Researching conventions of a movie trailer

Film trailers:

• It gives a small taster to upcoming films
• It markets and promotes the film
• They could be big budget or small budget productions
• 'Teaser trailers' give a very small tease to what the film is about, they're shown before the actuall trailer.
• Trailers are longer than teasers and show futher details about the film i.e. release date.
• There can be many trailers based on one movie.

Conventions:

• Trailers are meant to show hints of the film and not give too much away of the plot. The shots shown might not be displayed within the film, but maybe in the extented version.
• Some trailers are critizised for giving too much of the plot away therefore spoiling the film for the viewer.
• The title of the film is shown at the end of the trailer, plus release date.
• Sometimes names of actors staring in the film are displayed earlier on in the trailer. This'll let the audience know who is a part of the film and it may tempt viewers to see it.
• Sometimes the directors name or producers of the film are displayed from the beginning of the trailer. This may be introduced with the phrases "From the makers of..., The director of..."
• Often a powerful voice-over highlight's the importaint infomation of the film and draws the viewers to watch the trailer.
• Often text appears during the trailer which display importaint infomation such as: Film title, tag line, release date, director, actors, ways in which the film's displayed e.g. IMAX, 3D.
• Music is often played in the background of trailers which fit with the genre, plot and style of the film. It also provides excitement and brings all the elements of the trailer together.