If you have iTunes you can get apps that can techno your voice......e.g the glee app and many more..
Hope this helped.
If it doesn't try a techno mic
Talk, sing, make noises!
try this website google.com/talk
Yeah.
Doc Talk - 2006 'Haack King of Techno' with Philip Anagnos was released on: USA: 10 April 2006
There are a number of ways you could make your voice sound electronic. You could stand in front of a fan and talk for example.
Bam Margera does talk out of the side of his mouth with that weird voice because he believes by doing that he will make his audience laugh.
try to keep changing the tone of your voice
You should talk to a doctor, not a website.
The same way you make anything stronger. Use your voice a lot, as powerfully as you can. Practice singing very very loudly without screaming, and talk loudly.
To talk smite is to talk in an angry voice.
make your voice really low and try to croak like a frog everytime you want to talk hold in your brath or suck in.
you breath in the helium (you need to breath it in with out letting it out) and then talk.