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Because Helium is lighter than air so when you breath it it makes your vocal chords move faster giving you an increased voice pitch

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Inhaling helium changes the resonance frequency of the vocal tract, making sound waves travel faster. This increased speed causes the voice pitch to rise, making the voice sound higher.

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11mo ago
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Q: Why does inhaling helium increase voice pitch?
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Can helium change your voice forever?

No, inhaling helium may temporarily change the pitch of your voice due to the change in vocal cord vibrations caused by the lighter gas, but it does not have a lasting effect on your voice. The effect wears off as the helium is exhaled and your normal voice will return.


Does helium make your voice high?

Yes, inhaling helium temporarily changes the frequency of your voice by altering its acoustic properties, resulting in a higher pitch. This happens because helium is less dense than air, causing sound waves to travel faster through it and altering the resonance frequencies in your vocal cords.


What happens when you inhale helium?

When you inhale helium, your voice may sound higher-pitched because helium is less dense than the air in your lungs, causing the speed of sound to increase. However, inhaling too much helium can be dangerous as it can displace oxygen in your lungs, leading to difficulty breathing and potentially harmful side effects. It is not recommended to inhale helium for fun or as a prank.


Why does your voice change when you inhale helium?

When you inhale helium, your voice changes because helium is lighter than air and travels faster through your vocal cords, causing them to vibrate at a higher frequency. This results in a higher-pitched voice.


What is the best way to properly breathe in argon to make your voice deeper?

Inhaling argon can be dangerous and potentially fatal as it displaces oxygen in the lungs. It is not safe to intentionally breathe in argon to alter your voice. If you are interested in changing the pitch of your voice, consider working with a vocal coach who can provide safe and effective techniques.