Sound design is the art and practice of creating, recording, and manipulating audio for any theatrical production. The role of the sound designer is to enhance the storytelling, emotions, and overall audience experience through carefully crafted soundscapes that immerse the audience into the world of the play. 

This article explains the process by which a sound designer creates those soundscapes by means of his own research and creativity, and with the guidance of the show director.  Also covered are the tools of the trade, as well as examples of sound design in famous productions, and a look at trends for the future.