Have you ever wanted your own personal robot voice to tell you you've got mail, or to welcome you to your computer when you log in? 

Seek no more! For with a website, a free audio editing program, and a few simple steps you'll have your robot underlings talking to you in no time. You can modify the settings to get your own effects. The instructable shows you how to make on that sounds similar to "Otto" (auto) in Wall-E, but that is purely coincidental.
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Step 1: Start with a text to speech program

Picture of Start with a text to speech program
First, you need to convert text to voice. Sure, you could make your own recordings, but robots don't start with human sounds. They start with computer sounds. So, go to and change the voice to "Mike . . . . . . . US English."

Now type in the words you want your robot to say. For my first one typed "Hello Master Ryan. How may I assist you."

Now click on "SPEAK". If you like the results, click "Back" in your browser, and then select "DOWNLOAD" instead. Save the file with a unique name. I used "hellomasterryan.wav".

Note: You might have to tweak it to get it to sound the way you want. For example, I spelled my name as "rie an" to get it to sound the way I wanted. 

Step 2: Get Audacity, a free audio editing program

Picture of Get Audacity, a free audio editing program
We'll be doing the robot voice conversion with Audacity. Go to and download the correct version of Audacity for your computer. Install it before continuing to the next step.

how 2 download?

how 2 download?

how 2 download?

Connorses1 year ago
What he said. I found a bitcrusher and it is tight!
secretxax2 years ago
Not a perfect method, but thanks anyway!
You know, to make it even better, you could drop a bitcrusher on the voice as well to get the 'chirp' of a robot voice. There are some freeware VST plugins that do this, which you can use in Audacity.

If I knew how to do this in Windows, I'd outline it. For Mac, place the .vst file into the /library/audio/plug-ins/VST folder. It should show up in the effects menu of Audacity.
Johnekong3 years ago
This is great ! thanks, its something I 've been longing for.
cclime13 years ago
This is freakin awesome. THANKS YOU SO MUCH XDDDDD
Bosun Rick3 years ago
Could you use it to make 'Caller ID' ringtones for a cell phone?
geocrasher (author)  Bosun Rick3 years ago
Absolutely! Just check with your celphone manual or online help on how to convert it to an mp3 or whatever format you need. I usually just play them on the computer and record it on the phone with its microphone. It works surprisingly well!
GameNox3 years ago
This would be great for a prank virus!!!

Just put "Prepare for extermination in 5, 4, 3, 2 ,1 Extermination in progress!!!".
1spartan954 years ago
read6884 years ago
Awsome instructable! I love it!
geocrasher (author)  read6884 years ago
Thanks! I'm glad you enjoyed it :-)
MrThingys4 years ago
Google Speakonia for free "Stephen Hawking" style test2voice freeware
geocrasher (author)  MrThingys4 years ago
Thanks for that! I tried it out. It'll be great for my next instructable "How to make an imaginary friend that sounds like Stephen Hawking". Awesome!