Research into Radio Trailers

Radio trailers enable a producer to advertise their film via the radio, allowing the film to reach a wider demographic. Radio trailers usually last around 25-30 seconds as to keep the audience intregued. A radio trailer generally contains;

• Voice over.
• Sound/speech from the film.
• Slogan to the film.
• Information at the end of the end of the film-release date, certificate, where to view. 

Voice Over 

Radio trailers depend on voice overs as they give the necessary information about the film, and without them, the trailer would be pointless and make no sense. They usually give information such as when the film will be released and where. It's generally the voice of a low-pitched male, this gives the film more dramatic tension.

Music 

Music and sound effects from the featuring film are used to entice the targeted audience. It also engages the audience and urges them to listen to the voice over. The music used on a radio trailer gives an insight of what genre the film is going to be. 

Lines from the Film

Lines lifted from the film feature in the radio trailer to give a basis of the storyline, it also encourages the audience to go out and see the film.