Charisma is a crucial component of a politician’s appeal to voters. But there’s more than one way to inspire confidence, or even adoration, among the audience of a political speech.

Voice scientist Rosario Signorello has studied how the current presidential candidates change their pitch and volume during public appearances. This week he presented that research at the Spring 2016 meeting of the Acoustical Society of America in Salt Lake City, Utah.

Signorello talks with Here & Now‘s Robin Young about a few examples of how presidential candidates Hillary Clinton, Donald Trump and Bernie Sanders vary their voice and speech patterns depending on their audiences.

Guest

  • Rosario Signorello, postdoctoral researcher in the Department of Head and Neck Surgery and in the Voice Center for Medicine and the Arts at UCLA’s David Geffen School of Medicine. He tweets at @rosariorki.
Copyright 2016 NPR. To see more, visit NPR.

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