WebAny gas you inhale will change your voice depending on how dense the gas is. Helium is less dense so it makes your voice higher. Hydrogen does the same and works even better than … WebJan 9, 2024 · When you inhale helium, your vocal cords vibrate at a high frequency. This causes the desired voice effect, but your vocals can get damaged from the higher frequency. Deep and frequent inhalation of this inert gas can trigger the formation of helium bubbles in the blood. Once they reach the brain, they can cause strokes and even death.

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WebThe speed of sound in helium is almost three times faster than in air and this changes the resonant frequency of your throat so that high frequencies sound louder than low ones. If you inhale a gas that is denser than air, such as sulphur hexafluoride, the sound travels at just 39 per cent of its speed in air and your voice sounds deeper. helmut habermayer

Why Helium Changes Your Voice? - Science Simply Explained

WebSep 5, 2012 · The pitch of your voice (or how high or low your voice sounds) is determined by the speed at which air passes over your vocal cords. The faster the air travels over … WebAnswer 1: Helium makes your voice high because its lighter than air. If you breathed a gas that was heavier than air, then spoke, your voice would sound lower than normal. (Unless … WebDec 29, 2024 · Make your voice high pitched with helium. Grab a helium balloon and untie it, making sure to hold onto the end so it doesn't float away. When you make the call, breathe in the helium and speak as you normally would. This will change your voice for 5-10 seconds at a time, so you'll need to keep breathing in the helium throughout the call. helmuth a. häusler