Radio drama relies heavily on sound effects to create a sense of atmosphere and to convey the action of the story. Characters' footsteps, creaking doors, the sound of a car driving away, and the rustle of leaves in the wind are just a few of the many sound effects that can be used to create a vivid sound picture for the listener.
Music
Music also plays an important role in radio drama, setting the mood and creating a sense of atmosphere. Music can also be used to punctuate the action and to denote transitions between scenes.
Voice Acting
The voices of the actors are the most important element in radio drama, and great voice actors are able to convey a wide range of emotions and characters. Voice actors must have excellent diction and timing, and they must be able to project their voices so that they can be heard clearly over the sound effects and music.
Sound design
Sound design is the art of combining sound effects, music, and voices to create a cohesive sound picture for a radio drama. A good sound designer will work closely with the director, actors, and sound effects editor to create a sound design that enhances the story and creates a memorable experience for the listener.