Why does my voice sound weird when it’s recorded?

How does our body make our voice? How do voice boxes work? What makes our voices so different? Why are boys' voices often lower than girls' voices? Why does your voice sound different when you are sick? Why does your voice sound weird when you listen to a recording of yourself? Answers to questions about voices with Dr. Anne Hseu, an otolaryngologist (ear, nose and throat doctor) at Boston Children’s Hospital. 

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