Codes and Conventions of a Radio Trailer

•They are usually an average length of 30 to 40 seconds long, this is to give out all the information without boring them.

•The title, date, time and channel it is being shown on should be said during the trailer.

•Both males and females are more likely respond to a trailer that uses a male voice-over.

A radio trailer should contain this following elements:

•A voice over

•Background music that goes with the theme of the documentary

•A clip of audio taking from the show it is advertising

•A slogan that is catchy and something that will get stuck in the audiences heads