An audio system is a system of electronic equipment for recording or reproducing sound. sound system. electronic equipment - equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor).
Audio is sound within the acoustic range available to humans.Audio files are usually compressed for storage or faster transmission. Audio files can be sent in short stand-alone segments - for example, as files in the Wave file format. In order for users to receive sound in real-time for a multimedia effect, listening to music.