It over exaggerates the vibrations of the sound and, at least in my mind, makes a sound reminiscent of a flying space ship or aliense beaming down to earth. First, you must import your audio.
Next, highlight the audio to which you would like to apply the effect. In this case, I applied the effect to the entire audio.
Under the “Effects” tab, choose “Wahwah”.
The control window manages the settings for the effect. The main component is the LFO Frequency. The Depth percentage and Resonance effect the pitch of the vibrations