amplitude

n. 广阔,充足,增幅
n. 振幅、波幅（物理）

The amplitude or loudness of a sound.

音量声音的响度或强度

A device that converts a property of an input signal, such as frequency or phase, into an amplitude variation, depending on how the signal differs from a standard or reference signal.

鉴别器，鉴频器一种将输入信号的某一特征，如频率或相位转变为幅度变化装置，其变化大小因信号与标准或参考信号的不同程度而异