Codes and Conventions of Radio Trailers

- The duration is usually between 15 to 60 seconds, with only the necessary information provided in a short amount of time
- Everything is appropriately chosen towards the target audience to make it more appealing to them - things such as previews of interviews are used to make them want to tune in and listen to the entire thing
- The same narrator from the documentary is used for the voice over to create consistency and anchor meaning
- Audio clips are used from within the documentary to show the relationship between the two and to show consistency
- Usually short and simple: Scheduling, Broadcaster and strap line so listeners are able to remember the essential details
- A music bed is used to make the advert memorable for listeners
- The voice over and music used is easy to understand, upbeat and clear so listeners are more likely to be persuaded into watching the program
- The language used is aimed to suit the topic or the target audience
- Generally utilise the key qualities of the product (documentary) to give listeners an incentive to tune in and watch it