科学美国人60秒 SSS 2014-01-02

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But to make such… well, inhuman³ sounds, the performer can torts various parts of the vocal⁴ tract⁵ and pushes aerial high velocity⁶ through the larynxs, creating concerns that beatboxing might lead to long-term vocal damage.

 

So researchers took a close look at what happens inside the throat as the beat goes on. They snaked thin video cameras through the noses of four male beat boxers⁷ to watch the voice boxes during performance. The study found that beatboxing is actually probably safer than normal singing or the screams of a rock star, because the glottis between the vocal cords stays open more and the force doesn’t get concentrated in any one spot. The work appears in the journal of Voice. 

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