👉 Codec, in the context of computer science and audio engineering, refers to a software module or an audio format that is used for encoding and decoding audio data. It is typically designed to compress audio data into smaller, more compact files, which can then be transmitted over a network or stored on a media player. Codec libraries are available for various platforms such as Windows, Mac OS, Linux, iOS, Android, etc., providing the necessary tools and functionalities for encoding and decoding audio data.