振しん幅ぷく変へん調ちょうMeaningsNoun1. amplitude modulation; AMKanji used振to wave幅width変change調tonePitch accentしんぷくへんちょうComposed of振しん幅ぷくamplitude (of vibration)Noun変へん調ちょうirregularity; abnormality; anomaly; change of tone; transposition; modulationNoun