transcription, транскрипция: [ noun ]
Date: 1921
: modulation of the amplitude of a radio carrier wave in accordance with the strength of the audio or other signal ; also : a broadcasting system using such modulation — compare frequency modulation
AMPLITUDE MODULATION
Meaning of AMPLITUDE MODULATION in English
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003