Sulfur hexafluoride.
You're probably thinking of helium.
Argon is sort of the opposite to "Helium" because when you take in Helium it makes your voice go high and squeeky but once you take in Argon it makes your voice Low and manly! Hope this helped
The app called Voice Changer allows a person the ability to change the pitch of their voice. This app is available through the iTunes store.
You cuff your hand around your mouth then sing into your hand and throw it up then let it go your voice will go high
the thing that makes it go is the gas
what makes a good voice is to go to singing lessons for a while, and then you get better and better! just like i did and i sound great! everybody says that!!!!!!!
go into a high pitched voice
it makes it go.
nitrogen
Nitrous Oxide. There you go :)
The company that makes the best voice recorders are Best Buy and there are other online stores that make the product. You can visit the store or you can go online.