Decoder (noun)

A device or software program that translates or interprets encoded information into its original form.

Origin:

Derived from the verb 'decode' meaning to translate or interpret coded information.

Examples:

1. The decoder was used to translate the encrypted message.
2. The decoder software was able to decode the video stream into individual frames.
3. The television set was equipped with a built-in decoder for digital signals.
4. The decoder was designed to decipher the code used by the enemy forces.
5. The decoder chip was replaced in order to improve the performance of the system.