I recorded my voice in Audacity and did some quick noise removal to clean it up.

When I recorded it, it gave it to me as a stereo track.

I stripped it down to a mono track, and exported it as a .wav.

How To Make Your Own Portal-Style Sound Clips

Next, go to File > Export.

You’ll see the Export dialog come up.

Editing in Melodyne

In the Melodyne Studio demo, open up your .wav file.

01-split to mono

You’ll see the Transport Bar pop up.

This’ll come in handy to play and stop the audio.

Next, take a look at the upper right portion of the screen.

02-2 mono tracks

Those are the controls we’ll be using.

you’re free to see that right now, the selection tool is highlighted.

The first thing we’re going to do is put everything in the same musical key.

03-file export

Hit CTRL+A to select all, then punch the Edit Pitch control.

Next, we’ll remove pitch modulation.

This smoothes out the sound of your voice, so it sounds more consistent and robotic.

04-export dialog

Once again, hit CTRL+A to select all.

Double hit any of the sound bubbles to remove modulation.

Choose the Edit Format control.

06-melodyne overview

Once again, the view will change, and you’ll want to hit CTRL+A to select all.

Here’s what you’ll see:

You see those bars over each sound bubble?

punch any one of them and drag up, probably about 3 steps.

07-show transport bar

Here’s what it looks like after the change.

Then, you might edit the pitch of that segment separately from the others.

Sarcasm Quotes

GlaDOS will often employ sarcasm when speaking certain words in Portal.

08-transport bar

In my example, I have two syllables I need to change at the very end.

Once again, grab the Edit Pitch control, and slide everything down.

Then open up Audacity.

09-controls

Here’s a shot of it in action.

you’re able to edit the file in Audacity easily.

Go to File > Export, and you’re free to choose to do it as an mp3.

12-edit pitch control

As a bonus for you readers, you get to hear my horrible voice all modulated and reformed.

you’ve got the option to grab the mp3 below.

10-select edit pitch

11-edited pitch

13-edit pitch modulation

14-no pitch modulation

15-edit formant control

16-formant before

17-formant after

19-segment separation control

18-edit sliders

20-edit pitch again

21-edit pitch again-whole screen

22-edit formant again-whole screen

23-trigger and freewheel it

24-export as mp3