How long does the helium effect on your voice last?

Answer by erin
Submitted on 11/28/2006
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Because sound is really just waves in the air (like 3-dimensional waves in the ocean), it can travel faster or slower depending upon the density of the medium (stuff) through which it travels. As we all know from helium balloons, which rise when you let them go, helium is much less dense than air. So, if you fill your lungs with helium, and then try to speak, your vocal chords will vibrate at the same rate, but the vibrations (sound waves) will travel away from your vocal chords much faster than in air, increasing the frequency of the waves (i.e. if the waves move faster, you will encounter more waves in the same time than if they were moving more slowly: you will encounter them more frequently). Since our ears perceive higher frequencies as higher pitches, speaking through helium raises the pitch of your voice, even though your vocal chords feel like they're making the same sounds they usually do.

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Question by monkey
Submitted on 2/23/2004
Related FAQ: N/A
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How long does the helium effect on your voice last?

Answer by sylvia easley
Submitted on 3/9/2004
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i don't know so leave me alone!!!!

Answer by Vel
Submitted on 6/18/2004
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The entire first verse of the song "Tomorrow". LOL. I've tried.

Answer by Chelsy
Submitted on 11/3/2004
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I wonder if it effects your farts? Probably not! I wish!

Answer by Robert
Submitted on 1/22/2005
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I have tried it also, but it lasted seven seconds for me. After that, then your voice is only moderately different.

Answer by im kool
Submitted on 2/11/2007
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it lasts fr about 30 sec. depending on how much you inhale. or if its mixed with oxygen

Answer by lil momma 07
Submitted on 5/23/2007
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long enough to say diamonds on ma wrist a couple on ma toes walk up in the club and seen so many pros!!!@@@(:(:(:

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