Dry and wet sounds or signals are the basics types of sound, and they are familiar terminology that is used in a sound or audio industry.
A dry sound or signal refers to a signal or sound that has no effects or any modification. A dry sound can be simply put as an unprocessed sound. Dry sound is usually used as foundation sounds for wet sound effects.
Products of dry sound include conversions, instrumental recordings, and voice recording.
Wet sound or signal is the opposite of dry sound; these types of sound go through a process and modifications.
In a wet sound, the effect is usually added during recording, which is used for technical or aesthetic purposes. Products of wet sounds include television programs, radio programs, and live performances.