Aug 23, 2012 ... Now, here's how and why helium affects your voice. ... Helium changes the
resonant frequencies of your vocal tract. ... This is because nitrogen and oxygen
molecules that make up the bulk of air are much heavier than helium ...
www.ask.com/youtube?q=Why Does Helium Make Your Voice Change?&v=v6z-ziQHa2E
Jan 6, 2011 ... When you breathe in helium, why does your voice sound squeaky and ... How
Chemicals Change Your Voice - Hard Science - Duration: 4:46.
Jun 14, 2004 ... Why does inhaling helium make one's voice sound strange? 1 ... Sound waves
are formed by the vibration of something (a drum-skin or your vocal ... Rather the
timbre, or quality, of the sound changes in helium: listen closely ...
Sounding like Donald Duck or the Chipmunks is enough to make anyone crack
up. ... No one will disagree that helium changes your voice, but not everyone
believes it is helium that causes ... What it does is change the timbre of your voice
Mar 1, 2010 ... Your voice doesn't actually change pitch with a lungful of helium: your vocal
chords still vibrate at the same frequency. Rather, what changes is ...
Oct 24, 2015 ... Helium is not the only gas to change the sound of your voice.
Nov 12, 2006 ... Answer to the science question: Why does helium make your voice ... your vocal
chords are making (by changing the shape of your mouth you ...
Mar 26, 2009 ... When you inhale helium, your voice sounds higher. ... to make a mess of
frequencies around middle C, and you change the shape of your ... rather,
because sound travels almost twice as fast through helium as it does through ...
Jun 13, 2006 ... But helium speeds up this process: When the gas fills your lungs, it creates ...
June 14, 2006: This piece originally stated that helium changes your voice by ...
This does have an effect, but it's not as important as the shift in the ...
The human voice box (see: Larynx) is a resonant cavity of sorts, which amplifies
sounds .... What the higher speed of sound in helium does is make your vocal
cords more responsive to higher frequencies of sound, which creates the higher