high fidelity
without any distortion (i.e. can’t tell if something is recorded)
noise
opposite of fidelity; interferes with fidelity, causes distortion of the message (i.e. static on the radio)
internal noise
internal thoughts that interfere with the message getting through (ex/ really hungry so thinking about food instead of class)
external noise
external world that interferes with the message getting through (ex/ extreme weather, thinking about how cold it is)