apparent increase in loudness (Leon van Noorden )


Subject: apparent increase in loudness
From:    Leon van Noorden  <leonvannoorden(at)CHELLO.BE>
Date:    Thu, 29 Jan 2004 20:35:34 +0100

auditorylist, during a recent transatlantic flight I observed the phenomenon that the sound of a crying baby appeared louder when I tried to mask it by putting on a headphone with loud instrumental music. It ran against my expectation that a partially masked sound would appear less loud. Is this a known phenomenon? Leon van Noorden


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Electrical Engineering Dept., Columbia University