decoder

名词 decoder:

1. the kind of intellectual who converts messages from a code to plain text
   同义词：decipherer
2. a machine that converts a coded text into ordinary language

de.cod.er

n.（名词）
One that decodes.
解码者
A device that decodes a scrambled electronic signal to make it interpretable.
译码器：解除改变过频率的电子讯号，使其变得可解释的仪器