Codes and conventions of radio trailers.

• 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 affects are used.