Assuming you mean the opposite of deep; then just by tensioning the voice box, you'll be able to imitate the Chipmunks - well part way anyway. Any training of the voice box has to be practiced regularly to attain perfection. have fun.
what did the Aztecs make from swampy , shallow lake
The lake is shallow, making it easy to wade through.
"The guardiya at the pool nag said that yung kid na tay at the shallow the end."
Shallow is to deep as imaginary is to real.
vibration in the voice box
There are two software which allows you to make you voice sound computerized.AV Voice Changer SoftwareAudacity
Voice thinner
How can you make the robotic voice in the free Auto Tune?
Gorillas Make Monkey Noises But With A Lower Voice. Gorillas Make Monkey Noises But With A Lower Voice.
You have to edit it and use the voice changer thing on it to make your voice deep and stuff
Ummm... tell them not to flex that specific muscle...
It can slow it down and make your breathing more shallow.