Codes and conventions of a radio trailer

• Includes extracts from the program
• There is a voice over inter cut throughout
• The trailer should intrigue the audience and make them want to find out more
• The scheduling information is included at the end in the order of: title, day & time, channel
• There is a music bed where appropriate
• It is 30-40 seconds long
• Sometimes includes a slogan
• Sound effects are used