Codes and Conventions of a Radio Trailer

The average length is 30 seconds 

It gives the scheduling information at the end of the trailer. The sequence is: title - date and time -    channel 

For the voiceover, the narrator outlines the narrative, whereby they may pose questions that will be answered in the programme 

Direct address is used as it uses personal pronouns like 'you' to intrigue the audience 

Extracts from the programme are used 

Sound effects were appropriate 

Music bed were appropriate 

Contains the slogan