Lombard effect

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Science and technology

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What Wikipedia says

The Lombard effect or Lombard reflex is the involuntary tendency of speakers to increase their vocal effort when speaking in loud noise to enhance the audibility of their voice. This change includes not only loudness but also other acoustic features such as pitch, rate, and duration of syllables.

Excerpt from the Wikipedia article “Lombard effect”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Bengt Nyman from Vaxholm, Sweden, CC BY 2.0, via Wikimedia Commons.