overmodulation

[ oh-ver-moj-uh-ley-shuh n ]
/ ˈoʊ vərˌmɒdʒ əˈleɪ ʃən /

noun Radio.

excessive amplitude modulation, resulting in distortion of a signal.

Origin of overmodulation

First recorded in 1925–30; over- + modulation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019